Organocatalytic Asymmetric Addition of Thiols to Trifluoromethylaldimine: An Efficient Approach to Chiral Trifluoromethylated<i>N</i>,<i>S</i>-Acetals
作者:Xin Fang、Qing-Hua Li、Hai-Yan Tao、Chun-Jiang Wang
DOI:10.1002/adsc.201200845
日期:2013.1.16
The first organocatalyticasymmetric addition of thiols to trifluoromethylaldimine for the construction of chiral trifluoromethylated N,S-acetals has been achieved in high yields (up to 99%) and excellent enantioselectivities (up to 95% ee) with 1 mol% of a bifunctional organocatalyst.