| abstract |
Phenyl substituted heterocyclic compounds having insecticidal activity have formula (I) wherein R?1 is an optionally substituted pyridone, thiopyridone, pyrimidinthione, pyrimidinone, pyrazole, imidazole or triazole group; R?2 is hydrogen, halogen, haloalkyl, nitro, cyano or a group -CX-NY?1Y?2; R?3 and R?5 are hydrogen, halogen, alkyl or cycloalkyl; R?4 is halogen, haloalkyl, haloalkoxy or S(O)n?R?6; and Y?1 and Y?2 are independently selected from hydrogen, nitro, amino or optionally substituted alkyl or Y?1 and Y?2 together with the nitrogen to which they are attached form an aliphatic heterocyclic group or form the group =CHY?3 or Y?1 is hydrogen and Y?2 is alkoxycarbonyl, alkylcarbonyl, optionally substituted aralkyl or -S(O)n?R?6. |