| 发明名称 |
PROCESS FOR PREPARATION OF CELECOXIB |
| 摘要 |
There is provided a process for preparation of celecoxib by reacting 4,4,4-trifluoro-1-[4-(methyl)phenyl]butane-1,3-dione with 4-sulphonamidophenylhydrazine or its salt in a solvent medium that contains an alkyl ester. There is also provided a process for the purification of celecoxib using aromatic hydrocarbon solvents.
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| 申请公布号 |
US2008234491(A1) |
申请公布日期 |
2008.09.25 |
| 申请号 |
US20080051059 |
申请日期 |
2008.03.19 |
| 申请人 |
ANUMULA RAGHUPATHI REDDY;GILLA GOVERDHAN;ALLA SAMPATH;AKKI THIRUPATHI REDDY;BOJJA YAKAMBRAM |
发明人 |
ANUMULA RAGHUPATHI REDDY;GILLA GOVERDHAN;ALLA SAMPATH;AKKI THIRUPATHI REDDY;BOJJA YAKAMBRAM |
| 分类号 |
C07D231/14;C07C243/10;C07C311/16 |
主分类号 |
C07D231/14 |
| 代理机构 |
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代理人 |
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