Abstract
Aza-Michael adducts are obtained in very good yields by the conjugate addition of aliphatic amines to α,β-unsaturated compounds using molecular iodine as catalyst in dichloromethane at room temperature. Aromatic amines were found to be reactive under reflux in toluene.
ACKNOWLEDGMENTS
The authors are thankful to the Council of Scientific and Industrial Research, New Delhi, India, for Research Project Grant No. 01(2067)/06/EMR-II to R. B. and to Central Instrument Facility, Indian Institute of Technology, Guwahati, for their cooperation in sample analysis.
Notes
a All the products were characterized by 1H NMR, IR, and mass spectrometry.
b Isolated yields.
a All the products were characterized by 1HNMR, IR, and mass spectrometry.
b Isolated yields.