Benzoylpyrazoles and their use as herbicides

US6420317B1 · kind B1 · utility

Assignee

• Aventis CropScience GmbH · DE

Inventors

• Monika Schmitt · Frankfurt, DE
• Andreas van Almsick · Karben, DE
• Rainer Preuss · Hofheim, DE
• Lothar Willms · Hillscheid, DE
• Thomas Auler · Bad Soden, DE
• Hermann Bieringer · Eppstein, DE
• Felix Thurwachter · Hamburg, DE

Key dates

• Filing date: Mar 29, 2001
• Grant date: Jul 16, 2002
• Expiry date: Mar 29, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/20
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Benzoylpyrazoles of the formula (I) and their use as herbicides are described. In the formula (I), R1, R2, R3, R4 and R5 are various radicals and n is from 0 to 2.