N-phenylsulfonyl-N'-pyrimidinylureas

An N-phenylsulfonyl-N'-pyrimidinylurea of the formula ##STR23## wherein A is a radical of the formula --C.tbd.O--K,

• m is 1 or 2,
• Z is oxygen or sulfur,
• R is hydrogen, branched or unbranched C.sub.1 -C.sub.9 alkyl which is unsubstituted or substituted by halogen, hydroxyl, C.sub.1 C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkoxy, C.sub.3 -C.sub.9 cycloalkyl, cyano, --COOR.sub.6, --CONR.sub.7 R.sub.8 or by phenyl which is in turn unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, nitro, cyano or trifluoromethyl;
• or is C.sub.3 -C.sub.9 cycloalkyl which is unsubstituted or substituted by halogen, hydroxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, cyano, --COOR.sub.6, --CONR.sub.7 R.sub.8 ;
• or is phenyl or phenyl substituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, trifluoromethyl, --COOR.sub.6 or --CONR.sub.7 R.sub.8 ;
• or is a 5- or 6-membered heterocyclic ring selected from the group consisting of furan, thiophene, pyrrole, pyrazole, triazole, pyridine, pyrimidine, pyridazine, triazine, thiazole, oxazole, thiadiazole and oxadiazole, which is unsubstituted or substituted by halogen, C.sub.1 -C.sub.4 alkyl C.sub.1 -C.sub.4 alkoxy, --COOR.sub.6 or --CONR.sub.7 R.sub.8,
• R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or a radical --Y--R.sub.5,
• R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.1 -C.sub.4 haloalkyl, a radical --Y--R.sub.5, --COOR.sub.6, --NO.sub.2 or --CO--NR.sub.7 --R.sub.8,
• R.sub.3 and R.sub.4, each independently of the other, are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkylthio, halogen, C.sub.2 -C.sub.5 alkoxyalkyl, --NR.sub.9 R.sub.10 or --O--CH.sub.2 --CH.sub.2 --NR.sub.9 R.sub.10,
• R.sub.5 and R.sub.6, each independently of the other, are C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkynyl, C.sub.1 -C.sub.5 haloalkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkoxyalkyl,
• R.sub.7 and R.sub.8, each independently of the other, are hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkynyl,
• R.sub.9 is hydrogen, methyl or ethyl,
• R.sub.10 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, methoxymethyl, cyanomethyl, cyanoethyl, C.sub.3 -C.sub.5 alkenyl or C.sub.3 -C.sub.6 alkynyl, and
• Y is oxygen, sulfur, a sulfinyl or sulfonyl bridge, or a salt thereof.