SUBSTITUTED PYRIDAZINONES,PROCESSES FOR THEIR PREPARATION,AND THEIR USE AS PESTICIDES

摘要

There are provided novel substituted pyridazinones of the general formula (I) …… in which … …  R<1> is alkyl, haloalkyl, alkoxyalkyl, alkylthioalkyl, (di)alkylaminoalkyl, alkenyl, haloalkenyl, in each case optionally substituted cycloalkyl, cycloalkylalkyl, aryl or aralkyl, …  R<2> is halogen or alkyl, …  R<3> and R<4> independently of one another in each case represent hydrogen or alkyl, …  R<5> and R<6> are hydrogen, carboxyl, in each case optionally substituted straight-chain or branched alkyl, alkenyl, alkoxycarbonyl, aryl, aralkyl, or together with the carbon atom to which they are bonded an optionally substituted saturated or unsaturated carbocycle, …  R<7>, R<8>, R<9>, R<10> and R<11> independently of one another in each case represent hydrogen, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio or haloalkylthio and …  X is oxygen or sulphur. … …The novel compounds of the formula (I) have a highly pronounced activity against pests, in particular a good insecticidal, acaricidal and ovicidal activity.