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2020
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Invention
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Acetate salt of buprenorphine and methods for preparing buprenorphine.
The present disclosure pr... |
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Invention
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Processes for the preparation of aryl hydrocarbon receptor ligands. The present disclosure relate... |
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2019
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Invention
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Acetate salt of buprenorphine and methods for preparing buprenorphine. The present disclosure pro... |
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2018
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Invention
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Hydrocodone base and methods for its purification. A method of recovering a highly pure hydrocodo... |
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2017
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Invention
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Process for the preparation of benzhydrocodone hydrochloride. The invention is directed to proces... |
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Invention
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N-demethylation of morphinan alkaloids. The present disclosure relates to N-demethylation of a co... |
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2016
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Invention
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Selective reduction of morphinan alkaloids. The present disclosure relates to selective reduction... |
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Invention
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Process for the preparation of (s)-2-((4r,4as,6r,7r,7ar,12bs)-7,9-dimethoxy-1,2,3,4,5,6,7,7a-octa... |
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Invention
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Process for the preparation of lisdexamfetamine and related derivatives. The present invention is... |
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2015
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Invention
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Transition metal-catalyzed processes for the preparation of n-allyl compounds and use thereof. Th... |
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Invention
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Process for the preparation of opioid compounds. The present invention is directed to a pro... |
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Invention
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Process for the preparation of opioid compounds. The present invention is directed to a process f... |
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2014
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Invention
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Process for n-dealkylation of tertiary amines. The present disclosure provides improved methods f... |
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Invention
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Process for the preparation of methylphenidate and pharmaceutical salts thereof.
The present inv... |
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2013
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Invention
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1,3-dioxanomorphides and 1,3-dioxanocodides. The application is directed to compounds of Formula ... |
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2011
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Invention
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Low-temperature synthesis of methylphenidate hydrochloride. The present invention describes a pro... |
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Invention
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Crystalline and amorphous forms of nalbuphine hydrochloride. The present invention is directed to... |
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Invention
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Crystalline forms of oxymorphone hydrochloride. The present invention is directed to crystalline ... |
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Invention
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Process for preparing oxycodone having reduced levels of 14-hydroxycodeinone. The present inventi... |
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2007
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Invention
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Process for reducing impurities in oxycodone base. The present invention is directed to a process... |
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2006
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Invention
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Hydromorphone polymorphs. Hydromorphone hydrochloride forms are disclosed which are useful as ana... |
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Invention
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Hydrocodone polymorphs. Hydrocodone bitartrate forms are disclosed which are useful as analgesic ... |
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2003
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Invention
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Oxycodone polymorphs. Oxycodone.HCl polymorph forms are disclosed which are useful as analgesic a... |
