Alkenyl- or heteroaryl thio, sulfone, sulfoxy herbicides.

摘要

Herbicidal alkenyl or heteroaryl sulphone. Herbicides of the formula: <IMAGE> in which: n = 0, 1, 2 f = 0, 1 A is chosen from the groups <IMAGE> in which: Ar is chosen from the groups <IMAGE> B is chosen from optionally substituted C2-C10 alkenyl groups or chosen from optionally substituted thiophene, furan, pyrrole, thiazole, isothiazole, oxazole or isoxazole groups. X being oxygen or sulphur, Y being halogen or sulphonate, Z being hydrogen or ester, U and V being halogens.