Synthesis of(Z)-3-dodecenolide,the main aggregation pheromone from the flat grain beetle,Crvptolestes Pusillus Sch(?)nerr

The main aggregation pheromone component(1)of stored grain pest,Cryptolestes Pusillus, was synthesized with organosilicon and organolithium reagents in an overall yield of 18% from 1,7- heptanediol.