An efficient and environment-friendly synthesis of 3,4-dihydropyrimidin-2(1H)-ones catalyzed by hexamethylenetetramine-bromine complex
Mohammad Bagher Teimouri
Pages: 9 - 15
Number of pages: 7
3,4-dihydropyrimidin-2(1H)-ones were synthesized in high yield by one-pot, three-component Biginelli condensation reaction in the presence of hexamethylenetetramine-bromine complex, an inexpensive and easily available catalyst, under solvent-free conditions.