Regio- and Stereo-chemical Effects in the Hydroboration ofΔ2 -Steroidal Allylic and HomoallylicAlcohols†
作者:James R. Hanson、Mansur D. Liman、Sivajini Nagaratnam
DOI:10.1039/a702014g
日期:——
A comparison between the hydroboration ofÎ
2
-steroidal 1α-allylic and5α-homoallylic alcohols reveals that whereas both have astereochemical directing effect, only the allylic alcoholmodifies the regiospecificity of the reaction.