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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Conorfone ： ウィキペディア英語版 Conorfone Conorfone (INN; TR-5109), also known as conorphone and codorphone, as well as conorphone hydrochloride (USAN), is an opioid analgesic that was never marketed. It is an analogue of hydrocodone substituted with an 8-ethyl group and an ''N''-cyclopropylmethyl group. It acts as a mixed agonist-antagonist at the μ-opioid receptor, and is slightly more potent than codeine in analgesic effects but associated with somewhat greater side effects. ==Synthesis== Exposure of thebaine (1) to mild acid leads to hydrolysis of the enol ether function followed by migration of the double bond to yield the conjugated enone (2). Addition of lithium diethylcuprate proceeds by 1,4-addition from the less hindered side to give the intermediate 3. Treatment of that with cyanogen bromide under von Braun reaction conditions leads to the isolable aminocyanide. This is the converted to the secondary amine (4) by treatment with aqueous base. Alkylation of that intermediate with cyclopropylmethyl chloride affords the analgesic codorphone (5). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Conorfone」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.