申请人:Cadila Healthcare Ltd.
公开号:US10112898B2
公开(公告)日:2018-10-30
The present invention relates to an improved process for the preparation of pyrroles derivatives having hypolipidemic and hypocholesteremic activities. In particular, the invention relates to an improved process for the preparation of 2-ethoxy-3-(4-(2-(2-methyl-5-(4-(methylthio)phenyl)-1H-pyrrol-1-yl)ethoxy)phenyl)propanoate and its pharmaceutically acceptable salts, hydrates, solvates, polymorphs or intermediates thereof. The invention also relates to an improved process for the preparation of mesylate compound (A1).
本发明涉及一种制备具有降血脂和降胆固醇活性的吡咯烷衍生物的改进工艺。特别是,本发明涉及一种制备 2-乙氧基-3-(4-(2-(2-甲基-5-(4-(甲硫基)苯基)-1H-吡咯-1-基)乙氧基)苯基)丙酸酯及其药学上可接受的盐、水合物、溶液、多晶型物或中间体的改进工艺。本发明还涉及一种制备甲磺酸盐化合物(A1)的改进工艺。