322 receptor agonist function, namely (R)-(-)-3-[(R)-2-hydroxy-2-cyclopentyl-2-phenyl]ethoxy-1-{2-[4-((R)2-{(R)-[2-hydroxy-2-(3-formamido-4-hydroxy)phenyl]ethylamino}propyl)phenoxy]propyl}-1-azabicyclo[2,2,2]octylonium hydrochloride chloride, as well as crystallization and preparation methods therefor, and a use thereof. The compound can form a crystalline solid, has better stability and solubility in water, has a faster onset time for airway relaxation, and is more suitable for drug preparation.
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
Disclosed are a solution type nasal spray containing 3-[(2-cyclopentyl-2-hydroxy-2-phenyl)ethoxy]-1-(3-phenoxypropyl)-1-azabicyclo[2,2,2]octonium salt or a derivative thereof, and a preparation method therefor. The components of the solution-type nasal spray include an active pharmaceutical ingredient, a solvent, a cosolvent, a bacteriostatic agent, a pH regulator and an osmotic pressure regulator. The nasal spray has high stability; a pharmacodynamic test result shows that the nasal spray takes effect quickly and is less irritating, and can be used for treating different types of rhinitis and cold accompanied rhinitis.
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
A61P 13/10 - Drugs for disorders of the urinary system of the bladder
A61P 13/00 - Drugs for disorders of the urinary system
A61P 13/02 - Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
A61P 1/00 - Drugs for disorders of the alimentary tract or the digestive system
A61P 1/04 - Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
3.
Crystals, preparation method and application of a muscarinic receptor antagonist
The present invention provides crystals of a quaternary ammonium salt structure compound, i.e., (2R,3R)-3-[(2-cyclopentyl-2-hydroxy-2-phenyl)ethoxy]-1-(3-phenoxypropyl) azabicyclo[2,2,2]octylonium bromide (Compound I). A Type-A crystal of Compound I displays diffraction peaks at the following diffraction angles 2θ in a X-ray powder diffraction pattern thereof: 5.7±0.2 degrees, 12.9±0.2 degrees, 16.7±0.2 degrees, 18.0±0.2 degrees, 19.5±0.2 degrees, 21.1±0.2 degrees, 22.3±0.2 degrees and 23.3±0.2 degrees. A Type-B crystal of Compound I displays diffraction peaks at the following diffraction angles 2θ in a X-ray powder diffraction pattern thereof: 5.2±0.2 degrees, 15.8±0.2 degrees, 16.9±0.2 degrees, 17.7±0.2 degrees, 19.5±0.2 degrees, 20.2±0.2 degrees and 22.1±0.2 degrees. The present application also relates to a new method for preparing Compound I and applications of the two novel crystals in the field of medicine.
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
4.
CRYSTAL OF M RECEPTOR ANTAGONIST AS WELL AS PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
The main purpose of the present invention is to provide a novel crystal of a quaternary ammonium salt structure compound, i.e., (2R,3R)-3-[(2-cyclopentyl-2-hydroxy-2-phenyl)ethoxy]-1-(3-phenoxypropyl)-1-azabicyclo[2,2,2]octylonium bromide (hereinafter referred to as compound I). A type A crystal of compound I displays diffraction peaks at the following diffraction angles 2θ in a powder X-ray diffraction pattern thereof: 5.7±0.2 degrees, 12.9±0.2 degrees, 16.7±0.2 degrees, 18.0±0.2 degrees, 19.5±0.2 degrees, 21.1±0.2 degrees, 22.3±0.2 degrees and 23.3±0.2 degrees. A type B crystal of compound I displays diffraction peaks at the following diffraction angles 2θ in a powder X-ray diffraction pattern thereof: 5.2±0.2 degrees, 15.8±0.2 degrees, 16.9±0.2 degrees, 17.7±0.2 degrees, 19.5±0.2 degrees, 20.2±0.2 degrees and 22.1±0.2 degrees. The present invention also relates to a new preparation method for compound I and an application of the two novel crystals in the field of medicine.
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
Provided is 2-(4-diethylamino)butylmalonic acid-(1R,2R)-(−)-1,2-cyclohexanediamine platinum(II) phosphate having high solubility, low hygroscopicity, and high stability and being suitable for preparing into various antitumor drug preparations. Also provided is a preparation method for amorphous 2-(4-diethylamino)butylmalonic acid-(1R,2R-)-1,2-cyclohexanediamine platinum(II) phosphate. The method is simple to operate and is suitable for industrial implementation.
Provided is 2-(4-diethylamino)butylmalonic acid-(1R,2R)-(-)-1,2-cyclohexanediamine platinum(II) phosphate having high solubility, low hygroscopicity, and high stability and being suitable for preparing into various antitumor drug preparations. Also provided is a preparation method for amorphous 2-(4-diethylamino)butylmalonic acid-(1R,2R)-(-)-1,2-cyclohexanediamine platinum(II) phosphate. The method is simple to operate and is suitable for industrial implementation.
2-adrenoreceptor agonist and an M receptor antagonist, a pharmaceutically acceptable salt, solvate, and optical isomer thereof. A pharmaceutical composition comprising such a compound with quaternary ammonium salt structure, a method for preparing such a compound with quaternary ammonium salt structure and an intermediate thereof, and uses thereof in treating pulmonary disorders are also provided. The compounds of the invention have high selectivity to the M receptor subtype, and have less adverse reaction and lower toxic and side effects in the treatment of pulmonary diseases such as COPD and asthma.
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
Provided are a class of compounds, as represented by formula (I), having a bifunctional active quaternary ammonium salt structure of a β2 adrenoreceptor agonist and an M receptor antagonist, a pharmaceutically acceptable salt, solvate, and an optical isomer thereof, and a pharmaceutical composition containing such a compound with the quaternary ammonium salt structure, a method for preparing such a compound with the quaternary ammonium salt structure and an intermediate thereof, and the use thereof in treating pulmonary diseases. The compound of the present invention has high selectivity for M receptor subtypes, and has the characteristics of fewer adverse effects and less toxic side effects in the treatment of pulmonary diseases such as COPD and asthma.
C07D 403/12 - 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 chain containing hetero atoms as chain links
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
C07D 453/00 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
2 receptor subtype, and the above compounds are characterized by rapid action, long-lasting efficacy, and low toxic and side-effects when used to treat rhinitis, post-cold rhinitis, chronic trachitis, airway hyperresponsiveness, asthma, chronic obstructive pulmonary diseases, cough, urinary incontinence, frequent urination, unstable bladder syndrome, bladder spasms, bladder inflammation and gastrointestinal diseases such as irritable bowel syndrome, spastic colitis, as well as duodenal and gastric ulcers.
A61K 31/46 - 8-Azabicyclo [3.2.1] octaneDerivatives thereof, e.g. atropine, cocaine
C07D 453/02 - Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
A61K 9/00 - Medicinal preparations characterised by special physical form
A61K 9/48 - Preparations in capsules, e.g. of gelatin, of chocolate
A61K 31/137 - Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine
A61K 31/439 - 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 the ring forming part of a bridged ring system, e.g. quinuclidine
10.
Platinum compounds of malonic acid derivative having leaving group containing amino or alkylamino
Disclosed are a class of platinum compounds of malonic acid derivatives having a leaving group containing an amino or alkylamino, and pharmaceutically acceptable salt thereof, preparation method thereof and pharmaceutical composition containing the compounds. Also disclosed are uses of the compounds for treating cell proliferative diseases especially cancers. The platinum compounds of the present invention have high solubility in water, low toxicity and strong anti-tumor effect.
Disclosed are a category of platinum compounds having amino- or alkylamino-containing succinato derivatives as leaving group, or pharmaceutically acceptable salts thereof, preparation method thereof, and medicinal compositions containing the compounds. Also disclosed is a use of the compounds in treating cell proliferative diseases, especially cancers. The platinum compounds of the present invention have high water solubility and small toxic side effect.
A61K 31/555 - Heterocyclic compounds containing heavy metals, e.g. hemin, hematin, melarsoprol
C07C 67/343 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton by increase in the number of carbon atoms
C07C 227/04 - Formation of amino groups in compounds containing carboxyl groups
C07C 227/18 - Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
C07D 295/15 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
12.
Platinum compounds for treating cell proliferative diseases, preparation method and use thereof
Disclosed are a class of platinum compounds with a leaving group of malonic acid derivatives containing amino and alkylamino, their pharmaceutically acceptable salts, their preparation methods and pharmaceutical composites comprising them. Disclosed also are for the uses of the compounds in the treatment of cell proliferative diseases, particularly for the treatment of cancers. The present platinum compounds have high water solubility and low toxicity.
A61K 31/351 - Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
patents
