| abstract |
NEW MATERIAL:A compound shown by formula I [R1 and R2 are H, halogen, halo(alkyl), (halo)alkoxy, alkenyl, alkenyloxy or mutually bonded methylenedioxy, alkylene or (alkyl-substituted)ethyleneoxy; R3 is H or F; R4 is H, halogen, (halo)alkyl or (halo)alkoxy; m is 1 or 2; Y is O, S, CH2 or NH; Z is CH or NH]. EXAMPLE:2-(4-Ethoxyphenyl)-3,3,3-trifluoropropyl 3-phenoxybenzyl ether. USE:An insecticide or acaricide. PREPARATION:A halogen compound shown by formula II (X is Cl or Br) is reacted with an alcohol compound shown by formula III in the presence of a base to give a compound shown by formula I. |