Preparation of disubstituted epichlorohydrins with total diastereoselectivity. Transformation of α-bromocarbonyl compounds into allyl alcohols.
作者:José Barluenga、Luján Llavona、Pablo L. Bernad、José M. Concellón
DOI:10.1016/s0040-4039(00)93410-5
日期:1993.5
Epichlorohydrins 3 have been obtained with total diastereoselectivity from α-bromocarbonyl compounds and chloromethyllithium generated in situ. The treatment of compounds 3 with lithium iodide or lithium powder affords allyl alcohols 4 in a regioselective manner.