New method for the ring enlargement of cyclic ketones
作者:D. Labar、J.L. Laboureur、A. Krief
DOI:10.1016/s0040-4039(00)87000-8
日期:1982.1
A simple two step procedure which allows thering enlargement of cyclicketones is disclosed which takes advantage of the high nucleophilicity of α-selenoalkyllithiums towards carbonyl compounds and of a novel transposition reaction which occurs on the resulting β-hydroxyselenides.