Sulfonylureas having heterocyclic substituents, and their use in agriculture

US4492598A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Lothar Willms · Hillscheid, DE
• Thomas Huttelmaier · Kelkheim, DE
• Hilmar Mildenberger · Kelkheim, DE
• Klaus Bauer · Rodgau, DE
• Helmut Burstell · Frankfurt am Main, DE
• Hermann Bieringer · Eppstein, DE

Key dates

• Filing date: Aug 6, 1982
• Grant date: Jan 8, 1985
• Expiry date: Aug 6, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D493/06
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein R.sub.1 is (among others) (halo)cycloalkyl or (halo)cycloalkenyl, R.sub.2 and R.sub.3 are preferably hydrogen, X is preferably oxygen and R.sub.4 is substituted pyrimidyl or s-triazinyl, are valuable herbicides and growth regulators.