| abstract |
NEW MATERIAL: A substd. phenylacetic acid allyl ester of formula I, where R 1 = phenyl (optionally substd. with a halogen, an alkyl, an alkenyl or an alkynyl; R 2 = tert. butyl or compd. of formula II; R 3 =H, optionally a halogenated alkyl or alkenyl; and R 4 to R 6 = each H, a halogen, an alkyl, a cycloalkyl, an alkenyl or an alkynyl. n EXAMPLE: (E)-2-(4-Ethoxy-3-fluorophenyl)-3,3-dimethyl butyric acid crotyl ester. n USE: An insecticide or miticide. n PREPARATION: The compd. of formula I is obtd. by reacting a compd. of formula III, (where Z = a halogen or hydroxy) with an alcohol of formula IV. n COPYRIGHT: (C)1991,JPO |