发明名称 |
METHOD FOR PRODUCTION OF 1,3-DISUBSTITUTED 2-NITROGUANIDINES |
摘要 |
<p>The present invention relates to a process for the preparation of compounds of the formula (I)by reacting compounds of the formula (II)in whichHet, R1, R2 and R4 are as defined in the description,with anhydrous hydrogen chloride or compounds which generate hydrogen chloride.</p> |
申请公布号 |
EP1242390(B1) |
申请公布日期 |
2004.08.11 |
申请号 |
EP20000983274 |
申请日期 |
2000.12.08 |
申请人 |
BAYER CROPSCIENCE AG |
发明人 |
VAN LAAK, KAI;SIRGES, WOLFRAM;WOLLWEBER, DETLEF |
分类号 |
C07D277/20;C07D213/61;C07D251/08;C07D277/32;C07D307/14;C07D307/34;(IPC1-7):C07D251/08 |
主分类号 |
C07D277/20 |
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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