Pyridine derivatives compounds for controlling invertebrate pests
The present invention relates to methods and uses of compounds of formulae I or II and the salts and N-oxides thereof, wherein A is a substituted or unsubstituted 5-membered heterocyclic radical; X 1 is S, O or NR 1a , wherein R 1a is selected from H, C 1 -C 10 -alkyl and the like; X 2 is OR 2a , NR 2b R 2c , S(O) m R 2d ; X 2 is OR 2a , NR 2b R 2c , S(O) m R 2d , wherein m is 0, 1 or 2, R 2a is C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl and the like, R 2b , R 2c are H, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl and the like; X 3 is a lone pair or oxygen; R 1 , R 2 and R 3 are, inter alia, hydrogen, and R 1 is H, C 1 -C 10 -alkyl and the like. The present invention further relates to a method for controlling invertebrate pests, to a method for protecting plant propagation material and/or the plants which grow therefrom, to plant propagation material, comprising at least one compound according to the present invention, to a method for treating or protecting an animal from infestation or infection by parasites and to an agricultural composition containing at least one compound according to the present invention.
1. A method for controlling and/or combating insects which method comprises treating the insects, their food supply, their habitat or their breeding ground or a plant, seed, soil, area, material or environment in which the insects are growing or may grow, or the materials, plants, seeds, soils, surfaces or spaces to be protected from insect attack or infestation with a pesticidal effective amount of a compound of formula (I), or a salt or an N-oxide thereof:
wherein
A is an isoxazole or isothiazole radical of formula A1a, A2a, or A3a
# denotes the bonding site to the remainder of formula (I)
X 3 is a lone pair or oxygen;
Z is O or S;
R 1 is hydrogen, C 1 -C 3 -alkyl or C 1 -C 4 -alkylene-CN;
R 2 is hydrogen, methyl, difluoromethyl, trifluoromethyl, methoxy, difluoromethoxy or trifluoromethoxy;
R 3 is hydrogen, methyl, difluoromethyl, trifluoromethyl, methoxy, difluoromethoxy or trifluoromethoxy;
R 41a , R 43a , R 52a , and R 53a are independently selected from the group consisting of hydrogen, halogen, CN, NO 2 , C 1 -C 10 -alkyl, C 3 -C 10 -cycloalkyl, C 5 -C 10 -cycloalkenyl, C 3 -C 10 -cycloalkylmethyl, C 2 -C 10 -alkenyl, C 2 -C 10 -alkynyl, wherein the aliphatic or cyclic moieties in the 6 last mentioned radicals may be unsubstituted, may be partially or fully halogenated, or may carry 1 or 2 identical or different substituents R y wherein
R y is selected from halogen, cyano, nitro, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, S(O) m R d , S(O) m NR e R f , C 1 -C 4 -alkylcarbonyl, C 1 -C 4 -haloalkylcarbonyl, C 1 -C 4 -alkoxycarbonyl, C 1 -C 4 -haloalkoxycarbonyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -halocycloalkyl, C 2 -C 4 -alkenyl, C 2 -C 4 -haloalkenyl, C 2 -C 4 -alkynyl and C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl wherein m is 0, 1 or 2 and R d C 1 -C 4 -alkyl or C 1 -C 4 -haloalkyl;
with the proviso that either R 41a or R 51a is H if Z is O;
R 42a is selected from the group consisting of hydrogen, halogen, NO 2 , C 1 -C 10 -alkyl, C 3 -C 10 -cycloalkyl, C 5 -C 10 -cycloalkenyl, C 3 -C 10 -cycloalkylmethyl, C 2 -C 10 -alkenyl, C 2 -C 10 -alkynyl, wherein the aliphatic or cyclic moieties in the 6 last mentioned radicals may be unsubstituted, may be partially or fully halogenated;
X 1 is O.
2. The method as claimed in claim 1 , wherein the pesticidal compound is a compound of the formula (I), wherein R 1 is hydrogen, methyl or ethyl.
3. The method as claimed in claim 1 , wherein in formula (I) A is a radical A1a, R 41a and R 51a are independently selected from the group consisting of hydrogen, halogen, C 1 -C 10 -alkyl, C 3 -C 10 -cycloalkyl, C 2 -C 10 -alkenyl and C 2 -C 10 -alkynyl, wherein the aliphatic or cyclic moieties in the 4 last mentioned radicals may be unsubstituted, may be partially or fully halogenated or may carry 1 or 2 identical or different substituents R y wherein
R y is selected from halogen, cyano, nitro, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, S(O) m R d , S(O) m NR e R f , C 1 -C 4 -alkylcarbonyl, C 1 -C 4 -haloalkylcarbonyl, C 1 -C 4 -alkoxycarbonyl, C 1 -C 4 -haloalkoxycarbonyl, C 3 -C 6 -cycloalkyl, C 3 -C 6 -halocycloalkyl, C 2 -C 4 -alkenyl, C 2 -C 4 -haloalkenyl, C 2 -C 4 -alkynyl and C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl wherein m is 0, 1 or 2 and R d C 1 -C 4 -alkyl or C 1 -C 4 -haloalkyl.
4. The method as claimed in claim 1 , wherein the insects are of the order Homoptera.