| 摘要 |
Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds of formula (I) wherein Ar is phenyl, 1- or 2-naphtyl or a 5- or 6-membered heteroaromatic ring all of which aromatic systems may be optionally substituted; is C2-C6-alkenyl, C4-C 6- cycloalkenyl or C1-C2-alkoxy-C2-C6-alkyl; and Ar1 is phenoxyphenyl, phenyl, biphenyl, phenoxypyridyl, benzylpyridyl, benzylphenyl, benzoylphenyl, 1- or 2- naphthyl, or a 5 or 6-membered heteroaromatic ring all of which aromatic systems may be optionally substituted, intermediates and methods for the preparation of compounds of formula (I) and compositions and methods comprising the compounds and compositions for the control of insect and acar id pests.
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