Institute of Chemistry, Department of Chemistry, Northwest Normal University, 967 Anning Road(E.), Lanzhou 730070, China
Abstract:
Fifteen dihydropyrimidinthiones have been synthesized by microwave-assisted Biginelli reactions without any solvent of catalyst.The advantages of this novel protocol include the excellent yield,operational simplicity,short time and the avoidance of the use of organic solvents and catalysts.