Exo??and endohormones. X. A novel route to an isomer mixture of 7, 9??Dodecadien??1??yl Acetate utilizable in field attraction of Lobesia botrana males

L Daradics, I Oprean, F Hodosan

Index: Daradics, L.; Oprean, I.; Hodosan, F. Journal fuer Praktische Chemie (Leipzig), 1987 , vol. 329, # 2 p. 277 - 282

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Citation Number: 6

Abstract

Abstract Wittig condensation of (Z)-2-pentenylidene triphenylphosphorane (14) and 7-tert.- butoxy-heptanal (13) under conditions of phase transfer catalysis and subsequent conversion into the corresponding acetate afforded a mixture of 28% 7 (E), 9 (Z)-dodecadien- 1-yl acetate, the sex pheromone of Lobesia botrana, along with the other geometrical isomers and 30% unidentified by-products. The synthons 14 and 13 were prepared ...