NATCO Pharma Limited

India

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IPC Class
C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond 23
A61P 35/00 - Antineoplastic agents 16
C07D 487/04 - Ortho-condensed systems 15
A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings 11
A61K 9/20 - Pills, lozenges or tablets 11
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Found results for  patents
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1.

A PROCESS FOR THE PREPARATION OF BELZUTIFAN AND ITS NOVEL INTERMEDIATES THEREOF

      
Application Number IN2024051950
Publication Number 2025/074394
Status In Force
Filing Date 2024-10-04
Publication Date 2025-04-10
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konduri, Srinivasa Krishna Murthy
  • Sanapureddy, Jagan Mohan Reddy
  • Remella, Ravi Kumar
  • Ganganamoni, Srinivasulu
  • Yatam, Annpurna Phani
  • Moode, Madhu Naik
  • Pothabathula, Govinda Raju
  • Kokku, Santhosh Kumar
  • Amasa, Vinod Kumar
  • Sirigireddy, Balakrishna Reddy
  • Rampalli, Sriram
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of 3-[[(1S,2S,3R)- 2,3-Difluoro-2,3-dihydro-1-hydroxy-7-(methylsulfonyl)-1H-inden-4-yl]oxy]-5- fluorobenzonitrile compound of formula-1 which is represented by the following structural formula:

IPC Classes  ?

  • C07C 317/22 - SulfonesSulfoxides having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
  • C07C 317/14 - SulfonesSulfoxides having sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings
  • C07C 315/04 - Preparation of sulfonesPreparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
  • A61K 31/277 - NitrilesIsonitriles having a ring, e.g. verapamil

2.

A LIQUID INSECTICIDAL COMPOSITION

      
Application Number IN2024051404
Publication Number 2025/037329
Status In Force
Filing Date 2024-07-29
Publication Date 2025-02-20
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Kurra, Venkateswara Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present disclosure provides a liquid composition of Cyantraniliprole. An aspect of the present disclosure provides a liquid insecticidal composition comprising: (a) Cyantraniliprole in an amount of 0.5-50 wt.% by weight of the composition; (b) at least one other biologically active agent in an amount of 0 -20 wt.% by weight of the composition; (c) bentonite clay in an amount of 0.1-10 10 wt.% by weight of the composition; (d) an anionic surfactant having carboxylate functional groups in an amount of 1-20 wt.% by weight of the composition; (e) a non-ionic surfactant in an amount of 1-50 wt.% by weight of the composition; and (f) a water immiscible liquid carrier in an amount of 20-95 wt.% by weight of the composition. Aspects of the present disclosure also relates to a process for 15 preparation of the liquid insecticidal composition, and a process for controlling arthropod pests.

IPC Classes  ?

  • A01N 37/22 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N, e.g. carboxylic acid amides or imidesThio-analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
  • A01N 37/34 - Nitriles
  • A01N 25/04 - Dispersions or gels

3.

AN IMPROVED PROCESS FOR THE PREPARATION OF CRYSTALLINE FORM-A OF CYANTRANILIPROLE

      
Application Number 18712871
Status Pending
Filing Date 2022-11-22
First Publication Date 2025-01-23
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Jampani, Amarnath
  • Arudra, Veeraiah
  • Samatham, Radha Rani
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Crystalline Form-A of Cyantraniliprole of Formula-I. The present invention relates to an improved process for the preparation of Crystalline Form-A of Cyantraniliprole of Formula-I.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

4.

AN IMPROVED PROCESS FOR THE PREPARATION OF NIRAPARIB TOSYLATE MONOHYDRATE

      
Application Number IN2024051285
Publication Number 2025/017711
Status In Force
Filing Date 2024-07-17
Publication Date 2025-01-23
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konduri, Srinivasa Krishna Murthy
  • Hanumara, Satya Srinivas
  • Kothamunireddygari, Sunitha
  • Satti, Venkata Reddy
  • Vanga, Prabhakar
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Rampalli, Sriram
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Niraparib Tosylate monohydrate of Formula (I).

IPC Classes  ?

  • C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 211/18 - Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
  • A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone

5.

NOVEL POLYMORPHIC FORMS OF ASCIMINIB AND ITS PHARMACEUTICAL SALTS THEREOF

      
Application Number IN2024050651
Publication Number 2024/257116
Status In Force
Filing Date 2024-05-31
Publication Date 2024-12-19
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Talasani, Shyam Sunder Reddy
  • Cirusanagandla, Venkateshwar Rao
  • Yajjuvarapu, Rushyarao
  • Kotte, Rajashekar
  • Kasuganti, Jayakrishna
  • Abayee Kaliyaperumal, Srinivasan
  • Rampalli, Sriram
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Asciminib comprising novel process intermediates. The invention also described the novel polymorphic forms of Asciminib and its pharmaceutical salts.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
  • A61K 31/4439 - Non-condensed pyridinesHydrogenated derivatives thereof containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. omeprazole

6.

FUNGICIDAL COMPOSITIONS COMPRISING TRIFLOXYSTROBIN AND TEBUCONAZOLE

      
Application Number IN2024050498
Publication Number 2024/246931
Status In Force
Filing Date 2024-05-08
Publication Date 2024-12-05
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Kurra, Venkateswara Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present disclosure provides a fungicidal composition comprising trifloxystrobin and tebuconazole. An aspect of the present disclosure provides a fungicidal composition, said composition comprising: (a) trifloxystrobin in an amount ranging from 1 to 50 wt. % by weight of the composition; (b) tebuconazole in an amount ranging from 20 to 90 wt. % by weight of the composition; (c) a modified styrene acrylic polymer in an amount ranging from 0.1 to 25 wt. % by weight of the composition; and (d) an adjuvant. Further aspects of the present disclosure provides a process for preparation of a water dispersible granule (WG) formulation comprising trifloxystrobin and tebuconazole, and a method for treatment of plants.

IPC Classes  ?

  • A01N 37/50 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio-analogue, or a derivative thereof, and a nitrogen atom attached to the same carbon skeleton by a single or double bond, this nitrogen atom not being a member of a derivative or of a thio-analogue of a carboxylic group, e.g. amino-carboxylic acids the nitrogen atom being doubly bound to the carbon skeleton
  • A01N 43/653 - 1,2,4-TriazolesHydrogenated 1,2,4-triazoles
  • A01N 25/12 - Powders or granules

7.

AN IMPROVED PROCESS FOR THE PREPARATION OF RUXOLITINIB PHOSPHATE

      
Application Number 18692678
Status Pending
Filing Date 2022-09-16
First Publication Date 2024-11-14
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Hanumara, Satya Srinivas
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna
  • Kothamunireddy Gari, Sunitha
  • Solipuram, Raji Reddy
  • Kasuganti, Jayakrishna
  • Annadasu, Ankama Nayudu
  • Bandla, Venkateswarlu
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Ruxolitinib phosphate (1) using novel intermediate compound of Formula (14). The present invention also relates to a process for the preparation of intermediate compound of Formula (14).

IPC Classes  ?

8.

PROCESS FOR THE PREPARATION OF 7-CHLORO-6-FLUORO-(1M)-1-[4-METHYL-2-(PROPAN-2-YL)PYRIDIN-3-YL]PYRIDO[2,3-D] PYRIMIDINE-2,4(1H,3H)-DIONE (M-DIONE)

      
Application Number IN2024050448
Publication Number 2024/224426
Status In Force
Filing Date 2024-04-27
Publication Date 2024-10-31
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Putapatri, Siddamal Reddy
  • Andru, Veman Reddy
  • Karicheti, Maruthinath
  • Suthrapu, Sashikanth
  • Dandala, Ramesh
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of 7-chloro-6- fluoro-(1M)-1-[4-methyl-2-(propan-2-yl)pyridin-3-yl]pyrido[2,3-d]pyrimidine-2,4 (1H,3H)-dione (M-Dione), a key intermediate of Sotorasib which is represented by the following structural formula: Formula-2.

IPC Classes  ?

  • C07D 239/54 - Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
  • C07D 471/04 - Ortho-condensed systems
  • C07D 487/04 - Ortho-condensed systems

9.

NOVEL CRYSTALLINE POLYMORPH OF LURBINECTEDIN AND IMPROVED PROCESS FOR THE PREPARATION OF LURBINECTEDIN

      
Application Number 18686936
Status Pending
Filing Date 2022-08-30
First Publication Date 2024-10-24
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Chintalapati, Srinivasa Chary
  • Kotte, Thirupathi
  • Abayee Kaliyaperumal, Srinivasan
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to novel crystalline polymorph. Form-N of Lurbinectedin and process for preparation of Lurbinectedin.

IPC Classes  ?

  • C07D 515/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings

10.

PHARMACEUTICAL COMPOSITIONS COMPRISING ACALABRUTINIB

      
Application Number 18261213
Status Pending
Filing Date 2022-01-10
First Publication Date 2024-09-26
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Vattikuti, Satyanarayana
  • Yalamanchalli, Naveen Krishna
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a Bruton tyrosine kinase (BTK) inhibitor. More particularly, the present invention relates to a composition comprising Acalabrutinib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems

11.

A PROCESS FOR THE PREPARATION OF PURE CRYSTALLINE RIMEGEPANT AND ITS SALTS THEREOF

      
Application Number IN2024050173
Publication Number 2024/180562
Status In Force
Filing Date 2024-02-19
Publication Date 2024-09-06
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Tallapaneni, Venkateswarlu
  • Meka, Kalyana Chowdary
  • Achina, Srishailam
  • Duddu, Swapna
  • Seriguda, Malla Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of (5S,6S,9R)-5-amino-6-(2,3difluorophenyl)-6,7,8,9-tetrahydro-5H-cyclohepta[b] pyridin-9-yl-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)-1-piperidine carboxylate compound of formula-1 with desfluro impurity at less than 0.1% level and in its crystalline form which is represented by the following structural formula-1.

IPC Classes  ?

  • C07D 471/04 - Ortho-condensed systems
  • C07D 221/04 - Ortho- or peri-condensed ring systems
  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
  • A61P 25/06 - Antimigraine agents
  • A61K 31/435 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom

12.

AN IMPROVED PROCESS FOR THE PREPARATION OF TRABECTEDIN

      
Application Number 18686927
Status Pending
Filing Date 2022-08-30
First Publication Date 2024-09-05
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kothamunireddygari, Sunitha
  • Gattu, Anitha
  • Solipuram, Rajireddy
  • Chintalapati, Srinivasa Chary
  • Kotte, Thirupathi
  • Madalapu, Veerababu
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to novel process for preparation of Trabectedin which involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale.

IPC Classes  ?

  • C07D 515/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings

13.

EGFR INHIBITOR FOR THE TREATMENT OF HEAD AND NECK CANCER

      
Application Number 18568160
Status Pending
Filing Date 2022-06-09
First Publication Date 2024-08-29
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Yadla, Sheshu Babu
  • Myneni, Praveen Chowdary
  • Gogula, Venkata Ramana
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to the treatment of recurrent and/or metastatic squamous cell carcinoma of the head and neck (preferably recurrent squamous cell carcinoma of the head and neck) with a compound which is (3-ethynyl-phenyl)-[7-methoxy-6-(3-morpholin-4-yl-propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof. The invention also relates to the treatment of head and neck cancer with a compound which is (3-ethynyl-phenyl)-[7-methoxy-6-(3-morpholin-4-yl-propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof, wherein the treating the head and neck cancer comprises reducing the size of one or more tumours associated with the head and neck cancer.

IPC Classes  ?

  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
  • A61K 31/282 - Platinum compounds
  • A61K 31/337 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
  • A61K 33/243 - PlatinumCompounds thereof
  • A61P 35/04 - Antineoplastic agents specific for metastasis

14.

A STORAGE STABLE LIQUID HERBICIDAL COMPOSITION

      
Application Number IN2023051171
Publication Number 2024/142086
Status In Force
Filing Date 2023-12-12
Publication Date 2024-07-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Kurra, Venkateswara Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present disclosure generally relates to the technical field of herbicidal compositions. More particularly, the present disclosure provides a storage stable liquid composition of Pinoxaden. An aspect of the present disclosure provides a liquid herbicidal composition, said composition comprising: (a) Pinoxaden in an amount ranging from 0.5 to 50 % w/w; (b) a built-in adjuvant in an amount ranging from 10 to 40 wt. % w/w, said built-in adjuvant being an alkoxylated polyol ester; and (c) an alcohol in an amount ranging from 0.5 to 20 % w/w. Aspects of the present disclosure also relates to a process for preparation of the liquid herbicidal composition.

IPC Classes  ?

  • A01N 43/00 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
  • A01N 25/00 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of applicationSubstances for reducing the noxious effect of the active ingredients to organisms other than pests

15.

IMPROVED PROCESS FOR THE PREPARATION OF 7-(MORPHOLINYL)-2-(N-PIPERAZINYL)METHYLTHIENO[2, 3-C]PYRIDINE DERIVATIVES

      
Application Number 18556389
Status Pending
Filing Date 2022-04-15
First Publication Date 2024-06-20
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kompella, Amala
  • Vagicherla, Kameswara Rao
  • Lanki Reddy, Tirumala Reddy
  • Pesaru, Narmada
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention describes an improved second generation process for the synthesis of NRC-1111 (1,5-[2-[[4-(methylsulfonyl)-1-piperazinyl]methyl]-7-(4-morpholinyl)thieno[2,3-c] pyridine-5-yl]-2-pyrimidinamine) dimethane sulfonate and NRC-1109 (II, 5-[3-methyl-2-[(4-methylsulfonylpiperazin-1-yl)methyl]-7-morpholino-thieno[2,3-c]pyridin-5-yl]pyrimidin-2-amine) dimethane sulfonate. This process is cost effective, high yielding and industrially feasible process for the synthesis of compounds of formulae I and II with high purity. Formula (I) Formula (I): R═H for NRC-1111 and Formula (II): R═CH3 for NRC-1109 NRC-1111 and NRC-1109 are potential anti-cancer agents.

IPC Classes  ?

16.

EGFR INHIBITOR FOR THE TREATMENT OF HEAD AND NECK CANCER

      
Application Number IN2023051131
Publication Number 2024/121861
Status In Force
Filing Date 2023-12-05
Publication Date 2024-06-13
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Yadla, Sheshu Babu
  • Myneni, Praveen Chowdary
  • Gogula, Venkata Ramana
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to the treatment of recurrent and/or metastatic squamous cell carcinoma of the head and neck (preferably recurrent squamous cell carcinoma of the head and neck) with a compound which is (3-ethynyl-phenyl)-[7- methoxy-6-(3-morpholin-4-yl-propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof. The invention also relates to the treatment of head and neck cancer with a compound which is (3-ethynyl-phenyl)-[7-methoxy- 6-(3-morpholin-4-yl-propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof, wherein the treating the head and neck cancer comprises reducing the size of one or more tumours associated with the head and neck cancer.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • A61K 31/5375 - 1,4-Oxazines, e.g. morpholine
  • A61P 35/04 - Antineoplastic agents specific for metastasis

17.

AN IMPROVED PROCESS FOR THE PREPARATION OF INTERMEDIATES OF CHLORANTRANILIPROLE

      
Application Number IN2023051093
Publication Number 2024/116196
Status In Force
Filing Date 2023-11-24
Publication Date 2024-06-06
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Tripati, Awinesh
  • Jampani, Amarnath
  • Sanaka, Ganapathi
  • Arudra, Veeraiah
  • Samatham, Radha Rani
  • Madalapu, Veerababu
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

NN-dimethylbenzamide of Formula-I, which is an advanced intermediate of Chlorantraniliprole.

IPC Classes  ?

  • C07C 237/30 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having the nitrogen atom of the carboxamide group bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 231/02 - Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
  • C07C 205/57 - Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

18.

AN IMPROVED PROCESS FOR THE PREPARATION OF INTERMEDIATE OF CYANTRANILIPROLE

      
Application Number IN2023051094
Publication Number 2024/116197
Status In Force
Filing Date 2023-11-24
Publication Date 2024-06-06
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Tripati, Awinesh
  • Jampani, Amarnath
  • Arudra, Veeraiah
  • Samatham, Radha Rani
  • Madalapu, Veerababu
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

NN-dimethylbenzamide of Formula-I, which is an advanced intermediate of Cyantraniliprole.

IPC Classes  ?

  • C07C 229/56 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino and carboxyl groups bound in ortho- position
  • C07C 237/30 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having the nitrogen atom of the carboxamide group bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 253/14 - Preparation of carboxylic acid nitriles by reaction of cyanides with halogen-containing compounds with replacement of halogen atoms by cyano groups
  • C07C 255/58 - Carboxylic acid nitriles having cyano groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the carbon skeleton

19.

AN IMPROVED PROCESS FOR THE PREPARATION OF TUCATINIB AND ITS SALT & POLYMORPHS THEREOF

      
Application Number IN2023050071
Publication Number 2024/089702
Status In Force
Filing Date 2023-01-23
Publication Date 2024-05-02
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konduri, Srinivasa Krishna Murthy
  • Ganganamoni, Srinivasulu
  • Gutala, Phaneendra
  • Boddula, Srinivas
  • Kusumba, Subhash
  • Maddula, Laxmana Viswa Venkata Pavan Kumar
  • Annadasu, Ankamanayudu
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of (N4-(4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)-N6-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)quinazoline-4,6-diamine compound of formula-1 and its salt & polymorphs thereof which is represented by the following structural formula.

IPC Classes  ?

  • A61K 31/517 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
  • A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
  • C07D 471/04 - Ortho-condensed systems

20.

PHARMACEUTICAL COMPOSITIONS COMPRISING ACALABRUTINIB MALEATE

      
Application Number IN2023050921
Publication Number 2024/084496
Status In Force
Filing Date 2023-10-11
Publication Date 2024-04-25
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Vattikuti, Satyanarayana
  • Yalamanchalli, Naveen Krishna
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a Bruton tyrosine kinase (BTK) inhibitor. More particularly, the present invention relates to a composition comprising Acalabrutinib maleate and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
  • A61K 9/20 - Pills, lozenges or tablets
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • C07D 487/04 - Ortho-condensed systems

21.

CO-CRYSTAL OF UPADACITINIB AND DIACETYL-D-TARTARIC ACID AND PROCESS FOR THE PREPARATION THEREOF

      
Application Number IN2022051056
Publication Number 2024/075131
Status In Force
Filing Date 2022-12-06
Publication Date 2024-04-11
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Abayee Kaliyaperumal, Srinivasan
  • Vangala, Ranga Reddy
  • Talasani, Shyam Sundar Reddy
  • Krishnammagari, Suresh Kumar
  • Chintalapati, Srinivasachary
  • Cheedi, Srinivasa Rao
  • Kotte, Thirupathi
  • Gattu, Anitha
  • Movva, Naga Jyothi
  • Cirusanagandla, Venkateswar Rao
  • Yajjuvarapu, Rushya Rao
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

5 The present invention relates to a Co-crystal of Upadacitinib. More particularly, the present invention relates to a compound of Formula-I, which is a Co-crystal of Upadacitinib and Diacetyl-D-tartaric acid (DATA), characterized by powder X-ray diffraction pattern (PXRD) comprising the peaks at about 5.3, 7.4, 9.7, 10.6, 12.5, 14.3, 15.9, 16.6, 21.3 and 24.8° ± 0.2° 2θ" and process for the 10 preparation thereof. (S)(R)Diacetyl-D-tartaric acid (DATA) Formula-I

IPC Classes  ?

22.

IMPROVED PROCESS FOR THE PREPARATION OF RISDIPLAM AND ITS INTERMEDIATES

      
Application Number IN2023050885
Publication Number 2024/069646
Status In Force
Filing Date 2023-09-25
Publication Date 2024-04-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kandula, Sathaiah
  • Yadlapalli, Rama Krishna
  • Vipparla, Bulli Babi
  • Thumati, Sathish
  • Nagapuri, Sreenivas
  • Parakala, Srikanth
  • Suthrapu, Sashikanth
  • Dandala, Ramesh
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Risdiplam compound of Formula-I. The present invention also relates to novel intermediates of Risdiplam compound of Formula-I and process for the preparation of the same.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or
  • A61P 21/00 - Drugs for disorders of the muscular or neuromuscular system
  • A61K 9/00 - Medicinal preparations characterised by special physical form

23.

AN IMPROVED PROCESS FOR THE PREPARATION OF ERDAFITINIB AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS & POLYMORPHS THEREOF

      
Application Number IN2023050376
Publication Number 2024/057332
Status In Force
Filing Date 2023-04-18
Publication Date 2024-03-21
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Gongalla, Buchappa
  • Kothamasu, Ravi Babu
  • Kotra, Uma Naresh Babu
  • Sikha, Kotayya Babu
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of N- (3,5dimethoxyphenyl)-N'-(1-methylethyl)-N-[3-(1-methyl-1H-pyrazol-4-yl) quinoxalin-6-yl]ethane-1,2-diamine compound of formula-1 which is represented by the following structural formula: Formula-1.

IPC Classes  ?

  • A61K 31/498 - Pyrazines or piperazines ortho- or peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine
  • C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond

24.

AN IMPROVED PROCESS FOR THE PREPARATION OF SELUMETINIB SULFATE

      
Application Number IN2023050628
Publication Number 2024/003942
Status In Force
Filing Date 2023-06-28
Publication Date 2024-01-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Krishnammagari, Suresh Kumar
  • Chintalapati, Srinivasa Chary
  • Thoota, Sandeep Kumar
  • Bareddy, Vishnu Vardhan Reddy
  • Kadari, Ushaiah
  • Peddi, Rajasekhara Reddy
  • Abayee Kaliyaperumal, Srinivasan
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of 5 Selumetinib sulfate of Formula-(I).

IPC Classes  ?

  • A61K 31/4184 - 1,3-Diazoles condensed with carbocyclic rings, e.g. benzimidazoles
  • C07C 227/04 - Formation of amino groups in compounds containing carboxyl groups
  • C07D 235/06 - BenzimidazolesHydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2

25.

STABLE PHARMACEUTICAL COMPOSITIONS COMPRISING ERDAFITINIB

      
Document Number 03246820
Status Pending
Filing Date 2023-04-06
Open to Public Date 2023-10-12
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary
  • Mupparaju, Sundeep
  • Vattikuti, Satyanarayana
  • Bhavanasi, Krishna Murthy

Abstract

The present invention relates to stable pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to stable tablet compositions comprising Erdafitinib and one or more pharmaceutically acceptable excipients and processes for preparing such compositions.

IPC Classes  ?

  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 31/498 - Pyrazines or piperazines ortho- or peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine

26.

STABLE PHARMACEUTICAL COMPOSITIONS COMPRISING ERDAFITINIB

      
Application Number IN2023050335
Publication Number 2023/195022
Status In Force
Filing Date 2023-04-06
Publication Date 2023-10-12
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Vattikuti, Satyanarayana
  • Mupparaju, Sundeep
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to stable pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to stable tablet compositions comprising Erdafitinib and one or more pharmaceutically acceptable excipients and processes for preparing such compositions.

IPC Classes  ?

  • A61K 31/498 - Pyrazines or piperazines ortho- or peri-condensed with carbocyclic ring systems, e.g. quinoxaline, phenazine
  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/20 - Pills, lozenges or tablets
  • A61P 35/00 - Antineoplastic agents

27.

PHARMACEUTICAL COMPOSITIONS COMPRISING RIBOCICLIB

      
Application Number 18019209
Status Pending
Filing Date 2021-07-31
First Publication Date 2023-10-05
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Tripuraneni, Rama Swamy Chowdary
  • Sagi, Chaitanya Kumar
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to immediate release pharmaceutical compositions comprising Ribociclib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 9/28 - DrageesCoated pills or tablets
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings

28.

AN IMPROVED PROCESS FOR THE PREPARATION OF ERIBULIN INTERMEDIATES

      
Application Number IN2023050108
Publication Number 2023/157015
Status In Force
Filing Date 2023-02-03
Publication Date 2023-08-24
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Gutala, Phaneendra
  • Kasa, Srinivasu
  • Brahmadevi, Nagamani
  • Sirigireddy, Balakrishna Reddy
  • Dandala, Ramesh
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to process for the preparation of intermediates of Eribulin and process for the preparation of the same. The process of the present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale.

IPC Classes  ?

  • A61K 31/357 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
  • C07D 493/22 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains four or more hetero rings
  • C07D 307/28 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

29.

AN IMPROVED PROCESS FOR THE PREPARATION OF CRYSTALLINE FORM-A OF CYANTRANILIPROLE

      
Application Number IN2022051018
Publication Number 2023/095161
Status In Force
Filing Date 2022-11-22
Publication Date 2023-06-01
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Jampani, Amarnath
  • Arudra, Veeraiah
  • Samatham, Radha Rani
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Crystalline Form-A of Cyantraniliprole of Formula-I.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

30.

AN IMPROVED PROCESS FOR THE PREPARATION OF ANHYDROUS CRYSTALLINE FORM-I OF BOSCALID

      
Application Number IN2022050910
Publication Number 2023/062649
Status In Force
Filing Date 2022-10-11
Publication Date 2023-04-20
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bollepalli, Nageswara Rao
  • Sanaka, Ganapathi
  • Jampani, Amarnath
  • Arudra, Veeraiah
  • Samatham, Radha Rani
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of anhydrous crystalline Form-I of Boscalid.

IPC Classes  ?

31.

AN IMPROVED PROCESS FOR THE PREPARATION OF RUXOLITINIB PHOSPHATE

      
Application Number IN2022050830
Publication Number 2023/042224
Status In Force
Filing Date 2022-09-16
Publication Date 2023-03-23
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Hanumara, Satya Srinivas
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Kothamunireddy Gari, Sunitha
  • Solipuram, Raji Reddy
  • Kasuganti, Jayakrishna
  • Annadasu, Ankama Nayudu
  • Bandla, Venkateswarlu
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Ruxolitinib phosphate (1) using novel intermediate compound of Formula (14). The present invention also relates to a process for the preparation of intermediate compound of Formula (14).

IPC Classes  ?

  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • C07D 231/16 - Halogen atoms or nitro radicals
  • A61P 35/00 - Antineoplastic agents
  • C07F 5/05 - Cyclic compounds having at least one ring containing boron but no carbon in the ring

32.

AN IMPROVED PROCESS FOR THE PREPARATION OF RUXOLITINIB PHOSPHATE

      
Document Number 03231996
Status Pending
Filing Date 2022-09-16
Open to Public Date 2023-03-23
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Hanumara, Satya Srinivas
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Kothamunireddy Gari, Sunitha
  • Solipuram, Raji Reddy
  • Kasuganti, Jayakrishna
  • Annadasu, Ankama Nayudu
  • Bandla, Venkateswarlu
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Ruxolitinib phosphate (1) using novel intermediate compound of Formula (14). The present invention also relates to a process for the preparation of intermediate compound of Formula (14).

IPC Classes  ?

33.

NOVEL PROCESS FOR THE PREPARATION OF ACALABRUTINIB AND ITS INTERMEDIATES

      
Application Number 17781570
Status Pending
Filing Date 2020-12-01
First Publication Date 2023-03-16
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Sanapureddy, Jagan Mohan Reddy
  • Remella, Ravi Kumar
  • Thoota, Sandeep Kumar
  • Kothamunireddygari, Sunitha
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved and industrially viable process for the preparation of Acalabrutinib and its Intermediates. The present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale. The present invention relates to process for the preparation Acalabrutinib of formula (1) and process for the preparation of Acalabrutinib key starting material. The present invention relates to an improved and industrially viable process for the preparation of Acalabrutinib and its Intermediates. The present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale. The present invention relates to process for the preparation Acalabrutinib of formula (1) and process for the preparation of Acalabrutinib key starting material.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems

34.

NOVEL CRYSTALLINE POLYMORPH OF LURBINECTEDIN AND IMPROVED PROCESS FOR THE PREPARATION OF LURBINECTEDIN

      
Document Number 03229559
Status Pending
Filing Date 2022-08-30
Open to Public Date 2023-03-09
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Chintalapati, Srinivasa Chary
  • Kotte, Thirupathi
  • Abayee Kaliyaperumal, Srinivasan
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to novel crystalline polymorph, Form-N of Lurbinectedin and process for preparation of Lurbinectedin.

IPC Classes  ?

  • A61K 31/4995 - Pyrazines or piperazines forming part of bridged ring systems
  • C07D 515/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings

35.

AN IMPROVED PROCESS FOR THE PREPARATION OF TRABECTEDIN

      
Application Number IN2022050769
Publication Number 2023/031958
Status In Force
Filing Date 2022-08-30
Publication Date 2023-03-09
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kothamunireddygari, Sunitha
  • Gattu, Anitha
  • Solipuram, Rajireddy
  • Chintalapati, Srinivasa Chary
  • Kotte, Thirupathi
  • Madalapu, Veerababu
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to novel process for preparation of Trabectedin which involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale.

IPC Classes  ?

  • A61K 47/00 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient
  • C07D 487/18 - Bridged systems
  • C07D 497/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having oxygen and sulfur atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
  • C07D 515/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings

36.

NOVEL CRYSTALLINE POLYMORPH OF LURBINECTEDIN AND IMPROVED PROCESS FOR THE PREPARATION OF LURBINECTEDIN

      
Application Number IN2022050772
Publication Number 2023/031960
Status In Force
Filing Date 2022-08-30
Publication Date 2023-03-09
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Chintalapati, Srinivasa Chary
  • Kotte, Thirupathi
  • Abayee Kaliyaperumal, Srinivasan
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to novel crystalline polymorph, Form-N of Lurbinectedin and process for preparation of Lurbinectedin.

IPC Classes  ?

  • A61K 31/4995 - Pyrazines or piperazines forming part of bridged ring systems

37.

AN IMPROVED PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF BALOXAVIR MORBOXIL

      
Application Number IN2022050629
Publication Number 2023/286078
Status In Force
Filing Date 2022-07-11
Publication Date 2023-01-19
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Talasani, Shyam Sunder Reddy
  • Budideti, Shankar Reddy
  • Kotte, Rajashekar
  • Satti, Venkata Reddy
  • Mala, Nagendra
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention provides an improved process for the preparation of (12aR)-3,4,12,12a-tetrahydro-7-(phenylmethoxy)-1H-[1,4]oxazino[3,4-c] pyrido[2,1-f] [1,2,4]triazine-6,8-dione of Formula (I). Formula I which is a key intermediate in the synthesis of Baloxavir Morboxil of Formula (II).

IPC Classes  ?

  • C07C 51/363 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogenPreparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by substitution of halogen atoms by other halogen atoms
  • A61P 31/16 - Antivirals for RNA viruses for influenza or rhinoviruses

38.

EGFR INHIBITOR FOR THE TREATMENT OF HEAD AND NECK CANCER

      
Application Number GB2022051450
Publication Number 2022/258977
Status In Force
Filing Date 2022-06-09
Publication Date 2022-12-15
Owner
  • NATCO PHARMA LIMITED (India)
  • SRINIVASAN, Ravi Chandran (United Kingdom)
Inventor
  • Yadla, Sheshu Babu
  • Myneni, Praveen Chowdary
  • Gogula, Venkata Ramana
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to the treatment of recurrent and/or metastatic squamous cell carcinoma of the head and neck (preferably recurrent squamous cell carcinoma of the head and neck) with a compound which is (3-ethynyl-phenyl)-[7-methoxy-6-(3- morpholin-4-yl-propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof. The invention also relates to the treatment of head and neck cancer with a compound which is (3-ethynyl-phenyl)-[7-methoxy-6-(3-morpholin-4-yl- propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof, wherein the treating the head and neck cancer comprises reducing the size of one or more tumours associated with the head and neck cancer.

IPC Classes  ?

  • A61K 31/337 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
  • A61K 31/555 - Heterocyclic compounds containing heavy metals, e.g. hemin, hematin, melarsoprol
  • A61K 33/243 - PlatinumCompounds thereof
  • A61P 35/00 - Antineoplastic agents

39.

EGFR INHIBITOR FOR THE TREATMENT OF HEAD AND NECK CANCER

      
Document Number 03221808
Status Pending
Filing Date 2022-06-09
Open to Public Date 2022-12-15
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Yadla, Sheshu Babu
  • Myneni, Praveen Chowdary
  • Gogula, Venkata Ramana
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to the treatment of recurrent and/or metastatic squamous cell carcinoma of the head and neck (preferably recurrent squamous cell carcinoma of the head and neck) with a compound which is (3-ethynyl-phenyl)-[7-methoxy-6-(3- morpholin-4-yl-propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof. The invention also relates to the treatment of head and neck cancer with a compound which is (3-ethynyl-phenyl)-[7-methoxy-6-(3-morpholin-4-yl- propoxy)-quinazolin-4-yl]-amine (NRC-2694) or a pharmaceutically acceptable salt thereof, wherein the treating the head and neck cancer comprises reducing the size of one or more tumours associated with the head and neck cancer.

IPC Classes  ?

  • A61K 31/337 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having four-membered rings, e.g. taxol
  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
  • A61K 31/555 - Heterocyclic compounds containing heavy metals, e.g. hemin, hematin, melarsoprol
  • A61K 33/243 - PlatinumCompounds thereof
  • A61K 35/00 - Medicinal preparations containing materials or reaction products thereof with undetermined constitution

40.

IMPROVED PROCESS FOR THE PREPARATION OF 7-(MORPHOLINYL)-2-(N-PIPERAZINYL)METHYLTHIENO[2, 3-C]PYRIDINE DERIVATIVES

      
Document Number 03216161
Status Pending
Filing Date 2022-04-15
Open to Public Date 2022-10-27
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kompella, Amala
  • Vagicherla, Kameswara Rao
  • Lanki Reddy, Tirumala Reddy
  • Pesaru, Narmada
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention describes an improved second generation process for the synthesis of NRC-1111 (1,5-[2-[[4-(methylsulfonyl)-1-piperazinyl]methyl]-7-(4-morpholinyl)thieno[2,3-c] pyridine-5-yl]-2-pyrimidinamine) dimethane sulfonate and NRC-1109 (II, 5-[3-methyl-2-[(4-methylsulfonylpiperazin-1-yl)methyl]-7-morpholino-thieno[2,3-c]pyridin-5-yl]pyrimidin-2-amine) dimethane sulfonate. This process is cost effective, high yielding and industrially feasible process for the synthesis of compounds of formulae I and II with high purity. Formula (I) Formula (I): R = H for NRC-1111 and Formula (II): R = CH3 for NRC-1109 NRC-1111 and NRC-1109 are potential anti-cancer agents.

IPC Classes  ?

41.

IMPROVED PROCESS FOR THE PREPARATION OF 7-(MORPHOLINYL)-2-(N-PIPERAZINYL)METHYLTHIENO[2, 3-C]PYRIDINE DERIVATIVES

      
Application Number IN2022050363
Publication Number 2022/224267
Status In Force
Filing Date 2022-04-15
Publication Date 2022-10-27
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kompella, Amala
  • Vagicherla, Kameswara Rao
  • Lanki Reddy, Tirumala Reddy
  • Pesaru, Narmada
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention describes an improved second generation process for the synthesis of NRC-1111 (1,5-[2-[[4-(methylsulfonyl)-1-piperazinyl]methyl]-7-(4-morpholinyl)thieno[2,3-c] pyridine-5-yl]-2-pyrimidinamine) dimethane sulfonate and NRC-1109 (II, 5-[3-methyl-2-[(4-methylsulfonylpiperazin-1-yl)methyl]-7-morpholino-thieno[2,3-c]pyridin-5-yl]pyrimidin-2-amine) dimethane sulfonate. This process is cost effective, high yielding and industrially feasible process for the synthesis of compounds of formulae I and II with high purity. Formula (I) Formula (I): R = H for NRC-1111 and Formula (II): R = CH3 for NRC-1109 NRC-1111 and NRC-1109 are potential anti-cancer agents.

IPC Classes  ?

  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol

42.

A PROCESS FOR THE PREPARATION OF VENETOCLAX AND ITS POLYMORPHS THEREOF

      
Application Number 17626078
Status Pending
Filing Date 2020-07-08
First Publication Date 2022-08-18
Owner Natco Pharma Limited (India)
Inventor
  • Sirigireddy, Balakrishna Reddy
  • Balina, Veeraswamy
  • Rachakonda, Sreenivas
  • Murki, Veerender
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of 4-(4-{[2-(4-chlorophenyl)-4,4dimethylcyclohex-1-en-1-yl]methyl}piperazin-1-yl)-N-({3-nitro-4-[(tetrahydro-2H-pyran-4ylmethyl)amino]phenyl}sulfonyl)-2-(1H-pyrrolo[2,3-b] pyridin-5-yloxy)benzamide) compound of formula-1 which is represented by the following structural formula: The present invention relates to a process for the preparation of 4-(4-{[2-(4-chlorophenyl)-4,4dimethylcyclohex-1-en-1-yl]methyl}piperazin-1-yl)-N-({3-nitro-4-[(tetrahydro-2H-pyran-4ylmethyl)amino]phenyl}sulfonyl)-2-(1H-pyrrolo[2,3-b] pyridin-5-yloxy)benzamide) compound of formula-1 which is represented by the following structural formula:

IPC Classes  ?

43.

PHARMACEUTICAL COMPOSITIONS COMPRISING NILOTINIB

      
Application Number IN2022050054
Publication Number 2022/162687
Status In Force
Filing Date 2022-01-24
Publication Date 2022-08-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Vattikuti, Satyanarayana
  • Mupparaju, Sundeep
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a tyrosine kinase inhibitor. More particularly, the present invention relates to a composition comprising Nilotinib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/395 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins

44.

PHARMACEUTICAL COMPOSITIONS COMPRISING ACALABRUTINIB

      
Application Number IN2022050020
Publication Number 2022/153330
Status In Force
Filing Date 2022-01-10
Publication Date 2022-07-21
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Vattikuti, Satyanarayana
  • Yalamanchalli, Naveen Krishna
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a Bruton tyrosine kinase (BTK) inhibitor. More particularly, the present invention relates to a composition comprising Acalabrutinib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
  • C07D 487/04 - Ortho-condensed systems

45.

NOVEL CRYSTALLINE FORM OF TAFAMIDIS AND ITS PROCESS THEREOF

      
Application Number IN2021051080
Publication Number 2022/107166
Status In Force
Filing Date 2021-11-18
Publication Date 2022-05-27
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Budideti, Shankar, Reddy
  • Abayee Kaliyaperumal, Srinivasan
  • Madalapu, Veerababu
  • Gattu, Anitha
  • Yajjuvarapu, Rushya, Rao
  • Pothabathula, Govinda, Raju
  • Vinigari, Krishna
  • Movva, Naga, Jyothi
  • Muddasani, Pulla, Reddy
  • Nannapaneni, Venkaiah, Chowdary

Abstract

The present invention relates to novel crystalline Forms of Tafamidis and process to prepare thereof. The present invention also relates to process of Tafamidis N-methyl-D-glucamine.

IPC Classes  ?

  • A61K 31/423 - Oxazoles condensed with carbocyclic rings
  • C07D 263/57 - Aryl or substituted aryl radicals
  • A61P 25/28 - Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia

46.

PROCESS FOR THE PREPARATION OF ERIBULIN AND ITS INTERMEDIATES

      
Application Number IN2021051053
Publication Number 2022/101931
Status In Force
Filing Date 2021-11-06
Publication Date 2022-05-19
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Gutala, Phaneendra
  • Kasa, Srinivasu
  • Brahmadevi, Nagamani
  • Sirigireddy, Balakrishna, Reddy
  • Konakanchi, Durga, Prasad
  • Dandala, Ramesh
  • Muddasani, Pulla, Reddy
  • Nannapaneni, Venkaiah, Chowdary

Abstract

The present invention relates to a process for the preparation of Eribulin Intermediates. The present invention involves less expensive solvents and the process conditions can be easily adopted for commercial scale.

IPC Classes  ?

  • C07D 491/22 - Heterocyclic compounds containing in the condensed ring system both one or more rings having oxygen atoms as the only ring hetero atoms and one or more rings having nitrogen atoms as the only ring hetero atoms, not provided for by groups , , or in which the condensed system contains four or more hetero rings

47.

PROCESS FOR THE PREPARATION OF HIGH PURE ERIBULIN AND ITS MESYLATE SALT

      
Application Number 17298229
Status Pending
Filing Date 2019-11-27
First Publication Date 2022-03-24
Owner Natco Pharma Limited (India)
Inventor
  • Divya, Prabhakar
  • Kasa, Srinivasu
  • Konakanchi, Durga Prasad
  • Dandala, Ramesh
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of high pure Eribulin and Eribulin Mesylate. The present invention involves preparation of high pure Eribulin and its mesylate salt involving chiral acid addition salts of Eribulin.

IPC Classes  ?

  • C07D 493/22 - Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains four or more hetero rings
  • C07C 311/19 - Sulfonamides having sulfur atoms of sulfonamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atom of at least one of the sulfonamide groups bound to hydrogen atoms or to an acyclic carbon atom to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups

48.

Process for the preparation of Tipiracil hydrochloride and intermediates thereof

      
Application Number 17418752
Grant Number 11465988
Status In Force
Filing Date 2019-12-13
First Publication Date 2022-02-24
Grant Date 2022-10-11
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Sakkani, Srinivasulu
  • Kotra, Uma Naresh Babu
  • Ragidi, Dharmender
  • Gongalla, Buchappa
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities.

IPC Classes  ?

  • C07D 403/06 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
  • C07D 207/22 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D 239/553 - Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals with other hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms with halogen atoms or nitro radicals directly attached to ring carbon atoms, e.g. fluorouracil

49.

PHARMACEUTICAL COMPOSITIONS COMPRISING RIBOCICLIB

      
Application Number IN2021050740
Publication Number 2022/029798
Status In Force
Filing Date 2021-07-31
Publication Date 2022-02-10
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Tripuraneni, Rama Swamy Chowdary
  • Sagi, Chaitanya Kumar
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to immediate release pharmaceutical compositions comprising Ribociclib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

50.

PHARMACEUTICAL COMPOSITIONS COMPRISING RIBOCICLIB

      
Document Number 03187241
Status Pending
Filing Date 2021-07-31
Open to Public Date 2022-02-10
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Tripuraneni, Rama Swamy Chowdary
  • Sagi, Chaitanya Kumar
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to immediate release pharmaceutical compositions comprising Ribociclib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

51.

Process for the preparation of Sugammadex sodium and its novel polymorphic form

      
Application Number 17278296
Grant Number 11845811
Status In Force
Filing Date 2019-09-18
First Publication Date 2021-11-18
Grant Date 2023-12-19
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Prabhakar, Vanga
  • Saidulu, Baddula
  • Rajashekar, Kotte
  • Rajasekhara Reddy, Peddi
  • Naga Vasanta Srinivasu, Vuppalapati
  • Srinivasa Krishna Murthy, Konduri
  • Shankar Reddy, Budideti
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention provides an improved process for the preparation of Sugammadex sodium of formula (I) having more than 98.5% purity along with less than 1.0% monohydroxy Sugammadex sodium and less than 0.15% any other known or unknown impurities by HPLC.

IPC Classes  ?

  • C08B 37/16 - CyclodextrinDerivatives thereof
  • C08B 37/00 - Preparation of polysaccharides not provided for in groups Derivatives thereof

52.

IMMEDIATE RELEASE PHARMACEUTICAL COMPOSITIONS COMPRISING PALBOCICLIB

      
Application Number IN2021050405
Publication Number 2021/220295
Status In Force
Filing Date 2021-04-24
Publication Date 2021-11-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Bhavanasi, Krishna Murthy
  • Tripuraneni, Rama Swamy Chowdary
  • Sagi, Chaitanya Kumar
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to immediate release pharmaceutical compositions comprising a kinase inhibitor. More particularly, the present invention relates to immediate release pharmaceutical compositions comprising Palbociclib or a pharmaceutically acceptable salt thereof and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • C07D 471/04 - Ortho-condensed systems
  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings

53.

Stable pharmaceutical compositions comprising lenalidomide

      
Application Number 16962131
Grant Number 11452722
Status In Force
Filing Date 2019-01-07
First Publication Date 2021-07-01
Grant Date 2022-09-27
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Satyanarayana, Vattikuti
  • Krishna Murthy, Bhavanasi
  • Venkata Suresh Babu, Vemuri
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising Lenalidomide. More particularly, the present invention relates to a stable composition comprising anhydrous Lenalidomide Form I and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K 47/26 - Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharidesDerivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin

54.

Process for the preparation of Cabozantinib and its pharmaceutically acceptable salts thereof

      
Application Number 16972472
Grant Number 11498902
Status In Force
Filing Date 2019-06-04
First Publication Date 2021-06-24
Grant Date 2022-11-15
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Amala, Kompella
  • Venugopala Krishna, Gampa
  • Ankamanayudu, Annadasu
  • Srinivasulu, Ganganamoni
  • Durga Prasad, Konakanchi
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to an improved process for the preparation of N-(4-(6,7-dimethoxyquinolin-4-yloxy)phenyl)-N′-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide compound of formula-1 which is represented by the following structural formula:

IPC Classes  ?

  • C07D 215/233 - Oxygen atoms attached in position 2 or 4 only one oxygen atom which is attached in position 4

55.

AN IMPROVED PROCESS FOR THE PREPARATION OF OSIMERTINIB MESYLATE

      
Application Number IN2020050982
Publication Number 2021/111462
Status In Force
Filing Date 2020-11-27
Publication Date 2021-06-10
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Talasani, Shyam Sunder Reddy
  • Mala, Nagendra
  • Arabinda, Sahu
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Osimertinib mesylate with high purity and high yield.

IPC Classes  ?

  • C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond

56.

NOVEL PROCESS FOR THE PREPARATION OF ACALABRUTINIB AND ITS INTERMEDIATES

      
Application Number IN2020050992
Publication Number 2021/111465
Status In Force
Filing Date 2020-12-01
Publication Date 2021-06-10
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Sanapureddy, Jagan Mohan Reddy
  • Remella, Ravi Kumar
  • Thoota, Sandeep Kumar
  • Kothamunireddygari, Sunitha
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved and industrially viable process for the preparation of Acalabrutinib and its Intermediates. The present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale. The present invention relates to process for the preparation Acalabrutinib of formula (1) and process for the preparation of Acalabrutinib key starting material.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
  • A61P 37/00 - Drugs for immunological or allergic disorders

57.

Process for the preparation of ribociclib succinate and its novel crystalline forms thereof

      
Application Number 16962934
Grant Number 11414421
Status In Force
Filing Date 2019-01-10
First Publication Date 2021-04-29
Grant Date 2022-08-16
Owner NATCO PHARMA LTD (India)
Inventor
  • Thiriveedhi, Arunkumar
  • Kondaveeti, Swapna
  • Thumati, Sathish
  • Ghanta, Naresh
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddansani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms. The said compound of formula-1a is represented by the following structural formula: Formula-1a

IPC Classes  ?

58.

AN IMPROVED PROCESS FOR THE PREPARATION OF BARICITINIB

      
Application Number IN2020050793
Publication Number 2021/053690
Status In Force
Filing Date 2020-09-16
Publication Date 2021-03-25
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Budideti, Shankar Reddy
  • Abayee Kaliyaperumal, Srinivasan
  • Konduri, Srinivasa Krishna Murthy
  • Samatham, Nagalingam
  • Kasuganti, Jayakrishna
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention provides an improved process for the preparation of Baricitinib of formula (I),

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings

59.

Pharmaceutical compositions comprising Ibrutinib

      
Application Number 16962907
Grant Number 11576917
Status In Force
Filing Date 2019-01-11
First Publication Date 2021-03-04
Grant Date 2023-02-14
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Satyanarayana, Vattikuti
  • Krishna Murthy, Bhavanasi
  • Naveen Krishna, Yalamanchalli
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising Ibrutinib. More particularly, the present invention relates to a tablet composition comprising Ibrutinib and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 9/28 - DrageesCoated pills or tablets

60.

A PROCESS FOR THE PREPARATION OF VENETOCLAX AND ITS POLYMORPHS THEREOF

      
Application Number IN2020050594
Publication Number 2021/009770
Status In Force
Filing Date 2020-07-08
Publication Date 2021-01-21
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Sirigireddy, Balakrishna Reddy
  • Balina, Veeraswamy
  • Rachakonda, Sreenivas
  • Murki, Veerender
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of 4-(4-{[2-(4-chlorophenyl)-4,4dimethylcyclohex-1-en-1-yl]methyl}piperazin-1-yl)-N-({3-nitro-4-[(tetrahydro-2H-pyran-4ylmethyl)amino]phenyl}sulfonyl)-2-(1H-pyrrolo[2,3-b] pyridin-5-yloxy)benzamide) compound of formula-1 which is represented by the following structural formula: Formula-1.

IPC Classes  ?

  • A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin

61.

Stable pharmaceutical compositions comprising trifluridine and tipiracil hydrochloride

      
Application Number 16977802
Grant Number 11730753
Status In Force
Filing Date 2019-03-02
First Publication Date 2020-12-31
Grant Date 2023-08-22
Owner Natco Pharma Limited (India)
Inventor
  • Rama Swamy Chowdary, Tripuraneni
  • Krishna Murthy, Bhavanasi
  • Siddhartha, Yedluri
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising trifluridine and tipiracil hydrochloride. More particularly, the present invention relates to a tablet composition comprising trifluridine, tipiracil hydrochloride and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/7072 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid having two oxo groups directly attached to the pyrimidine ring, e.g. uridine, uridylic acid, thymidine, zidovudine
  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine

62.

Process for the preparation of N-(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride

      
Application Number 16604552
Grant Number 11091470
Status In Force
Filing Date 2017-06-19
First Publication Date 2020-10-22
Grant Date 2021-08-17
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pulla Reddy
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Samatham, Nagalingam
  • Nannapaneni, Venkaiah Chowdary

Abstract

Present invention relates to an improved process for the preparation of N—(3-ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.

IPC Classes  ?

  • C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links

63.

Intermediates for the preparation of eribulin thereof

      
Application Number 16765664
Grant Number 11008296
Status In Force
Filing Date 2018-11-20
First Publication Date 2020-09-24
Grant Date 2021-05-18
Owner Natco Pharma Limited (India)
Inventor
  • Vipparla, Bulli Babi
  • Nagapuri, Sreenivas
  • Kandula, Sathaiah
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to novel intermediates of Eribulin and process for the preparation of the same. The process of the present invention is commercially viable and can be easily adopted for plant scale operations. The present invention relates to tetrahydrofuran compounds of formula I, X, XI, D and B.

IPC Classes  ?

64.

IMPROVED PROCESS FOR THE PREPARATION OF LAPATINIB BASE AND IT'S ANHYDROUS DITOSYLATE SALT

      
Application Number IN2019050930
Publication Number 2020/136671
Status In Force
Filing Date 2019-12-17
Publication Date 2020-07-02
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Budideti, Shankar Reddy
  • Abayee Kaliyaperumal, Srinivasan
  • Konduri, Srinivasa Krishna Murthy
  • Kasuganti, Jayakrishna
  • Samatham, Nagalingam
  • Chapala, Vijaya Lakshmi
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved, high yielding and industrially viable process for the preparation of high pure Lapatinib of formula (1). The present invention involves simple crystallization techniques avoiding column chromatographic techniques and the process conditions can be easily adopted for scale-up studies.

IPC Classes  ?

  • C07D 405/04 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

65.

AN IMPROVED PROCESS FOR THE PREPARATION OF TIPIRACIL HYDROCHLORIDE AND INTERMEDIATES THEREOF

      
Application Number IN2019050914
Publication Number 2020/121334
Status In Force
Filing Date 2019-12-13
Publication Date 2020-06-18
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Sakkani, Srinivasulu
  • Kotra, Uma Naresh Babu
  • Ragidi, Dharmender
  • Gongalla, Buchappa
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities.

IPC Classes  ?

  • C07D 239/54 - Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals

66.

PROCESS FOR THE PREPARATION OF HIGH PURE ERIBULIN AND ITS MESYLATE SALT

      
Application Number IN2019050868
Publication Number 2020/110146
Status In Force
Filing Date 2019-11-27
Publication Date 2020-06-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Divya, Prabhakar
  • Kasa, Srinivasu
  • Konakanchi, Durga Prasad
  • Dandala, Ramesh
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of high pure Eribulin and Eribulin Mesylate. The present invention involves preparation of high pure Eribulin and its mesylate salt involving chiral acid addition salts of Eribulin.

IPC Classes  ?

  • A61K 31/357 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel

67.

PROCESS FOR THE PREPARATION OF ECTEINASCIDIN DERIVATIVE AND ITS INTERMEDIATE

      
Application Number IN2019050862
Publication Number 2020/105068
Status In Force
Filing Date 2019-11-22
Publication Date 2020-05-28
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pulla Reddy
  • Budideti, Shankar Reddy
  • Arabinda, Sahu
  • Madalapu, Veerababu
  • Gattu, Anitha
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved and industrially viable process for the preparation of Trabectedin. The present invention also relates to an improved and industrially viable process for the preparation of Trabectedin Intermediate compound of formula-A. The present invention involves less expensive reagents, solvents and the process conditions can be easily adopted for commercial scale.

IPC Classes  ?

  • C07D 515/22 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups , or in which the condensed system contains four or more hetero rings

68.

Process for the preparation of amorphous idelalisib

      
Application Number 16607914
Grant Number 10870650
Status In Force
Filing Date 2018-04-11
First Publication Date 2020-03-26
Grant Date 2020-12-22
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kompella, Amala
  • Rachakonda, Sreenivas
  • Gampa, Venugopala Krishna
  • Kusumba, Subhash
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of stable and 5 pure amorphous form of Idelalisib. Further, the present process is simple, more economical, cost effective and efficient method of manufacturing that is suitable for industrial scale-up having a high degree of chromatographic purity.

IPC Classes  ?

  • C07D 473/34 - Nitrogen atom attached in position 6, e.g. adenine

69.

AN IMPROVED PROCESS FOR THE PREPARATION OF SUGAMMADEX SODIUM AND ITS NOVEL POLYMORPHIC FORM

      
Application Number IN2019050681
Publication Number 2020/058987
Status In Force
Filing Date 2019-09-18
Publication Date 2020-03-26
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Prabhakar, Vanga
  • Saidulu, Baddula
  • Rajashekar, Kotte
  • Rajasekhara Reddy, Peddi
  • Naga Vasanta Srinivasu, Vuppalapati
  • Srinivasa Krishna Murthy, Konduri
  • Shankar Reddy, Budideti
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention provides an improved process for the preparation of Sugammadex sodium of formula (I) having more than 98.5% purity along with less than 1.0% monohydroxy Sugammadex sodium and less than 0.15% any other known or unknown impurities by HPLC.

IPC Classes  ?

  • A61K 31/724 - Cyclodextrins
  • C08B 37/00 - Preparation of polysaccharides not provided for in groups Derivatives thereof
  • C08B 37/16 - CyclodextrinDerivatives thereof

70.

Pharmaceutical compositions of pomalidomide

      
Application Number 16485959
Grant Number 10966971
Status In Force
Filing Date 2017-05-17
First Publication Date 2020-02-20
Grant Date 2021-04-06
Owner Natco Pharma Limited (India)
Inventor
  • Vattikuti, Satyanarayana
  • Bhavanasi, Krishna Murthy
  • Yalamanchalli, Naveen Krishna
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to pharmaceutical compositions of pomalidomide comprising pomalidomide and binder or filler at amount of at most 89% weight percent of total weight of the composition and process for the preparation of such compositions.

IPC Classes  ?

  • A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate

71.

AN IMPROVED PROCESS FOR THE PREPARATION OF CABOZANTINIB AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF

      
Application Number IN2019050432
Publication Number 2019/234761
Status In Force
Filing Date 2019-06-04
Publication Date 2019-12-12
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Amala, Kompella
  • Venugopala Krishna, Gampa
  • Ankamanayudu, Annadasu
  • Srinivasulu, Ganganamoni
  • Durga Prasad, Konakanchi
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

NN'N'-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide compound of formula-1 which is represented by the following structural formula:

IPC Classes  ?

72.

AN IMPROVED PROCESS FOR THE PREPARATION OF ANTHRANILAMIDE DERIVATIVES

      
Application Number IN2019050321
Publication Number 2019/207595
Status In Force
Filing Date 2019-04-20
Publication Date 2019-10-31
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Amarnath, Jampani
  • Naresh, Ghanta
  • Radha Rani, Samatham
  • Nageswara Rao, Bollepalli
  • Janaki Rama Rao, Ravi
  • Durga Prasad, Konakanchi
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to an improved process for the preparation of anthranilamide derivatives. More particularly, the present invention relates to an improved process for the preparation of Chlorantraniliprole-(Ia) and Cyantraniliprole-(Ib).

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

73.

Process for the preparation of dasatinib polymorph

      
Application Number 16466004
Grant Number 10800771
Status In Force
Filing Date 2017-03-20
First Publication Date 2019-09-26
Grant Date 2020-10-13
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konakanchi, Durga Prasad
  • Gongalla, Buchappa
  • Kotra, Uma Naresh Babu
  • Sakkani, Srinivasulu
  • Ragidi, Dharmender
  • Sikha, Kotayyababu
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to an improved process for the preparation of dasatinib anhydrous crystalline Neat form N-6 with high purity and high yield. The present invention also relates to purification of dasatinib crystalline Neat form N-6.

IPC Classes  ?

  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

74.

STABLE PHARMACEUTICAL COMPOSITIONS COMPRISING SACUBITRIL-VALSARTAN COMPLEX

      
Application Number IN2019050211
Publication Number 2019/180735
Status In Force
Filing Date 2019-03-16
Publication Date 2019-09-26
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Ashok, Thadisetty
  • Krishna Murthy, Bhavanasi
  • Lakshmi Venkata Pavan Kumar, Kota
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising sacubitril-valsartan complex. More particularly, the present invention relates to a stable composition comprising trisodium salt of sacubitril-valsartan complex trihydrate and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/216 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acids having aromatic rings, e.g. benactizyne, clofibrate
  • A61K 31/41 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole
  • C07D 257/04 - Five-membered rings

75.

STABLE PHARMACEUTICAL COMPOSITIONS COMPRISING TRIFLURIDINE AND TIPIRACIL HYDROCHLORIDE

      
Application Number IN2019050182
Publication Number 2019/171394
Status In Force
Filing Date 2019-03-02
Publication Date 2019-09-12
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Rama Swamy Chowdary, Tripuraneni
  • Krishna Murthy, Bhavanasi
  • Siddhartha, Yedluri
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising trifluridine and tipiracil hydrochloride. More particularly, the present invention relates to a tablet composition comprising trifluridine, tipiracil hydrochloride and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine

76.

PROCESS FOR THE PREPARATION OF SORAFENIB TOSYLATE POLYMORPH III

      
Application Number IN2019050084
Publication Number 2019/155486
Status In Force
Filing Date 2019-02-05
Publication Date 2019-08-15
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Pulla Reddy, Muddasani
  • Shankar Reddy, Budideti
  • Sambasiva Rao, Talasila
  • Srinivasachary, Chintalapati
  • Tirupathi, Kotte
  • Sahu, Arabinda
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to a process for the preparation of sorafenib tosylate form III from sorafenib base through sorafenib tosylate methanol solvate. The present invention relates to an improved process for the preparation of Sorafenib tosylate form III with high purity and high yield. The present process controls the genotoxic impurities content in final API.

IPC Classes  ?

77.

Process for the preparation of Ibrutinib

      
Application Number 16074505
Grant Number 10626117
Status In Force
Filing Date 2017-02-01
First Publication Date 2019-08-08
Grant Date 2020-04-21
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pulla Reddy
  • Budideti, Shankar Reddy
  • Madalapu, Veerababu
  • Gattu, Anitha
  • Konda, Bala Ankireddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Ibrutinib with high purity and high yields. The present process is cost effective and feasible in large scale production also. The present process avoids the mitsunobu reagent conditions also. The present Invention also relates to a process for the preparation of Crystalline form A and Crystalline form C of Ibrutinib.

IPC Classes  ?

  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
  • C07D 487/04 - Ortho-condensed systems
  • C07D 473/04 - Heterocyclic compounds containing purine ring systems with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms

78.

Process for the preparation of pomalidomide and its purification

      
Application Number 16311782
Grant Number 11111228
Status In Force
Filing Date 2016-08-22
First Publication Date 2019-08-01
Grant Date 2021-09-07
Owner Natco Pharma Limited (India)
Inventor
  • Konakanchi, Durga Prasad
  • Gongalla, Buchappa
  • Ragidi, Dharmendher
  • Kotra, Uma Naresh Babu
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to an improved process for the preparation of Pomalidomide with higher yields and high purity. Particularly the present invention relates to form A preparation of Pomalidomide and its purification. wherein the present process doesn't involve use of dioxane solvent and avoids higher temperatures.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

79.

AN IMPROVED PROCESS FOR THE PREPARATION OF RIBOCICLIB SUCCINATE AND ITS NOVEL CRYSTALLINE FORMS THEREOF

      
Application Number IN2019050019
Publication Number 2019/142206
Status In Force
Filing Date 2019-01-10
Publication Date 2019-07-25
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Arunkumar, Thiriveedhi
  • Swapna, Kondaveeti
  • Sathish, Thumati
  • Naresh, Ghanta
  • Janaki Rama Rao, Ravi
  • Durga Prasad, Konakanchi
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to an improved process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide succinate (1/1) compound of formula-1a and its novel crystalline forms. The said compound of formula-1a is represented by the following structural formula:. Formula-1a

IPC Classes  ?

  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

80.

PHARMACEUTICAL COMPOSITIONS COMPRISING IBRUTINIB

      
Document Number 03089537
Status Pending
Filing Date 2019-01-11
Open to Public Date 2019-07-25
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Satyanarayana, Vattikuti
  • Krishna Murthy, Bhavanasi
  • Naveen Krishna, Yalamanchalli
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising Ibrutinib. More particularly, the present invention relates to a tablet composition comprising Ibrutinib and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings

81.

PHARMACEUTICAL COMPOSITIONS COMPRISING IBRUTINIB

      
Application Number IN2019050023
Publication Number 2019/142207
Status In Force
Filing Date 2019-01-11
Publication Date 2019-07-25
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Satyanarayana, Vattikuti
  • Krishna Murthy, Bhavanasi
  • Naveen Krishna, Yalamanchalli
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising Ibrutinib. More particularly, the present invention relates to a tablet composition comprising Ibrutinib and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings

82.

STABLE PHARMACEUTICAL COMPOSITIONS COMPRISING LENALIDOMIDE

      
Application Number IN2019050012
Publication Number 2019/138424
Status In Force
Filing Date 2019-01-07
Publication Date 2019-07-18
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Satyanarayana, Vattikuti
  • Krishna Murthy, Bhavanasi
  • Venkata Suresh Babu, Vemuri
  • Pavan, Bhat
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to pharmaceutical compositions comprising Lenalidomide. More particularly, the present invention relates to a stable composition comprising anhydrous Lenalidomide Form I and one or more pharmaceutically acceptable excipients and process for preparing such compositions.

IPC Classes  ?

  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
  • A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

83.

INTERMEDIATES FOR THE PREPARATION OF ERIBULIN THEREOF

      
Application Number IN2018050765
Publication Number 2019/102490
Status In Force
Filing Date 2018-11-20
Publication Date 2019-05-31
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Vipparla, Bulli Babi
  • Nagapuri, Sreenivas
  • Kandula, Sathaiah
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to novel intermediates of Eribulin and process for the preparation of the same. The process of the present invention is commercially viable and can be easily adopted for plant scale operations. The present invention relates to tetrahydrofuran compounds of formula I, X, XI, D and B.

IPC Classes  ?

  • C07D 519/00 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or

84.

AN IMPROVED PROCESS FOR THE PREPARATION OF ELBASVIR AND ITS SALT THEREOF

      
Application Number IN2018050032
Publication Number 2019/064310
Status In Force
Filing Date 2018-01-22
Publication Date 2019-04-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Sashikanth, Suthrapu
  • Naveena, Tankasala
  • Veman Reddy, Andru
  • Maruthinath, Karicheti
  • Janaki Rama Rao, Ravi
  • Durga Prasad, Konakanchi
  • Pulla Reddy, Muddasani
  • Venkaiah Chowdary, Nannapaneni

Abstract

The present invention relates to an improved process for the preparation of Elbasvir compound of Formula-I through its novel salt.

IPC Classes  ?

85.

A NOVEL PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF ALECTINIB

      
Application Number IN2018050501
Publication Number 2019/038779
Status In Force
Filing Date 2018-07-31
Publication Date 2019-02-28
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Appaye Kaliyaperumal, Srinivasan
  • Talasani, Shyam Sunder Reddy
  • Samatham, Nagalingam
  • Konduri, Srinivasa Krishna Murthy
  • Budideti, Shankar Reddy
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention provides a novel process for the preparation of 2-(4-Ethyl-3-iodophenyl)-2-methylpropanoic acid of Formula (I), (I) which is a key intermediate in the synthesis of Alectinib or its salt of Formula (II).

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

86.

Modified process for the preparation of Ceritinib and amorphous form of Ceritinib

      
Application Number 16085240
Grant Number 10604505
Status In Force
Filing Date 2017-03-09
First Publication Date 2019-02-14
Grant Date 2020-03-31
Owner Natco Pharma Limited (India)
Inventor
  • Konakanchi, Durga Prasad
  • Pula, Subba Rao
  • Pallooru, Muni Bhaskar
  • Samatham, Radha Rani
  • Pilli, Ramakrishna
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Karnam, Sandeep
  • Muddasani, Pulla Reddy
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to an improved process for the preparation of Ceritinib with high yield and high purity. The present process is cost effective and feasible in large scale production also. The present invention also related to a stable amorphous form of Ceritinib and its preparation. The present invention also relates to a process for the preparation of Crystalline form A of Ceritinib.

IPC Classes  ?

  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

87.

PHARMACEUTICAL COMPOSITIONS OF TICAGRELOR

      
Application Number IN2017050324
Publication Number 2018/229785
Status In Force
Filing Date 2017-08-07
Publication Date 2018-12-20
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Thadisetty, Ashok
  • Bhavanasi, Krishna Murthy
  • Kota, Lakshmi Venkata Pavan Kumar
  • Bhat, Pavan
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to oral pharmaceutical compositions comprising Ticagrelor and pharmaceutically acceptable polymer in a ratio of 1:0.1 to 1:1 in the form of solid dispersion and process for the preparation of such compositions.

IPC Classes  ?

  • A61K 9/14 - Particulate form, e.g. powders
  • A61P 9/00 - Drugs for disorders of the cardiovascular system
  • A61K 31/519 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings

88.

PHARMACEUTICAL COMPOSITIONS OF DABIGATRAN

      
Application Number IN2017050315
Publication Number 2018/229784
Status In Force
Filing Date 2017-07-31
Publication Date 2018-12-20
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kurra, Venkateswara Rao
  • Bhavanasi, Krishna Murthy
  • Bhat, Pavan
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to oral pharmaceutical compositions of dabigatran or a pharmaceutically acceptable salts thereof and process for the preparation of such compositions.

IPC Classes  ?

  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 9/60 - Organic coatings containing natural gums or resins
  • A61K 31/00 - Medicinal preparations containing organic active ingredients
  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

89.

PROCESS FOR THE PREPARATION OF AMORPHOUS IDELALISIB

      
Application Number IN2018050206
Publication Number 2018/198131
Status In Force
Filing Date 2018-04-11
Publication Date 2018-11-01
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Kompella, Amala
  • Rachakonda, Sreenivas
  • Gampa, Venugopala Krishna
  • Kusumba, Subhash
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to a process for the preparation of stable and 5 pure amorphous form of Idelalisib. Further, the present process is simple, more economical, cost effective and efficient method of manufacturing that is suitable for industrial scale-up having a high degree of chromatographic purity.

IPC Classes  ?

90.

AN IMPROVED PROCESS FOR THE PREPARATION OF N-(3-ETHYNYLPHENYL)-7-METHOXY-6-(3-MORPHOLINOPROPOXY) QUINAZOLIN -4-AMINE DIHYDROCHLORIDE

      
Document Number 03059670
Status Pending
Filing Date 2017-06-19
Open to Public Date 2018-10-18
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pulla Reddy
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Samatham, Nagalingam
  • Nannapaneni, Venkaiah Chowdary

Abstract

Present invention relates to an improved process for the preparation of N-(3- ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.

IPC Classes  ?

91.

AN IMPROVED PROCESS FOR THE PREPARATION OF N-(3-ETHYNYLPHENYL)-7-METHOXY-6-(3-MORPHOLINOPROPOXY) QUINAZOLIN -4-AMINE DIHYDROCHLORIDE

      
Application Number IN2017050245
Publication Number 2018/189747
Status In Force
Filing Date 2017-06-19
Publication Date 2018-10-18
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pulla Reddy
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Samatham, Nagalingam
  • Nannapaneni, Venkaiah Chowdary

Abstract

Present invention relates to an improved process for the preparation of N-(3- ethynylphenyl)-7-methoxy-6-(3-morpholinopropoxy) quinazolin-4-amine dihydrochloride of formula-I.

IPC Classes  ?

92.

IMPROVED PROCESS FOR THE PREPARATION OF PIRFENIDONE

      
Application Number IN2017050243
Publication Number 2018/178996
Status In Force
Filing Date 2017-06-19
Publication Date 2018-10-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Suthrapu, Sashikanth
  • Tankasala, Naveena
  • Andru, Veman Reddy
  • Karicheti, Maruthinath
  • Ravi, Janaki Rama Rao
  • Konakanchi, Durga Prasad
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to improved process for the production of Pirfenidone which is comprises reacting the compound of 5-methyl-2(1H)-pyridone of formula (III) with bromobenzene (IV) in polar solvent, in presence of base and activated Cu powder to obtain the compound of formula (I). The present invention is also related to purification of Pirfenidone.

IPC Classes  ?

  • C07D 213/64 - One oxygen atom attached in position 2 or 6

93.

NOVEL CRYSTALLINE FORM OF TICAGRELOR

      
Application Number IN2017050244
Publication Number 2018/178997
Status In Force
Filing Date 2017-06-19
Publication Date 2018-10-04
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pulla Reddy
  • Budideti, Shankar Reddy
  • Konduri, Srinivasa Krishna Murthhy
  • Hanumara, Satya Srinivas
  • Kokku, Santhosh Kumar
  • Bandla, Venkateswarlu
  • Pothabathula, Govinda Raju
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to novel crystalline form, Form N of Ticagrelor and process for preparation of the same.

IPC Classes  ?

94.

PHARMACEUTICAL COMPOSITIONS OF POMALIDOMIDE

      
Application Number IN2017050182
Publication Number 2018/150435
Status In Force
Filing Date 2017-05-17
Publication Date 2018-08-23
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Vattikuti, Satyanarayana
  • Bhavanasi, Krishna Murthy
  • Yalamanchalli, Naveen Krishna
  • Nannapaneni, Venkaiah Chowdary

Abstract

The invention relates to pharmaceutical compositions of pomalidomide comprising pomalidomide and binder or filler at amount of at most 89% weight percent of total weight of the composition and process for the preparation of such compositions.

IPC Classes  ?

  • A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
  • A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone

95.

AN IMPROVED PROCESS FOR THE PREPARATION OF DASATINIB POLYMORPH

      
Application Number IN2017050100
Publication Number 2018/100585
Status In Force
Filing Date 2017-03-20
Publication Date 2018-06-07
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konakanchi, Durga Prasad
  • Gongalla, Buchappa
  • Kotra, Uma Naresh Babu
  • Sakkani, Srinivasulu
  • Ragidi, Dharmender
  • Sikha, Kotayyababu
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to an improved process for the preparation of dasatinib anhydrous crystalline Neat form N-6 with high purity and high yield. The present invention also relates to purification of dasatinib crystalline Neat form N-6.

IPC Classes  ?

  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

96.

PROCESS FOR THE PREPARATION OF AMORPHOUS FORM OF CANAGLIFLOZIN

      
Application Number IN2016050322
Publication Number 2018/020506
Status In Force
Filing Date 2016-09-24
Publication Date 2018-02-01
Owner NATCO PHARMA LTD (India)
Inventor
  • Buddeti, Shankarreddy
  • Talasani, Shyam Sunder Reddy
  • Konduri, Srinivasa Krishna Murthy
  • Bandla, Venkateswarlu
  • Kokku, Santosh Kumar
  • Muddasani, Pulla Reddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of amorphous form of Canagliflozin with high purity and high yield. Particularly the present invention is related to the direct isolation of amorphous form of Canagliflozin from reaction mixture and also related to purification of amorphous form of Canagliflozin through piperidine-4-carboxylic acid complex of Canagliflozin.

IPC Classes  ?

  • C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings

97.

PROCESS FOR THE PREPARATION OF POMALIDOMIDE AND ITS PURIFICATION

      
Application Number IN2016050278
Publication Number 2017/221261
Status In Force
Filing Date 2016-08-22
Publication Date 2017-12-28
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konakanchi, Durga Prasad
  • Gongalla, Buchappa
  • Ragidi, Dharmendher
  • Kotra, Uma Naresh Babu
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to an improved process for the preparation of Pomalidomide with higher yields and high purity. Particularly the present invention relates to form A preparation of Pomalidomide and its purification. wherein the present process doesn't involve use of dioxane solvent and avoids higher temperatures.

IPC Classes  ?

  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

98.

7-(morpholinyl)-2-(N-piperazinyl) methyl thieno [2, 3-C] pyridine derivatives as anticancer drugs

      
Application Number 15535016
Grant Number 10106554
Status In Force
Filing Date 2014-12-11
First Publication Date 2017-11-09
Grant Date 2018-10-23
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konakanchi, Durga Prasad
  • Pula, Subba Rao
  • Pilli, Rama Krishna
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Konduri, Srinivasa Krishna Murthy
  • Ravi, Janaki Rama Rao
  • Vuppalapati, Naga Vasanta Srinivasu
  • Thoota, Sandeep Kumar
  • Muddasani, Pulla Reddy
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to novel series of substituted 7-(morpholinyl)-2-(N-piperazinyl)-methyl thieno [2, 3-c] pyridines of the following structure of formula I. Where in R1, R2, R3 and R4 are defined.

IPC Classes  ?

99.

A MODIFIED PROCESS FOR THE PREPARATION OF CERITINIB AND AMORPHOUS FORM OF CERITINIB

      
Application Number IN2017050086
Publication Number 2017/158619
Status In Force
Filing Date 2017-03-09
Publication Date 2017-09-21
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Konakanchi, Durga Prasad
  • Pula, Subba Rao
  • Pallooru, Muni Bhaskar
  • Samatham, Radha Rani
  • Pilli, Ramakrishna
  • Maddula, Lakshmana Viswa Venkata Pavan Kumar
  • Karnam, Sandeep
  • Muddasani, Pulla Reddy
  • Adibhatla, Kali Satya Bhujanga Rao
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention is related to an improved process for the preparation of ceritinib with high yield and high purity. The present process is cost effective and feasible in large scale production also. The present invention also related to a stable amorphous form of ceritinib and its preparation. The present invention also relates to a process for the preparation of Crystalline form A of Ceritinib.

IPC Classes  ?

  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

100.

A PROCESS FOR THE PREPARATION OF IBRUTINIB

      
Application Number IN2017050045
Publication Number 2017/134684
Status In Force
Filing Date 2017-02-01
Publication Date 2017-08-10
Owner NATCO PHARMA LIMITED (India)
Inventor
  • Muddasani, Pullareddy
  • Budideti, Shankar Reddy
  • Madalapu, Veerababu
  • Gattu, Anitha
  • Konda, Bala Ankireddy
  • Nannapaneni, Venkaiah Chowdary

Abstract

The present invention relates to an improved process for the preparation of Ibrutinib with high purity and high yields. The present process is cost effective and feasible in large scale production also. The present process avoids the mitsunobu reagent conditions also. The present Invention also relates to a process for the preparation of Crystalline form A and Crystalline form C of Ibrutinib.

IPC Classes  ?

  • C07D 473/04 - Heterocyclic compounds containing purine ring systems with oxygen, sulfur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
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