O,O-Di-alkyl-O-(1-6-pyridazinon-3-yl)-(thiono)-phosphoric acid esters and their pesticidal use

US4112081A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Hofer
• Fritz Maurer · Wuppertal, DE
• Hans-Jochem Riebel · Bad Camberg, DE
• Ingeborg Hammann · Cologne, DE
• Wolfgang Behrenz · Overath, DE

Key dates

• Filing date: Jun 9, 1976
• Grant date: Sep 5, 1978
• Expiry date: Jun 9, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/650905
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

O,O-Di-alkyl-O-(1-6-pyridazinon-3-yl)-(thiono)-phosphoric acid esters of the formula ##STR1## in which R is methyl or ethyl, PA0 R.sub.1 is alkyl with 3 to 5 carbon atoms or alkoxyalkyl with 1 to 3 carbon atoms in each alkoxy and alkyl moiety, PA0 R.sub.2 is hydrogen, nitro, halogen or alkyl with 1 to 6 carbon atoms, and PA0 X is oxygen or sulfur, Which possess insecticidal and acaricidal properties.