A Novel and Efficient Lewis Acid Catalysed Preparation of Pyrimidines: Microwave-Promoted Reaction of Urea and β-Formyl Enamides
Madan G. Barthakur, Moyurima Borthakur, Prarthana Devi, Chandan J. Saikia, Anil Saikia, Utpal Bora, Apurba Chetia, Romesh C. Boruah*
*Medicinal Chemistry Division, Regional Research Laboratory, Jorhat 785006,
India, Email: rc_boruah
yahoo.co.in
M. G. Barthakur, M. Borthakur, P. Devi, C. J. Saikia, A. Saikia, U. Bora, A. Chetia, R. C. Boruah, Synlett, 2007, 223-226.
DOI: 10.1055/s-2007-968018
Abstract
A novel and efficient synthesis of pyrimidine from β-formyl enamide involves samarium chloride catalysed cyclisation of β-formyl enamides using urea as source of ammonia under microwave irradiation.
see article for more examples
Key Words
β-formyl enamides, urea, microwave, pyrimidines
ID: J60-Y2007-0700
