A new scheme has been developed for the synthesis of dodeca-8E, lOE-dien-l-ol (the sex pheromone of the codling moth) from sorbyl acetate, available from 4-propenyl-1, 3-dioxane through the intermediate diacetate of 3-propenyl-2-oxapentane-l,5-diol. ... Dodeca-8E,10E-dien-l-ol (codlemone) (4) -- the sex pheromone of the codling moth Laspeyresia pomonella L. -- is one of the most studied of such compounds. Review papers [1-5] give a whole series of ...