N-propargyl-N-(2-trifluoromethylbenzoyl)-3-substituted benzenesulfonamide and selective herbicide containing the same as an active ingredient

摘要

There are disclosed an N-propargyl-N-(2-trifluoromethylbenzoyl)-3-substituted benzenesulfonamide represented by the general formula: <IMAGE> wherein R1 represents a halogen atom, a lower alkyl group, a lower alkoxy group, a perfluoro-lower alkyl group having 1 to 4 carbon atoms, a nitro group, a cyano group, a carboxyl group or a lower alkoxycarbonyl group; and R2 represents a hydrogen atom, a halogen atom, a lower alkyl group, a perfluoro-lower alkyl group having 1 to 4 carbon atoms, a lower alkoxy group, a nitro group, a cyano group, a carboxyl group or a lower alkoxycarbonyl group, and a selective herbicide containing the same as an active ingredient.