Patent application number | Description | Published |
20090156815 | N-demethylation of N-methyl morphinans - The present invention provides a synthetic process for the N-demethylation of N-methyl morphinans. In particular, the invention provides improved synthetic methods for the preparation of N-demethylated morphinan compounds that may be employed as starting materials, for example, commonly available N-methyl opiates such as oripavine and thebaine, and C(3)-protected hydroxy derivatives of oripavine. | 06-18-2009 |
20090156816 | Sinomenine derivatives and processes for their synthesis - The invention generally provides processes and intermediate compounds useful for the production of sinomenine derivatives. In particular, the process may encompass synthetic routes for the production of (+)-sinomenine derivatives and their intermediates. | 06-18-2009 |
20090156817 | Process for the preparation of buprenorphine and derivatives for buprenorphine - The invention generally provides processes for the production of buprenophine and derivatives of buprenorphine. In particular, the process may encompass synthetic routes for the production of buprenorphine or derivatives of buprenorphine from norhydromorphone or derivatives of norhydromorphone. | 06-18-2009 |
20090156818 | Process and compounds for the production of (+)opiates - The invention generally provides processes and intermediate compounds useful for the production of (+)-opiates. Non-limiting examples of (+) opiates that may be derived from one or more compounds of the invention include (+)-noroxymorphone, (+)-naltrexone, (+)-naloxone, (+)-N-cyclopropylmethylnorhydrocodone, (+)-N-cycloproylmethylnorhydromorphone, (+)-N-allylnorhydrocodone, (+)-N-allylnorhydromorphone, (+)-noroxycodone, (+)-naltrexol, (+)-naloxol, and (+)-3-O-methyl-naltrexone. | 06-18-2009 |
20090156820 | Processes for the production of (+)- "NAL" morphinan compounds - The invention generally provides processes and intermediate compounds useful for the production of (+) nal morphinan compounds. In particular, the process encompasses synthetic routes for the production of (+) nal morphinan compounds or derivatives of (+) nal morphinan compounds from (+)-morphinan substrates such as (+)-hydrocodone, (+)-norhydrocodone or derivatives of either compound. | 06-18-2009 |
20090221825 | Process for the Preparation of 3-Hydroxymorphinan Derivatives - Processes are described for the synthesis of 3-hydroxymorphinan derivatives by hydrolysis of side products from the O-demethylation of 3-methoxymorphinan derivatives. | 09-03-2009 |
20090299069 | Processes and Compounds for the Preparation of Normorphinans - The invention generally provides processes and intermediate compounds useful for the production of normorphinans and derivatives of normorphinans. | 12-03-2009 |
20100035910 | Process for the Preparation of Quaternary N-Alkyl Morphinan Alkaloid Salts - An improved process for the N-alkylation of tertiary morphinan alkaloid bases to form the corresponding quaternary morphinan alkaloid derivatives. | 02-11-2010 |
20100056789 | Substituted Berbines and Processes for their Synthesis - The present invention provides processes for the synthesis of substituted berbine compounds. Also provided are intermediates used in the synthesis of substituted berbine compounds. | 03-04-2010 |
20100069639 | Processes for the Synthesis of Five and Six Membered Heterocyclic Rings - The present invention provides processes for the synthesis of five and six membered rings. In particular, the present invention provides processes for the synthesis of five and six membered rings in alkaloids. | 03-18-2010 |
20100081819 | Processes for the synthesis of tertiary amines - The invention provides processes for the preparation of morphinans having a tertiary amine. In particular, the present invention provides processes for the formation of tertiary amine alkaloids by direct N-alkylation of secondary amine alkaloids, the processes co-mediated by an alkylating agent and a protic solvent or a mixture of a protic solvent and an aprotic solvent. | 04-01-2010 |
20100137598 | Process for Preparing Hydrocodone Using a Super Acid - The present disclosure generally relates to a process for converting a fused, tricyclic compound to a fused, tetracyclic compound that includes a furan ring therein. More particularly, the present disclosure related to a process for preparing a hydrocodone compound, or a compound structurally related thereto, and in particular (+)-hydrocodone, by subjecting a structurally corresponding sinomenine starting compound to a super acid-assisted furan ring closure reaction. | 06-03-2010 |
20100216995 | (+)-6-Hydroxy-Morphinan or (+)-6-Amino-Morphinan Derivatives - The present invention provides (+)-morphinanium compounds comprising substituted 6-hydroxy or 6-amine groups. The invention also provides methods for inhibiting microglial activation by administering the compounds of the invention. | 08-26-2010 |
20100216996 | (+)-Morphinanium Quaternary Salts and Processes for their Production - The present invention provides (+)-morphinanium quaternary salts. The invention also provides processes for producing (+)-morphinanium quaternary salts from tertiary N-substituted (+)-morphinan compounds. | 08-26-2010 |
20100216997 | (+)-Morphinanium N-Oxides and Processes for their Production - The present invention provides (+)-morphinanium N-oxide compounds or pharmaceutically acceptable salts thereof. The invention also provides processes for producing (+)-morphinanium N-oxides or pharmaceutically acceptable salts thereof from the corresponding tertiary N-substituted (+)-morphinan compound or pharmaceutically acceptable salt thereof. | 08-26-2010 |
20110015398 | 3-Oxy-Hydromorphone Derivatives - The present invention provides 3-oxy-hydromorphone derivatives, and in particular, 3-ester, 3-carbonate, and 3-sulfonate derivatives of hydromorphone. | 01-20-2011 |
20120116086 | Sinomenine Derivatives and Processes for their Synthesis - The invention generally provides processes and intermediate compounds useful for the production of sinomenine derivatives. In particular, the process may encompass synthetic routes for the production of (+)-sinomenine derivatives and their intermediates. | 05-10-2012 |