Asymmetric sp3 C-H functionalization via a chiral Bronsted acid-catalyzed redox reaction for the synthesis of cyclic aminals

An organocatalytic asymmetric tandem 1,5-hydride transfer/ring closing reaction of o-aminobenzoketones with anilines to give cyclic aminals in fairly good diastereo- and enantioselectivities. (C) 2011 Elsevier Ltd. All rights reserved.