发明名称 |
Diphenyl ether herbicides. |
摘要 |
<p>Phenoxy phthalide derivatives having the general formula II: <CHEM> wherein R1 represents a hydrogen or halogen atom or an alkyl or haloalkyl group; R2 and R3, which may be the same or different, each independently represents a hydrogen or halogen atom or an alkyl, haloalkyl, nitro or cyano group; each group R4 represents an an identical alkenyl or alkynyl group; and X represents an oxygen or sulphur atom; together with their preparation, and use as herbicides.</p> |
申请公布号 |
EP0265020(A1) |
申请公布日期 |
1988.04.27 |
申请号 |
EP19870202009 |
申请日期 |
1987.10.19 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
CLARK, MICHAEL THOMAS;RAVEN, CLIVE ALAN;GILMORE, IAN JAMES |
分类号 |
A01N43/12;C07D307/87;C07D307/88 |
主分类号 |
A01N43/12 |
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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