Diels−Alder Reactions of Quinol Lactones: A Change of Regioselectivity with Stannic Chloride Catalysis
作者:George A. Kraus、Wenge Cui
DOI:10.1021/jo020366p
日期:2002.12.1
Lewis acid-mediated Diels-Alder reactions of quinol lactone 2 gave regioselectivity opposite to that of the uncatalyzed reaction. Compound 12 is proposed as the reactive intermediate generated by the reaction of 2 with stannic chloride.