abstract |
Compounds of formula n n n wherein n A is an unsubstituted or substituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic radical wherein a ring nitrogen atom may have been replaced by a group n n n R 1 is hydrogen or C 1 -C 3 alkyl; n R 2 is hydrogen or C 1 -C 3 alkyl; n R 3 is hydrogen, an unsubstituted or substituted C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, C 2 -C 6 alkenyl or C 2 -C 6 alkynyl group, or C (═O)—R 5 , n R 5 is C 1 -C 4 alkyl, C 1 -C 4 alkoxy, an unsubstituted or substituted phenyl, phenoxy or benzyloxy group, or N(R 6 ) 2 , n each R 6 , independently of the other, is hydrogen, C 1 -C 4 alkyl or unsubstituted or substituted phenyl, n X is CH—NO 2 , N—CN or N—NO 2 and n n is from 1 to 3, n in free form or in salt form, and, where appropriate, tautomers of those compounds and the salts thereof, can be used as agrochemical active ingredients and can be prepared in a manner known per se. |