Dialkyl-1-H-3-(2,4-dimethylphenyl)-pyrrolidine-2,4-diones, their preparation and their use

US5504057A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Reiner Fischer · Monheim, DE
• Thomas Bretschneider · Lohmar, DE
• Bernd-Wieland Kruger · Wittlich, DE
• Hans-Joachim Santel · Leverkusen, DE
• Markus Dollinger · Leverkusen, DE
• Christoph Erdelen · Leichlingen, DE
• Ulrike Wachendorff-Neumann · Neuwied, DE

Key dates

• Filing date: Feb 22, 1994
• Grant date: Apr 2, 1996
• Expiry date: Feb 22, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/58
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Dialkyl-1-H-3-(2,4-dimethylphenyl)-pyrrolidine-2,4-diones of the formula (I) ##STR1## in which A represents alkyl which is optionally substituted by halogen and PA2 B represents C.sub.2 -C.sub.10 -alkyl or PA2 A and B together with the carbon atom to which they are bonded represent an unsubstituted cycle, PA2 G represents hydrogen (a) or the groups ##STR2## E represents a metal ion equivalent or an ammonium ion, L and M represent oxygen and/or sulphur. These compounds possess herbicidal and pesticidal activity.