The invention provides analgesic conjugates having a mu opioid receptor agonist linked to a mGluR5 antagonist, and to methods for producing analgesia using such compounds.
and salts thereof are disclosed. Also disclosed are pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I and therapeutic methods using a compound of formula I.
[EN] PROCESS FOR N-DEALKYLATION OF TERTIARY AMINES<br/>[FR] TRAITEMENT DE N-DÉSALKYLATION D'AMINES TERTIAIRES
申请人:RHODES TECHNOLOGIES
公开号:WO2011154826A1
公开(公告)日:2011-12-15
The present disclosure provides improved methods for N-dealkylation of tertiary amines, including methods for N-demethylation of alkaloids and opioids, in which the dealkylation reaction is carried out in a solvent comprising a tertiary alcohol. The present disclosure also provides improved processes for preparing semi-synthetic opioids that incorporate the disclosed methods for N-dealkylation of tertiary amines.
Process for the Preparation of 6-Beta Hydroxy Morphinan Compounds
申请人:Bao Jian
公开号:US20090312552A1
公开(公告)日:2009-12-17
The invention provides processes for the conversion of a 6-keto morphinan to a 6-hydroxy morphinan. In particular, the invention provides a stereoselective process for the conversion of a 6-keto morphinan to a 6-beta-hydroxy morphinan.
PROCESSES AND INTERMEDIATES IN THE PREPARATION OF MORPHINE ANALOGS VIA N-DEMETHYLATION OF N-OXIDES USING CYCLODEHYDRATION REAGENTS
申请人:Brock University
公开号:US20150133665A1
公开(公告)日:2015-05-14
A high-yielding method for the N-demethylation of oxycodone- and oxymorphone-N-oxides by the reaction of these compounds with cyclodehydration reagents has been performed. This method has been utilized to improve the synthesis of various morphine analogs, such as naltrexone, nalbuphone and naloxone.