发明名称 |
Method for the production of 4,6-dichloropyrimidine with the aid of phosgene |
摘要 |
The invention relates to a method for the preparation of 4,6-dichloropyrimidine by reacting 4-chloro-6-methoxypyrimidine with phosgene as chlorinating agent in the presence of a nitrogen-containing auxiliary.
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申请公布号 |
US6441171(B1) |
申请公布日期 |
2002.08.27 |
申请号 |
US20020048087 |
申请日期 |
2002.01.24 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
MAIS FRANZ-JOSEF;CRAMM GUENTHER;KLAUSENER ALEXANDER;STEFFAN GUIDO |
分类号 |
C07D239/30;C07B61/00;C07D237/12;(IPC1-7):C07D239/30 |
主分类号 |
C07D239/30 |
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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