| 摘要 |
A cyanobenzyl isopropyl phenylacetate of formula (I), which is rich in S-alpha-cyanobenzyl S-alpha-isopropylphenylacetate and its enantiomer, is prepd.. In (I), R1 is H, halogen, or C1-4 alkyl, methoxy or ethoxy opt. substd. by one or more halogen atoms; R2 is H or methyl; X1 is phenoxy, benzyl or phenylthio; X2 is halogen or methyl; n is 0,1 or 2. (I) is useful as intermediates for corresponding pesticidal enantiomer pair, and is a highly active pesticide. |
