A new [2 + 3] annulation for highly functionalized dihydrofurans via carbon-carbon bond formation
作者:Tomas Hudlicky、Graciela Barbieri
DOI:10.1021/jo00015a006
日期:1991.7
An unique low-temperature rearrangement of silyl enol ether terminated oxiranes, prepared by the addition of the dienolate anion of ethyl 2-bromo-4-siloxy-crotonate to aldehydes, has been implemented for the synthesis of functionalized dihydrofurans.