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.
描述了一种新型的高度布朗斯台德酸性二硝基取代的二磺
酰亚胺催化的不对称Torgov环化反应。该反应以优异的产率和对映选择性提供了Torgov二烯和各种类似物。该方法用于(+)-
雌酮的非常短的合成中。