1-aryl-pyrazoles, pesticidal compositions and use

US4820725A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Uta Jensen-Korte · Düsseldorf, DE
• Reinhold Gehring · Wuppertal, DE
• Otto Schallner · Monheim, DE
• Jorg Stetter · Wuppertal, DE
• Heinz-Jurgen Wroblowsky · Langenfeld, DE
• Benedikt Becker · Mettmann, DE
• Wilhelm Stendel · Wuppertal, DE
• Berhard Homeyer · Leverkusen, DE
• Wolfgang Behrenz · Overath, DE

Key dates

• Filing date: Aug 4, 1986
• Grant date: Apr 11, 1989
• Expiry date: Aug 4, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D231/18
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

1-Aryl-pyrazole of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl, PA1 R.sup.2 represents alkyl, halogenoalkyl or in each case optionally substituted aralkyl or aryl, PA1 R.sup.3 represents hydrogen or halogen, PA1 Ar represents optionally substituted phenyl or pyridyl, and PA1 n represents the number 0, 1 or 2, the 1-aryl-pyrazole being useful in agents for combating pests.