发明申请
- 专利标题： Process for Preparing Atazanavir Sulphate
- 专利标题（中）： 制备阿扎那韦硫酸盐的方法
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申请号： US14767054申请日： 2014-02-12
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公开(公告)号： US20160002166A1公开(公告)日： 2016-01-07
- 发明人: Rajendra Narayanrao KANKAN , Srinivas Laxminarayan PATHI , Venugopalarao CHINIMILLI
- 申请人： CIPLA LIMITED
- 优先权： IN423/MUM/2013 20130212
- 国际申请： PCT/GB2014/050404 WO 20140212
- 主分类号： C07D213/58
- IPC分类号： C07D213/58
摘要：
The present invention relates to a process for the preparation of Compound (A): wherein the process comprises contacting atazanavir base (Compound (II)) with sulphuric acid in a combination of two or more solvents and isolating compound (A). The present invention also relates to substantially pure Compound (A), and to Compound (A) devoid of mesityl oxide impurity. Mesityl oxide has the following formula:
公开/授权文献
- US09890121B2 Process for preparing atazanavir sulphate 公开/授权日：2018-02-13
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