发明授权
- 专利标题： Herbicidal compounds
- 专利标题（中）： 除草剂
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申请号： US09320582申请日： 1999-05-27
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公开(公告)号： US06291400B1公开(公告)日： 2001-09-18
- 发明人: John E D Barton , David Cartwright , John M Cox , Glynn Mitchell , Charles G Carter , David L Lee , Francis H Walker , Frank X Woolard
- 申请人： John E D Barton , David Cartwright , John M Cox , Glynn Mitchell , Charles G Carter , David L Lee , Francis H Walker , Frank X Woolard
- 优先权： GB8706557 19870319; GB8712038 19870421; GB8712037 19870521; GB8715044 19870626; GB8729108 19871214
- 主分类号： C07C49417
- IPC分类号： C07C49417
摘要：
A compound of formula (I): or a salt, enamine or the like, acylate, sulphonate, carbamate or ether derivative thereof; wherein X, X1 and X2 are independently oxygen or sulphur, R1 is an optionally substituted heterocyclic or cycloalkyl group, and Y is an optionally substituted C2-C4 alkylene group which is optionally interposed by an oxygen atom, a group a group or an optionally mono-substituted nitrogen atom, wherein p is 0, 1 or 2, s is 0 or 1 and Rb is alkyl or alkoxy; provided that when X, X1 and X2 are oxygen, R1 is not pyridyl or pyrimidinyl. Processes for the preparation of these compounds and herbicidal compositions containing them are also described and claimed.
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