发明名称 Diphenyl ether herbicides.
摘要 <p>Phenoxy phthalide derivatives having the general formula II: &lt;CHEM&gt; 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
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