| abstract |
Compounds of the formula and possible isomers and isomeric mixtures thereof, in which formula or x is n-atom and y is an or n (r12) r13, or x is cn and y is orn, and furthermore r11 is C1-C4 alkyl; r12 and r13 independently represent hydrogen or C1-C4 alkyl; a is an o-atom or the group # 4; r 1 is hydrogen, C 1 -C 4 alkyl, halo-C 1 -C 4 alkyl, cyclopropyl, cyano or methylthio; R 2 is hydrogen, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, the group or thienyl; R 3 is hydrogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl containing from 1 to 5 halogen atoms, C 1 -C 4 alkoxy-C 1 -C 2 alkyl, C 2 -C 4 alkenyl-C 1 -C 2 alkyl which is unsubstituted or substituted with 1 to 3-halo, C 2 -C 4 alkynyl-C 1 -C 2 alkyl, C 3 -C 6 cycloalkyl which is unsubstituted or substituted with 1 to 4 halogen atoms, C 3 -C 6 cycloalkyl-C 1 -C 4 alkyl which is unsubstituted or substituted by 1 to 4 halogen cyano-C1-C4alkyl; C 1 -C 4 alkoxycarbonyl-C 1 -C 2 alkyl, C 1 -C 4 alkoxycarbamoyl-C 1 -C 2 alkyl, phenyl-C 1 -C 3 alkyl which is unsubstituted or substituted with halogen, C 1 -C 3 alkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkyl, cyano, nitro, or C 1 -C 4 alkylenedioxy, the phenyl group being optionally monosubstituted to trisubstituted by the same or different substituents, phenyl which is unsubstituted or monodisubstituted individually with C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen, C 1 -C 2 haloalkyl containing from 1 to 3 halogen atoms, nitro or cyano or pyridyl which is unsubstituted or monosubstituted to disubstituted independently with C1-C4 lkil, C1-C4alkoxy, halogen, C1-C2 haloalkyl containing from 1 to 3 halogen atoms, nitro or cyano; r4 is C1-C4 alkyl, f |