A route to functionalized pyrimidines from carbohydrates via amine-driven dehydrative ring transformations
作者:Lal Dhar S. Yadav、Chhama Awasthi、Vijai K. Rai、Ankita Rai
DOI:10.1016/j.tetlet.2008.02.067
日期:2008.4
unprotected aldoses as biorenewable resources is reported. The synthesis involves aza-Michael addition of aromatic amines to aldose-derived 1,3-oxazin-2-ones(thiones) followed by dehydrative ring transformation to afford 4-polyhydroxyalkylpyrimidin-2-ones(thiones) in excellent yields. This is a one-pot Montmorillonite K-10 clay-catalyzed amine-driven process proceeding under solvent-free microwave irradiation