NEW MATERIAL:A compound expressed by formula I[R1 is branched alkyl; X and Y are halogen, NO2, CN, OH, alkyl, alkenyl, alkoxy, alkylthio, aryl, aryloxy, etc.; l is 0-5; m is 0-4; A is O, S(O)n (n is 0-2) or NR2 (R2 is H, alkyl, benzyl, etc.); W is CHR3, CHR3-CR4R5, CR3=CR4, CHR3-CO (R3 to R5 are H, halogen, CN, alkyl, etc.), etc.; Ar is plenyl, naphthyl, furyl, thienyl, pyrrolyl, imidazolyl, pyridyl, etc.].
EXAMPLE: N'-tert-Butyl-N'-[3-(3'-chlorobenzyloxy)benzoyl]-N-benzoylhydrazine.
USE: An insecticide capable of exhibiting excellent activity against insect pests of the orders Lepidoptera, Coleoptera and Hemiptera.
PREPARATION: For example, a compound expressed by formula II is reacted with a compound expressed by formula III (L1 is leaving group) in the presence of a base in an inert solvent to afford the compound expressed by formula I.
NAKAYAMA KAZUYA
YAGI KAZUO
UMEHARA TOSHIYUKI
KUDO MASAKI
INOUE YOICHI
