Evidence for “stable” organocopper intermediates in the reaction between Me2CuLi·LiI and allylic sulfinyl mesylates.
作者:Roberto Fernández de la Pradilla、M.Belén Rubio、Joseph P. Marino、Alma Viso
DOI:10.1016/s0040-4039(00)61252-2
日期:1992.8
The addition of Me2CuLi.LiI to acyclic allylic sulfinyl mesylates bearing a phenyl functionality in the molecule gives rise to chiral allenes 4 and 11 in variable yields and optical purities, presumably via an unusually stable sigma-copper(III) species.