Synthesis and Diels-Alder reactions of 2-alkyl-5-methylene-1,3-dioxolan-4-ones and 2-alkyl-3-acyl-5-methylene-1,3-oxazolidin-4-ones: Highly exo and diastereoface selective chiral ketene equivalents
作者:William R. Roush、Amy P. Essenfeld、Joseph S. Warmus、Bradley B. Brown
DOI:10.1016/s0040-4039(00)70683-6
日期:1989.1
Chiral dienophiles 1–3 undergo highly exo and diastereoface selective Diels-Alder reactions. The Diels-Alder reactions of 3 are also highly exo selective under Lewis acid catalyzed conditions.
手性亲双烯体1-3发生高度exo和非对映体选择性Diels-Alder反应。的狄尔斯-阿尔德反应3也路易斯酸催化条件下是高度选择性的外型。