| 发明名称 |
METHOD FOR THE PRODUCTION OF 4,6-DIAMINOPYRIMIDO[5,4-D]PYRIMIDINES |
| 摘要 |
The invention relates to a method for the production of 4,6- diaminopyrimido[5,4-d]pyrimidines of formula 1, where R1 to R4 have the meanings given in claim 1 and novel intermediates used in said method.</SDOA B>
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| 申请公布号 |
CA2442061(A1) |
申请公布日期 |
2002.10.10 |
| 申请号 |
CA20022442061 |
申请日期 |
2002.03.26 |
| 申请人 |
BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG |
发明人 |
LOCK, RALF;BELZER, WERNER;RALL, WERNER |
| 分类号 |
C07B61/00;C07D487/04;(IPC1-7):C07D487/04 |
主分类号 |
C07B61/00 |
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