| 发明名称 |
Process for the Preparation of Pure Anastrozole |
| 摘要 |
The present invention relates to the improved process for the preparation of Anastrozole free from the impurities arising due to impure 3,5-bis-(1-cyano-1-methylethyl)benzylbromide (2) and other related impurities resulting from incomplete/over-reaction of 2,2-(5-methyl-1,3-phenylene)-bis(2-methylpropionitrile (I).
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| 申请公布号 |
US2009221837(A1) |
申请公布日期 |
2009.09.03 |
| 申请号 |
US20060992708 |
申请日期 |
2006.09.04 |
| 申请人 |
SOLANKI KIRTIPALSINH SAIJANSINH;PAL GAUTAM;HAIDER HUSSAIN;SINGH MANOJ KUMAR;KOTHARI JAY SHANTILAL;AGARWAL VIRENDRA KUMAR |
发明人 |
SOLANKI KIRTIPALSINH SAIJANSINH;PAL GAUTAM;HAIDER HUSSAIN;SINGH MANOJ KUMAR;KOTHARI JAY SHANTILAL;AGARWAL VIRENDRA KUMAR |
| 分类号 |
C07D249/08;C07C255/51 |
主分类号 |
C07D249/08 |
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