Pesticidal chromen-6-yl-methyl-oxy-and-thiapyrizinones

US5141939A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Weissmuller · Monheim, DE
• Christoph Erdelen · Leichlingen, DE
• Ulrike Wachendorff-Neumann · Neuwied, DE
• Wilhelm Stendel · Wuppertal, DE
• Wolfgang Leicht · Leverkusen, DE

Key dates

• Filing date: Apr 9, 1991
• Grant date: Aug 25, 1992
• Expiry date: Apr 9, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D311/58
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Pesticidal substituted pyridazinones of the formula ##STR1## in which R.sup.1 represents alkyl, halogenolkyl, alkoxyalkyl, alkylthioalkyl, (di)alkylaminoalkyl, alkenyl or halogenoalkenyl, or represents in each case optionally substituted cycloalkyl, cycloalkylalkyl, aryl or aralkyl, PA1 R.sup.2 represents halogen or alkyl, PA1 R.sup.3 and R.sup.4 independently of one another in each case represent hydrogen or alkyl, PA1 R.sup.5 and R.sup.6 represent hydrogen, carboxyl, in each case optionally substituted straight-chain or branched alkyl, alkenyl, alkoxycarbonyl, aryl or aralkyl, or, together with the carbon atom to which they are bonded, rpresent an optionally substituted saturated or unsaturaated carbocyle, PA1 R.sup.7, R.sup.8, R.sup.9, R.sup.10 and R.sup.11 independently of one another in each case represent hydrogen, halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylthio or halogenoalkylthio, and PA1 X represents oxygen or sulphur. Several intermediates therefor are also new.