发明名称 |
New storage stable phosphoric acid salt of N-methyl-o-phenylenediamine, useful as intermediate for e.g. heteroaromatic compounds containing two nitrogen atoms, e.g. benzimidazoles of pharmacological interest |
摘要 |
Phosphoric acid salt (I) of N-methyl-o-phenylenediamine is new. An Independent claim is also included for the preparation of (I).
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申请公布号 |
DE19917526(C1) |
申请公布日期 |
2000.07.27 |
申请号 |
DE19991017526 |
申请日期 |
1999.04.17 |
申请人 |
BOEHRINGER INGELHEIM PHARMA KG |
发明人 |
SCHNEIDER, HEINRICH |
分类号 |
C07C211/50;C07C209/90;C07C211/51;(IPC1-7):C07C211/51;C01B25/18;C07C209/36 |
主分类号 |
C07C211/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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