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Solvent-and catalyst-free synthesis of dihydropyrimidinthiones in one-pot under focused microwave irradiation conditions
Authors:Hong Wen Zhan  Jin Xian Wang  Xi Tian Wang
Affiliation: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.
Keywords:Focused microwave-assisted  Catalyst-and solvent-free  Synthesis  Dihydropyrimidinthiones
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