[EN] A NOVEL PROCESS FOR THE PREPARATION OF 3-(BENZYLOXY)- BENZENETHIOL, A KEY INTERMEDIATE FOR THE PREPARATION OF PHARMACEUTICAL DRUGS.<br/>[FR] NOUVEAU PROCÉDÉ DE PRÉPARATION DE 3-(BENZYLOXY)-BENZÈNETHIOL, UN INTERMÉDIAIRE CLÉ POUR LA PRÉPARATION DE MÉDICAMENTS PHARMACEUTIQUES
申请人:ARCH PHARMALABS LTD
公开号:WO2012073249A1
公开(公告)日:2012-06-07
Disclosed herein is an efficient and economical process for the preparation of 3-Benzyloxybenzenethiol of formula-I which is a key intermediate for the preparation of pharmaceutical drugs. R' is hydrogen, halogen, trihalomethyl, lower alkoxy having 1-4 carbon atoms, lower alkyl having 1-7 carbon atoms, substituted or unsubstituted arylalkyl or substituted or arylloxy and the like. R" is hydrogen, halogen, trihalomethyl, lower alkoxy having 1-4 carbon atoms, lower alkyl having 1-7 carbon atoms, substituted or unsubstituted arylalkyl or substituted or arylloxy and the like.
本文揭示了一种高效且经济的过程,用于制备公式I中的3-苄氧基苯硫醇,该化合物是制备药物的关键中间体。R'代表氢、卤素、三卤甲基、含有1-4个碳原子的低烷氧基、含有1-7个碳原子的低烷基、取代或未取代的芳基烷基或取代或芳基氧基等。R"代表氢、卤素、三卤甲基、含有1-4个碳原子的低烷氧基、含有1-7个碳原子的低烷基、取代或未取代的芳基烷基或取代或芳基氧基等。