Ding Zhou, Xueting Yu, Jian Zhang, Wei Wang and Hexin Xie
Org. Biomol. Chem., 2016,14, 6193-6196
DOI:
10.1039/C6OB00890A,
Communication
A highly enantioselective addition of alcohols to cyclic trifluoromethyl ketimines is developed catalyzed by quinine-thiourea, giving biologically interesting N,O-ketals in up to 99% yield and 96% ee.