Abstract:
Novel uracil substituted phenyl sulfamoyl carboxamides I and salts thereof, where A=oxygen or sulfur; X =H, halogen, C -C -alkyl; X =H, CN, CSâNH , halogen, C -C -alkyl, C -C -haloalkyl; X =H, CN, C -C -alkyl, C -C -alkoxyalkyl, C -C -cycloalkyl, C -C -alkenyl, C -C -alkynyl, optionally substituted benzyl; R , R =H, halogen, optionally substituted hydroxy, C -C -alkyl, C -C -alkenyl, C -C -alkynyl, C -C -cycloalkyl, phenyl, benzyl or C -C -cycloalkenyl, or R +R together with the atom to which they are attached form 3- to 7-membered heterocyclic ring; Q is selected from Q to Q as defined in the description. Use: As herbicides; for the desiccation/defoliation of plants.