| abstract |
New phenyl alkynyl ethers of the formula <IMAGE> in which R1 is hydrogen, C1-C4-alkyl, halogen, C1-C4-alkoxy, C3-C4-alkenyloxy, C3-C5-alkynyloxy, trifluoromethyl, nitro or cyano; R2 is hydrogen, C1-C4-alkyl, halogen, C1-C4-alkoxy, trifluoromethyl, nitro or together with R1 methylenedioxy; R3 is hydrogen, C1-C4 alkyl or halogen; R4 is hydrogen or C1-C4 alkyl; R5 is hydrogen or C1-C4 alkyl; R6 is hydrogen, C1-C4-alkyl or together with R5 the - (- CH2-) 3- or - (- CH2) 4 group and n is one of the numbers 1, 2 or 3; Process for the preparation of these compounds and compositions containing them for use in pest control, in particular for combating insects infesting plants and animals. The new compounds have ovicidal and ovolarvicidal activity; they also show synergistic activity with known insecticides. |