Unusual [2+2]cycloaddition reaction of allylsilanes with 2,3--isopropylidene derivatives of -aldose catalyzed by boron trifluoride etherate
作者:Hideyuki Sugimura、Minako Uematsu
DOI:10.1016/s0040-4039(00)80650-4
日期:1988.1
In the reaction of allylsilanes with 2,3--isopropylidene derivatives of -aldose, [2+2] cycloaddition occurred predominantly rather than allylation in the presence of borontrifluorideetherate to give oxetane derivatives as major products together with small amounts of homoallyl alcohols.