Montmorillonite Clay Catalysis. Part 15 Backbone Rearrangement of 4,4-Dialkylcholest-5-enes catalyzed by Montmorillonite K-10
作者:Hui-Yun Duan、Jian-Xin Wang、Tong-Shuang Li
DOI:10.1080/00397919908085944
日期:1999.9
Abstract In the presence of montmorillonite K-10 4,4-dialkylcholest-5-enes undergo backbone rearrangement to give (20R)- and (20S)-4,4-dialkyl-5β,14β-dimethyl-18,19-dinor-8α,9β,10α-cholest-13(17)-enes in high yields.