作者:Robert K. Boeckman、Yan Miller、Todd R. Ryder
DOI:10.1021/ol101831b
日期:2010.10.15
Diels−Alder reactions of cyclic isoimidium salts are described. The corresponding cycloadducts are obtained with high regio- and stereoselectivity. The use of homochiral cyclic isoimidium salts delivers cycloadducts with excellent diastereoselectivity (>99:1) that can be efficiently converted to enantiomerically pure lactones.
描述了环状异亚胺盐的狄尔斯-阿尔德反应。以高的区域选择性和立体选择性获得了相应的环加合物。高手性环状异亚胺盐的使用可提供具有出色的非对映选择性(> 99:1)的环加合物,可将其有效转化为对映体纯的内酯。