申请人:Aurobindo Pharma Ltd.
公开号:US20160108058A1
公开(公告)日:2016-04-21
The present invention provides (R)-3-Amino-1-butanol (D)-tartarate (IIb); process for its preparation and its conversion to Dolutegravir. The present invention also provides an improved process for the preparation of Dolutegravir (I) or pharmaceutically acceptable salts wherein compound (XVI) is reacted with an optically active acid addition salt of (R)-3-amino-1-butanol (IIa).
本发明提供(R)-3-氨基-1-丁醇(D)-酒石酸盐(IIb);其制备方法以及其转化为多糖格拉韦的方法。本发明还提供了一种改进的多糖格拉韦(I)或药学上可接受的盐的制备方法,其中化合物(XVI)与(R)-3-氨基-1-丁醇(IIa)的光学活性酸盐进行反应。