| 发明名称 |
Process for the preparation of 1,4-disubstituted-5(4H)-tetrazolinones. |
| 摘要 |
<p>1,4-Disubstituted-5(4H)-tetrazolinones of the formula (I) <CHEM> (wherein R<1>, R<2> and R<3> have the meanings given in the specification), which are known to be useful as herbicides, can be obtained in very good yields by reacting the corresponding 1-substituted-5(4H)-tetrazolinones with the corresponding carbamoyl chlorides in the presence of 4-dimethylaminopyridine. <IMAGE></p> |
| 申请公布号 |
EP0646577(A1) |
申请公布日期 |
1995.04.05 |
| 申请号 |
EP19940114714 |
申请日期 |
1994.09.19 |
| 申请人 |
NIHON BAYER AGROCHEM K.K. |
发明人 |
YANAGI, AKIHIKO;WATANABE, YUKIYOSHI;NARABU, SHIN-ICHI |
| 分类号 |
C07D401/04;C07D257/04;C07D401/06;C07D403/04;C07D403/06;C07D405/04;C07D405/06;C07D409/04;C07D409/06;C07D413/04;C07D413/06;C07D417/04;C07D417/06;(IPC1-7):C07D257/04 |
主分类号 |
C07D401/04 |
| 代理机构 |
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| 地址 |
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