Insecticidal compounds based on isoxazoline derivatives
Compounds of formula III wherein R 1 , R 2 , L, Y 1 , Y 2 , Y 3 , and Y 4 are defined in claim 1.
1. A compound of formula III
wherein
L is a C 1 -C 8 alkylene;
R 1 is hydrogen, C 1 -C 8 alkyl, C 1 -C 8 alkylcarbonyl-, C 1 -C 8 alkoxy, C 1 -C 8 alkoxy-C 1 -C 8 alkyl or C 1 -C 8 alkoxycarbonyl-;
R 2 is hydrogen, C 1 -C 8 haloalkyl or C 1 -C 8 alkyl;
Y 1 is CR 7 R 8 or C═O; and
Y 2 , Y 3 and Y 4 are independently CR 7 R 8 , C═O, N—R 9 , O, S, SO or SO 2 ;
wherein at least two adjacent ring atoms in the ring formed by Y 1 , Y 2 , Y 3 and Y 4 are heteroatoms;
each R 7 and R 8 is independently hydrogen, halogen, C 1 -C 8 alkyl, or C 1 -C 8 haloalkyl;
each R 9 is independently hydrogen, cyano, cyano-C 1 -C 8 alkyl, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkyl where one carbon atom is replaced by O, S, S(O) or SO 2 , or C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl where one carbon atom in the cycloalkyl group is replaced by O, S, S(O) or SO 2 , or C 3 -C 8 cycloalkyl-C 1 -C 8 haloalkyl, C 1 -C 8 hydroxyalkyl, C 1 -C 8 alkoxy-C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, phenyl, phenyl substituted by one to three R 10 , phenyl-C 1 -C 4 alkyl, phenyl-C 1 -C 4 alkyl wherein the phenyl moiety is substituted by one to three R 10 , 5-6 membered heteroaryl-C 1 -C 4 alkyl or 5-6 membered heteroaryl-C 1 -C 4 alkyl wherein the heteroaryl moiety is substituted by one to three R 10 , or C 1 -C 4 alkyl-(C 1 -C 4 alkyl-O—N═)C—CH 2 —; and
each R 10 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 1 -C 8 alkoxy, or C 1 -C 8 haloalkoxy;
or a salt or N-oxide thereof;
wherein the compound is not
2. The compound according to claim 1 , wherein L is C 1 -C 4 alkylene.
3. The compound according to claim 1 , wherein L is methylene.
4. The compound according to claim 3 , wherein Y 3 is N—R 9 and R 9 is cyano, cyano-C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkyl where one carbon atom is replaced by S, S(O) or SO 2 , or C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl where one carbon atom in the cycloalkyl group is replaced by S, S(O) or SO 2 , or C 3 -C 8 cycloalkyl-C 1 -C 8 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, phenyl, phenyl substituted by one to three R 10 , phenyl-C 1 -C 4 alkyl, phenyl-C 1 -C 4 alkyl wherein the phenyl moiety is substituted by one to three R 10 , 5-6 membered heteroaryl-C 1 -C 4 alkyl or 5-6 membered heteroaryl-C 1 -C 4 alkyl wherein the heteroaryl moiety is substituted by one to three R 10 , C 1 -C 4 alkyl-(C 1 -C 4 alkyl-O—N═)C—CH 2 —, and wherein heteroaryl refers to pyridazinyl, pyrimidinyl, pyrazinyl, pyrazolyl, furanyl, thiophenyl, oxazolyl, isoxazolyl or thiazolyl.
5. The compound according to claim 4 , wherein Y 3 is N—R 9 and R 9 is cyclopropyl, cyclobutyl, oxetanyl, thietanyl, trifluoroethyl, difluoroethyl, allyl, propargyl, cyanomethyl, benzyl, benzyl substituted by one to three R 10 .
6. The compound according to claim 5 , wherein each R 10 and R 8 is independently hydrogen, halogen, C 1 -C 4 alkyl, or C 1 -C 4 haloalkyl.
7. The compound according to claim 6 , wherein each R 10 is independently halogen, cyano, nitro, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, or C 1 -C 4 haloalkoxy.
8. The compound according to claim 7 , wherein R 2 is hydrogen, C 1 -C 4 haloalkyl or C 1 -C 4 alkyl.
9. The compound according to claim 8 , wherein R 1 is hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkylcarbonyl-, C 1 -C 4 alkoxy, C 1 -C 4 alkoxy-C 1 -C 4 alkyl or C 1 -C 4 alkoxycarbonyl-.
10. The compound according to claim 9 , wherein Y 4 is C═O.
11. The compound according to claim 10 , wherein Y 2 is O.
12. The compound according to claim 1 , wherein Y 3 is N—R 9 and R 9 is cyano, cyano-C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkyl where one carbon atom is replaced by S, S(O) or SO 2 , or C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl where one carbon atom in the cycloalkyl group is replaced by S, S(O) or SO 2 , or C 3 -C 8 cycloalkyl-C 1 -C 8 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, phenyl, phenyl substituted by one to three R 10 , phenyl-C 1 -C 4 alkyl, phenyl-C 1 -C 4 alkyl wherein the phenyl moiety is substituted by one to three R 10 , 5-6 membered heteroaryl-C 1 -C 8 alkyl or 5-6 membered heteroaryl-C 1 -C 4 alkyl wherein the heteroaryl moiety is substituted by one to three R 10 , C 1 -C 4 alkyl-(C 1 -C 4 alkyl-O—N═)C—CH 2 —, and wherein heteroaryl refers to pyridazinyl, pyrimidinyl, pyrazinyl, pyrazoyl, furanyl, thiophenyl, oxazolyl, isoxazolyl or thiazolyl.
13. The compound according to claim 12 , wherein Y 3 is N—R 9 and R 9 is cyclopropyl, cyclobutyl, oxetanyl, thietanyl, trifluoroethyl, difluoroethyl, allyl, propargyl, cyanomethyl, benzyl, benzyl substituted by one to three R 10 .