A sequential stereocontrolled cyclopropane ring formation and semi-pinacol rearrangement
作者:Charles M. Marson、Catriona A. Oare、Jane McGregor、Timothy Walsgrove、Trevor J. Grinter、Harry Adams
DOI:10.1016/s0040-4039(02)02511-x
日期:2003.1
Treatment of an unsaturated 2,3-epoxy alcohol with SnBr4 leads to a stereoselective formation of a cyclopropane ring, and an α-ketol unit as part of a subsequent ring expansion.
用SnBr 4处理不饱和2,3-环氧醇会导致立体选择性地形成环丙烷环,并形成α-酮醇单元,作为后续扩环的一部分。