申请人:RUSAN PHARMA LIMITED
公开号:US20140364612A1
公开(公告)日:2014-12-11
There is provided an efficient industrial process for the preparation of 21-cyclopropyl-7α-(2-hydroxy-3,3-dimethyl-2-butyl)-6,14-endo-ethano-6,7,8,14-tetrahydro-oripavine, i.e. buprenorphine of Formula-I in high yield and purity, with enhanced safety and eco-friendly norms. The invention further relates to an improved process for preparation of intermediates thereof in high yield and purity.
提供了一种高效的工业过程,用于制备高产量和纯度的21-环丙基-7α-(2-羟基-3,3-二甲基-2-丁基)-6,14-内环乙烯-6,7,8,14-四氢吗啡,即化合物I的丁丙啡,具有增强的安全性和环保标准。该发明还涉及一种改进的工艺,用于高产量和纯度制备其中间体。