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Free keywords:
chiral synthesis
pheromone
neodiprion-sertifer
diprionol
gamma-lactones
saw-fly
stereoisomers
hymenoptera
propionate
separation
geoff
Abstract:
The chiral syntheses of some analogues, 2 - 7, of 3,7-dimethyl-2-pentadecanol, 1 (diprionol), and of the corresponding acetates are described. The acetate of 1 is the main attractant in the sex pheromone of the Neodiprion genus (Diprionidae). Compounds 2 - 4 were identified as minor components isolated from females of Neodiprion sertifer. Synthetic intermediates were prepared either from chiral starting materials, via asymmetric syntheses, or by baker's yeast reductions.