The treatment of pests using certain ethylenically-unsaturated carbonyl compounds

摘要

A pesticidal composition comprising an inert carrier and, as active ingredient, an alpha beta -unsaturated carbonyl compound selected from: (i) compounds of the formula I <CHEM> wherein R<1> is a phenyl group optionally substituted with 1 or 2 chlorine atoms, a naphthyl group or a furyl group optionally substituted by 1 or 2 methyl groups, R<2> is a group selected from phenyl, furyl, thienyl, furfuryl, thien-2-ylmethyl or a group of the formula <CHEM> (vi) 2-cyclohexenone; and (vii) 5-phenyl-3-formyl-pyran-4-one. The composition has use particularly in the treatment of pests such as insects and acarids. The invention also provides compounds of formula I above wherein R<1> is 2-naphthyl and R<2> is furfuryl; or R<1> is phenyl and R<2> is fur-3-yl; or R<2> is fur-3-yl and R<1> is 2,5-dimethylfur-3-yl; or R<1> is phenyl and R<2> is 3,4-methylenedioxyphenyl.