Formation of (Z) dialkylboron enolates from enolsilanes: Stereoconvergent transmetallation and diastereoselective aldol reactions
作者:Joseph L. Duffy、Tehshik P. Yoon、David A. Evans
DOI:10.1016/0040-4039(95)02015-h
日期:1995.12
Transmetallation of (E) and (Z) enolsilanes using halodialkylborane (R(2)BX) reagents provides predominantly the (Z) dialkylboron enolate under mild conditions. These enolates afford high levels of syn selectivity in subsequent aldol reactions.