| 发明名称 |
OXIDATION PROCESS FOR PREPARING THE INTERMEDIATE 6.ALPHA.,9.ALPHA.-DIFLUORO-11.BETA.,17.ALPHA.-DIHYDROXY-16.ALPHA.-METHYL-ANDROST-1,4-DIEN-3-ONE 17.BETA.-CARBOXYLIC ACID |
| 摘要 |
The present invention relates to a process for the preparation of a compound of formula (I) which comprises the following step: wherein step (a) comprises oxidation of a solution containing the compound of formula (II) wherein the solution is formed in a mixture of water and tetrahydrofuran. |
| 申请公布号 |
EP1301526(A1) |
申请公布日期 |
2003.04.16 |
| 申请号 |
EP20010949791 |
申请日期 |
2001.07.20 |
| 申请人 |
GLAXO GROUP LIMITED |
发明人 |
ALBINSON, FREDERICK DAVID;COOTE, STEVEN JOHN;ROBINSON, JOHN MALCOLM |
| 分类号 |
C07J3/00;C07J5/00;C07J17/00;C07J31/00;(IPC1-7):C07J5/00 |
主分类号 |
C07J3/00 |
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