O-CARBOXYMETHYL OXIME ETHER COMPOUNDS FOR COMBATING ARTHROPOD PESTS

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The present invention relates to new O-carboxymethyl oxime ether compounds which are useful for combating arthropod pests, in particular insects or arachnids. This object is achieved by compounds of formula (I) as defined below and by the agriculturally or veterinably acceptable salts thereof. The invention also relates to a method for combating arthropod pests. In formula (I) ..... is absent or a covalent bond; k is 0, 1, 2, 3 or 4; Cy is a 5- or 6-membered carbocyclic radical or a heterocyclic radical with 1, 2, 3 or 4 heteroatoms which are selected, from O, N and S; Ra is inter alia halogen, cyano, nitro, hydroxy, C1-C10-alkyl, C1-C10-haloalkyl, C1-C10-alkoxy, (C1-C10-alkyl)carbonyl, NR7R8, CO-NR7R8 and phenoxy, which may be unsubstituted or may carry 1, 2, 3, 4 or 5 substituents, or two vicinal radicals Ra together may also be a bivalent radical, thereby forming a 5- to 7-membered fused heterocycle; R1, R2 and R3 are inter alia hydrogen, C1-C10-alkyl, C1-C10-haloalkyl, C3-C10-cycloalkyl, C2-C10-alkenyl, cyano, nitro, hydroxy, C1-C10-alkoxy, phenyl and pyridyl, wherein the aromatic ring of the 2 last mentioned radicals may be unsubstituted or may carry 1, 2, 3, 4 or substituents; R4 is inter alia hydrogen, halogen, cyano, nitro, hydroxy, C1-C10-alkyl, C1-C10-haloalkyl, C3-C10-cylcoalkyl, C2-C10-alkenyl, C1-C10-alkoxy, (C1-C10-alkyl)carbonyl, NR17R18, CO-NR17R18 or phenoxy, which may be unsubstituted or may carry 1, 2, 3, 4 or 5 substituents Re; or if Cy is phenyl, R2 and R4 together can also form a bivalent radical Z, which is selected inter alia from -O-, -S-, -N(Rb1)-, -O-C(O)-, -O-CH(Rb2)-, -C(O)-N(Rb3)-, -C(Rb5)=N-; R5a is inter alia hydrogen, halogen, cyano, nitro, C1-C10- alkyl, C1-C10-haloalkyl, (C1-C4-alkoxy)-C1-C4-alkyl, C3-C10-cylcoalkyl, C2-C10-alkenyl, C1-C10- alkoxy, pyridyl, phenyl, benzyl and phenoxy, wherein the aromatic ring of the 6 last mentioned radicals may be unsubstituted or may carry 1, 2, 3, 4 or substituents Rf; R5b is hydrogen, halogen, C1-C4-alkyl or C1-C4-alkoxy; or R5a and R5b together can also form a bivalent radical Y; R6 is inter alia hydrogen, C1-C10-alkyl, C1-C10-haloalkyl, C3-C10-cycloalkyl, C1-C4-alkoxy-C1-C10-alkyl, benzyl and hetaryl-C1-C4-alkyl wherein the aromatic ring of the 2 last mentioned radicals may be unsubstituted or may carry 1, 2, 3, 4 or substituents Rh.