| abstract |
Dihalopropene compounds of general formula (I) wherein R1 is substituted alkyl; R?2, R3 and R4¿ are each independently halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro or cyano; A is O, S(O)¿t? or NR?14¿ in which R14 is H or alkyl and t is O to 2; B is substituted alkylene, alkenylene or alkynylene; r is 0 to 2; X's are each independently halogen; Y is O, S or NH; Z is O, S or NR25 in which R25 is H, acetyl or alkyl, which are useful as active ingredients of insecticidal/acaricidal agents. |