Heterocyclically substituted sulfonylureas, and their use as herbicides or plant growth regulators

US5129941A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Heinz-Josef Loher · Hofheim, DE
• Lothar Willms · Hillscheid, DE
• Michael Frey · Erfurt, DE
• Klaus Bauer · Rodgau, DE
• Hermann Bierigner · Eppstein, DE

Key dates

• Filing date: Jul 17, 1990
• Grant date: Jul 14, 1992
• Expiry date: Jul 17, 2010

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N47/36
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Sulfonylureas of the formula ##STR1## where A is a bond or a C.sub.1 -C.sub.10 -hydrocarbon radical, PA1 R.sup.1 is an optionally unsaturated hydrocarbon radical which is optionally substituted by halogen, optionally unsaturated alkoxy, alkylthio, alkylsulfonyl or alkylsulfinyl, cycloalkyl, optionally substituted phenyl or a heterocycle, or is optionally substituted phenyl, NRR' with R and R' being alkyl, alkoxy or alkylene (cyclic with N), PA1 Y is S, SO or SO.sub.2, PA1 R.sup.1 is optionally unsaturated alkoxy which is optionally substituted, or is cycloalkoxy, cycloalkenyloxy, cyclopropylmethyloxy, epoxypropyloxy, furfuryloxy, tetrahydrofurfuryloxy or optionally substituted phenoxyalkoxy or phenoxy, PA1 R.sup.3 is alkyl which is optionally unsaturated, or is alkoxy, PA1 R.sup.4 is optionally substituted pyrimidinyl, pyrimidinylmethyl, pyrimidinyl with a fused-on cyclopentane, oxolane, oxolene, oxane, pyridine or pyrazine ring or purinyl or triazolyl, and PA1 Z is O or S, have herbicidal and/or plant-growth-regulatory properties.