Organocatalytic asymmetric addition of alcohols to cyclic trifluoromethyl ketimines: highly enantioselective synthesis of chiral N,O-ketals

Ding Zhou, Xueting Yu, Jian Zhang, Wei Wang, Hexin Xie

Organic & Biomolecular Chemistry · 2016 · 22 citations · 37 references

Concepts

Abstract

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.

References

37