Asymmetric intramolecular Diels-Alder reactions of N-acyl-camphor-sultam trienes.
作者:Wolfgang Oppolzer、Dominique Dupuis
DOI:10.1016/s0040-4039(00)98228-5
日期:1985.1
Treatment of triene-imides 4 with EtAlCl2 at −20° gave crystalline cycloadducts 5 which furnished enantiomerically pure bicyclic alcohols 9 with regeneration of the chiral auxiliary.
在-20°下用EtAlCl 2处理三烯酰亚胺4,得到结晶的环加合物5,其提供对映体纯的双环醇9并具有手性助剂的再生。