Ireland–Claisen rearrangement of ynamides: stereocontrolled synthesis of 2-amidodienes
作者:Stephen J. Heffernan、David R. Carbery
DOI:10.1016/j.tetlet.2012.07.088
日期:2012.9
The Ireland–Claisenrearrangement of propargyl ynamido ester substrates is reported. The expected allenamide carboxylic acid products from [3,3]-sigmatropic rearrangement are not isolated, with 2-amidodienes alternatively formed in good yield with high levels of stereocontrol after decarboxylation.