Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Laboratoire de Synthèse Organique - Ecole Polytechnique 91128 Palaiseau Cedex, France. ... 1,4-Dioxen-2-yl lithium reacts with ketones or aldehydes to give alcohols which lead after an allylic rearrangement under mild conditions, followed by reduction and hydrolysis to α- ...