Pesticidal 1-arylpyrazoles, compositions and use

US4810720A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

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

Key dates

• Filing date: Dec 30, 1986
• Grant date: Mar 7, 1989
• Expiry date: Dec 30, 2006

Classification

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

Abstract

Insecticidally active 1-aryl-pyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or haloalkyl, PA1 R.sup.2 represents alkyl, alkenyl, alkinyl, cycloalkyl, haloalkyl, haloalkenyl, alkoxyalkyl, alkylthioalkyl, alkylsulphinylalkyl, alkylsulphonylalkyl, optionally substituted aralkyl or optionally substituted aryl, PA1 R.sup.3 represents alkyl, haloalkyl, cycloalkyl or optionally substituted aryl, PA1 Ar represents subsituted phenyl, with the exception of the 4-nitrophenyl radical or the 2,4-dinitrophenyl radical, or represents optionally substituted pyridyl, and PA1 n represents a number 0, 1 or 2.