THIOPHENESULFONAMIDE BASED COMPOUND AND HERBICIDE CONTAINING SAID COMPOUND

摘要

NEW MATERIAL:A compound expressed by formula I [either one of X and Y is halogen-substituted alkoxy; -CH2S(O)nR1 (R1 is alkyl; n is 1 or 2), formula II or III and the other is formula IV (A and B are methyl or methoxy; Z is -CH= or -N=)] and a salt thereof. EXAMPLE:N-[(4,6-Dimethoxy-1,3,5-triazin-2-yl)aminocarbonyl]-3-(2--meth oxy-1,2,2- trifluoroethyl)-2-thiophenesulfonamide. USE:A herbicide. PREPARATION:A compound expressed by formula V (either one of X1 and Y1 is halogen-substituted alkoxy, group expressed by formula II, etc., and the other is aminosulfonyl) is reacted with a compound expressed by formula VI (R is alkyl, alkenyl or phenyl) to afford the aimed compound expressed by formula I.