Catalytic Asymmetric Torgov Cyclization: A Concise Total Synthesis of (+)-Estrone
作者:Sébastien Prévost、Nathalie Dupré、Markus Leutzsch、Qinggang Wang、Vijay Wakchaure、Benjamin List
DOI:10.1002/anie.201404909
日期:2014.8.11
dinitro‐substituted disulfonimide, is described. The reaction delivers the Torgov diene and various analogues with excellent yields and enantioselectivity. This method was applied in a very short synthesis of (+)‐estrone.