申请人:SHANGHAI SYNCORES TECHNOLOGIES, INC.
公开号:US20160304452A1
公开(公告)日:2016-10-20
Provided is a method for preparing silodosin. Also provided is a method for preparing an organic acid salt of a new intermediate 3-(7-cyano-5-((R)-2-((R)-1-phenylethylamino)propyl)-1-hydrogen-indolyl) propyl alcohol (ester or ether), and a new intermediate 3-(7-cyano-5-((R)-2-(((R)-1-phenethyl)(2-(2-(trifluoroethoxy)phenoxy) ethyl)amino)propyl)1-hydrogen-indolyl)propyl alcohol (ester or ether) and a salt thereof. The method has the following advantages: raw materials are cheap and easy to obtain, the operation is simple, the intermediate and product are easy to purify, the yield is high, and the method is applicable to industrial production.
提供了一种制备硅唑洛辛的方法。同时提供了一种制备新中间体3-(7-氰基-5-((R)-2-((R)-1-苯乙胺基)丙基)-1-氢吲哚基)丙醇(酯或醚)的有机酸盐的方法,以及新中间体3-(7-氰基-5-((R)-2-(((R)-1-苯乙基)(2-(2-(三氟乙氧基)苯氧基)乙基)氨基)丙基)1-氢吲哚基)丙醇(酯或醚)及其盐的制备方法。该方法具有以下优点:原材料便宜易得,操作简单,中间体和产物易于纯化,产率高,适用于工业生产。