Sulfonamide and herbicide containing the same as active ingredient.

摘要

Disclosed herein is a sulfonamide compound represented by the formula (I): <CHEM> wherein A represents a phenyl group which may be substituted, B represents a phenyl group which may be substituted, R represents a lower alkyl group, a lower alkoxy group or a lower haloalkyl group, W represents a hydroxyl group or a halogen atom, and Z represents a halogen atom, a lower alkylsulfonyloxy group which may be substituted, or a phenylsulfonyloxy group which may be substituted, and a herbicidal composition-containing the sulfonamide compound as an effective ingredient.