6299-01-0Relevant articles and documents
A novel and efficient lewis acid catalysed preparation of pyrimidines: Microwave-promoted reaction of urea and β-formyl enamides
Barthakur, Madan G.,Borthakur, Moyurima,Devi, Prarthana,Saikia, Chandan J.,Saikia, Anil,Bora, Utpal,Chetia, Apurba,Boruah, Romesh C.
, p. 223 - 226 (2007/10/03)
A novel and efficient synthesis of pyrimidine from β-formyl enamide is described. The key step involves samarium chloride catalysed cyclisation of β-formyl enamides using urea as source of ammonia under microwave irradiation. Georg Thieme Verlag Stuttgart