6,7-dihydro-pyrazolo (1,5-A)(1,3,5)triazine-2-sulphonamides, processes for their preparation and their use as herbicides and plant growth regulators

US4892576A · kind A · utility

Assignee

• SCHERING CORPORATION · US

Inventors

• Martin Kruger · Berlin, DE
• Jurgen Westermann · Berlin, DE
• Friedrich Arndt · Berlin, DE
• Richard Rees · Berlin, DE
• Russel G. Hunt · Melton Mowbray, GB

Key dates

• Filing date: Jun 30, 1988
• Grant date: Jan 9, 1990
• Expiry date: Jun 30, 2008

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N43/90
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to new 6,7-dihydropyrazole-[1,5-a][1,3,5]triazine-2-sulphonamides of general formula I ##STR1## in which Ar, R.sub.6, R.sub.7, R.sub.8, R.sub.9 and X have the meanings given in the description, processes for their preparation and their use as herbicides and plant growth regulants.