发明授权
US5294639A .alpha.-arylacrylic acid derivatives, their preparation and their use for controlling pests and fungi 失效
α-芳基丙烯酸衍生物,它们的制备及其用于防治害虫和真菌的用途

.alpha.-arylacrylic acid derivatives, their preparation and their use
for controlling pests and fungi
摘要:
Abstract of the Disclosure: .alpha.-Arylacrylic acid derivatives of the general formula I ##STR1## where X is ethylene or ethenylene;Y is a direct bond or oxygen;R.sup.1 is an unsubstituted or substituted mononuclear or dinuclear aromatic or heteroaromatic system;R.sup.2 is cyano, nitro, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio or haloalkylthio;n is 1 or 2, and the radicals may be different if n is 2, and(c m is 0, 1 or 2, and the radicals may be different if m is 2,with the proviso that R.sup.1 is not phenyl when n is 1 and m is 0, their preparation, insecticides and fungicides containing them and methods for their use.
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