This document does not have an outline. ... JavaScript is disabled on your browser. Please enable JavaScript to use all the features on this page. ... Author links open the overlay panel. Numbers correspond to the affiliation list which can be exposed by using the show more link. ... Allenic hydrocarbons and one γ-allenic ketone were prepared in poor to good yields by the reactions of diethyl 1-methylene-2-propenyl phosphate and diethyl 1-(1-cyclohexenyl) phosphate ...