Synthesis of digitoxigenin from 3β-acetoxyandrost-5-en-17-one involving palladium induced rearrangement of an allylic epoxide
作者:Jerzy Wicha、Marek M. Kabat
DOI:10.1039/c39830000985
日期:——
A synthesis of digitoxigenin (1) from3β-acetoxyandrost-5-en-17-one (2) has been developed in which the key step involved a rearrangement of the allylic expoxide (8) to the butanolide (9) induced by tetrakis(triphenylphosphine)palladium (0).