A short and efficient preparation of enantiomerically enriched (80% eel (-)
-serricornine (1), the sex pheromone of the cigarette beetle Lasioderma ser
ricorne F., was developed in 8 steps and 13% overall yield from methyl (R)-
3-hydroxypentanoate readily prepared by baker's yeast reduction of methyl 3
-oxopentanoate in the presence of allyl alcohol as enzyme inhibitor.