| 发明名称 |
NOVEL PROCESS FOR THE PREPARATION OF PYRAZOLOPYRIMIDINONES |
| 摘要 |
There is provided a process for the production of a compound of general formula (I), wherein A, R1, R2, R3 and R4 have meanings given in the description, which process comprises the dehydrogenation of a compound of general formula (II).
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| 申请公布号 |
YUP84702(A) |
申请公布日期 |
2005.09.19 |
| 申请号 |
YU2002P000847 |
申请日期 |
2001.06.07 |
| 申请人 |
PFIZER INC. |
发明人 |
BUNNAGE, MARK EDWARD;LEVETT, PHILIP CHARLES;THOMSON, NICHOLAS MURRAY |
| 分类号 |
A61K31/519;A61P15/10;C07B61/00;C07D;C07D213/71;C07D295/26;C07D487/04 |
主分类号 |
A61K31/519 |
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