| 发明名称 |
METHOD FOR THE PRODUCTION OF 4,6-DIAMINOPYRIMIDO 5,4-D]PYRIMIDINES |
| 摘要 |
<p>The present invention relates to a process for preparing 4,6-diaminopyrimido[5,4-d]pyrimidines of formula I,wherein R<1 >to R<4 >have the meanings given in claim 1, as well as new intermediate products which are involved in this process.</p> |
| 申请公布号 |
EP1383770(B1) |
申请公布日期 |
2004.09.22 |
| 申请号 |
EP20020757725 |
申请日期 |
2002.03.26 |
| 申请人 |
BOEHRINGER INGELHEIM PHARMA GMBH & CO.KG |
发明人 |
RALL, WERNER;LOCK, RALF;BELZER, WERNER |
| 分类号 |
C07B61/00;C07D487/04;(IPC1-7):C07D487/04 |
主分类号 |
C07B61/00 |
| 代理机构 |
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