| 发明名称 |
Intermediates for herbicidal sulfonamides |
| 摘要 |
This invention relates to novel o-carbonylbenzenesulfonyl isocyanates and their use as intermediates for the preparation of sulfonylureas which are known to be active herbicides.
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| 申请公布号 |
US4238621(A) |
申请公布日期 |
1980.12.09 |
| 申请号 |
US19790049149 |
申请日期 |
1979.06.18 |
| 申请人 |
DU PONT DE NEMOURS, E I & |
发明人 |
LEVITT, GEORGE |
| 分类号 |
A01N47/28;A01N47/36;C07C311/65;C07D239/46;C07D251/16;C07D251/18;C07D253/06;C07D521/00;(IPC1-7):C07C143/82 |
主分类号 |
A01N47/28 |
| 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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