发明名称 |
Method for producing salts of cyclic amidines |
摘要 |
The present invention relates to a process for the production of salts of cyclic amidines of the general formula (I)The processes described hitherto as prior art enable salts of the compound (I) to be produced only at low yields. As a result of protecting omega-amino-alpha-amino acids selectively at the omega-amino function, oxidative decarboxylation of the latter protected compounds by means of halogen derivatives, and subsequent cyclisation of the oxidatively decarboxylated substances with the addition of acid, according to the invention salts of the compound (I) are achieved in better yields.
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申请公布号 |
US6284892(B1) |
申请公布日期 |
2001.09.04 |
申请号 |
US20000555519 |
申请日期 |
2000.06.07 |
申请人 |
DEGUSSA HUELS AKTIENGESELLSCHAFT |
发明人 |
MOST DIETER;DRAUZ KARLHEINZ |
分类号 |
C07D211/72;C07B43/00;C07D207/22;C07D211/68;(IPC1-7):C07D211/56;C07D211/60;C07D207/00 |
主分类号 |
C07D211/72 |
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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