5-Amino-1-phenyl-pyrazole-4-carboxylic acid derivatives and their use for controlling undesirable plant growth

US4472192A · kind A · utility

Assignee

• BASF SE

Inventors

• Karl Eicken · Monsheim, DE
• Peter Plath · Bischofswerda, DE
• Bruno Wuerzer · Otterstadt, DE

Key dates

• Filing date: Jul 20, 1982
• Grant date: Sep 18, 1984
• Expiry date: Jul 20, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/38
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

5-Amino-1-phenyl-pyrazole-4-carboxylic acid derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and A have the meanings given in the description, are used for controlling undesirable plant growth.