作者:John B. Bicking、Sara F. Kwong、Michael H. Fisher、William H. Nicholson
DOI:10.1021/jm00325a019
日期:1965.1
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 selectiveDiels-Alderreactions. The Diels-Alderreactions of 3 are also highly exo selective under Lewisacidcatalyzed conditions.