Sulfonylureas

Details Sulfonylureas Sulfonylureas

1993-02-08

1994-02-15

Ford, John M.

Plant protecting and regulating compositions

Plant growth regulating compositions

Organic active compound containing

544311, 544317, 544319, 544327, 544329, 544312, C07D23969, A01N 4354

Patent

active

052867099

ABSTRACT:
N-Phenylsulfonyl-N'-pyrimidinylureas and -thioureas of formula I ##STR1## in which X is oxygen, sulfur, SO or SO.sub.2 ; W is oxygen or sulfur; R.sub.1 is hydrogen or methyl; R.sub.2 is hydrogen, fluorine, chlorine, bromine, iodine, (X).sub.n R.sub.3, NO.sub.2, NR.sub.4 R.sub.5,--C.tbd.CR.sub.6, ##STR2## or cyano; n is the number 0 or 1; R.sub.3 is C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkyl which is substituted by 1-4 halogen atoms, C.sub.1 -C.sub.3 alkoxy or C.sub.1 -C.sub.3 alkylthio; or C.sub.2 -C.sub.4 alkenyl or C.sub.2 -C.sub.4 alkenyl which is substituted by 1-4 halogen atoms; R.sub.4 is hydrogen, CH.sub.3 O, CH.sub.3 CH.sub.2 O or C.sub.1 -C.sub.3 alkyl; R.sub.5 is hydrogen or C.sub.1 -C.sub.3 alkyl; R.sub.6 is hydrogen, methyl or ethyl; R.sub.7 is hydrogen or methyl; Z is ##STR3## R.sub.10 is hydrogen, fluorine, chlorine, methyl, trifluoromethyl, CH.sub.3 O, CH.sub.3 CH.sub.2 O, CH.sub.3 S, CH.sub.3 SO, CH.sub.3 SO.sub.2 or cyano; R.sub.11 is methyl, ethyl, CH.sub.3 O, CH.sub.3 CH.sub.2 O, fluorine or chlorine; R.sub.12 is methyl, ethyl, CH.sub.3 O, CH.sub.3 CH.sub.2 O, fluorine or chlorine; and the salts of these compounds with amines, alkali metal or alkaline earth metal bases or quaternary ammonium bases, have good pre- and postemergence selective herbicidal and growth-regulating properties.

REFERENCES:
patent: 5015284 (1991-05-01), Willms et al.
patent: 5127937 (1992-07-01), Arabori et al.

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