| abstract |
ABSTRACT OF THE DISCLOSURE Disclosed herein are N-substituted-3-(nitrogen-containing 5-membered ring)benzenesulfonamide derivatives of the formula (I): (I) wherein is , , , or ; R1 is H, C1, C`-C3 alkyl or C`-C4 alkoxycarbonyl; Z is CH or N; x1 is C1-C3 alkyl, C1-C3 alkoxyl or C1; and X2 is C1-C3 alkyl or C1-C3 alkoxyl, a process for the prepara-tion thereof, and herbicidal compositions containing the N-substituted-3-(nitrogen-containing 5-membered ring)-benzenesulfonamide derivatives as active ingredients. |