| 发明名称 |
Process for Preparing Atazanavir Sulphate |
| 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:; |
| 申请公布号 |
US2016002166(A1) |
申请公布日期 |
2016.01.07 |
| 申请号 |
US201414767054 |
申请日期 |
2014.02.12 |
| 申请人 |
CIPLA LIMITED |
发明人 |
KANKAN Rajendra Narayanrao;PATHI Srinivas Laxminarayan;CHINIMILLI Venugopalarao |
| 分类号 |
C07D213/58 |
主分类号 |
C07D213/58 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. 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). |
| 地址 |
Mumbai IN |
