Cerium(IV) ammonium nitrate (CAN) catalyzed aza-Michael addition of amines to α,β-unsaturated electrophiles

Cerium(IV) ammonium nitrate (CAN) catalyzed facile and efficient aza-Michael addition of aromatic and aliphatic amines with alpha,beta-unsaturated electrophiles in the absence of solvent under ultrasound irradiation. (c) 2006 Elsevier Ltd. All rights reserved.