| abstract |
Process for the preparation of N- (heterocycloaminocarbonyl) sulfonamides with herbicidal properties, having the general formula I: (see form in desc.) Wherein R represents: (see form in desc.) R1 represents one of the radicals: (see form . R3 and R6 represent, independently of each other, hydrogen, fluorine, chlorine, chlorine, bromine, iodine, alkyl having 1 ... 4 carbon atoms, alkoxy having 1 ... 4 carbon atoms, nitro , trifluoromethyl, cyano, CH 3 S (O) n- or CH 3 CH 2 S (O) -; R 4 represents hydrogen, fluorine, chlorine, bromine, or methyl; R 5 represents hydrogen, fluorine, chlorine, bromine, methyl, or methoxy, R 7 represents hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 2 carbon atoms or alkoxy of 1 to 2 carbon atoms; R3 represents hydrogen, methyl, chlorine or bromine; Rg and R10 represent, independently of one another, hydrogen, methyl, chlorine or bromine; W and Q independently represent oxygen or sulfur; n represents 0.1 or 2; X independently represents oxygen or sulfur; n represents hydrogen ...... |