| abstract |
NEW MATERIAL:1-Halo-3-decene compound I (X is halogen, e.g. Cl, Br, etc.). n EXAMPLE: 1-Chloro-cis-3-decene. n USE: A raw material for cis-7-eicosen-11-one compound useful as a sex pheromone of peach fruit moth. n PROCESS: 3-Decyn-1-ol III prepared by the Grignard reaction of 1-octyne II with ethylene oxide, is hydrogenated by using a Lindlar catalyst, etc. and halogenated with a halogenating agent, e.g. thionyl chloride, phosphorus tribromide, etc., to give a compound I. The compound I is reacted with caprylic anhydride by the Grignard reaction to give cis-7-eicosen-11-one. n COPYRIGHT: (C)1980,JPO&Japio |