Heterocyclically substituted sulfonylureas, process for...

Details Heterocyclically substituted sulfonylureas, process for... Heterocyclically substituted sulfonylureas, process for...

C - Chemistry, Metallurgy

07

D

260/251, 260/249

C07D 239/28 (2006.01) A01N 47/36 (2006.01) C07D 239/70 (2006.01) C07D 251/12 (2006.01) C07D 401/12 (2006.01) C07D 403/12 (2006.01) C07D 491/044 (2006.01) C07D 521/00 (2006.01)

Patent

CA 2021467

Heterocyclically substituted sulfonylureas, process for their preparation, and their use as herbicides or plant growth regulators Sulfonylureas of the formula Image where A is a bond or a C1-C10-hydrocarbon radical, R1 is an optionally unsaturated hydrocarbon radical which is optionally substituted by halogen, option- ally unsaturated alkoxy, alkylthio, alkylsulfonyl or alkylsulfinyl, cycloalkyl, optionally substituted phenyl or a heterocycle, or is optionally substitu- ted phenyl, NRR' with R and R' being alkyl, alkoxy or alkylene (cyclic with N), Y is S, SO or SO2, R2 is optionally unsaturated alkoxy which is optionally substituted, or is cycloalkoxy, cycloalkenyloxy, cyclopropylmethyloxy, epoxypropyloxy, furfuryloxy, tetrahydrofurfuryloxy or optionally substituted phenoxyalkoxy or phenoxy, R3 is alkyl which is optionally unsaturated, or is alkoxy, R4 is optionally substituted pyrimidinyl, pyrimidinyl- methyl, pyrimidinyl with a fused-on cyclopentane, oxolane, oxolene, oxane, pyridine or pyrazine ring or purinyl or triazolyl, and Z is O or S, have herbicidal and/or plant-growth-regulatory proper- ties.

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