Convenient One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1<i>H</i>)-ones Using TMSCl as a Catalyst with Ultrasonic Irradiation in DMF
作者:Sheng-Rong Guo、Yan-Qin Yuan
DOI:10.1080/00397910802654666
日期:2009.5.22
Abstract 3,4-Dihydropyrimidin-2(1H)-one and their derivatives were synthesized in good yields (90–99%) by a one-pot, three-component Biginelli cyclocondensation of dimedone, aldehydes, and urea in the presence of trimethylsilyl chloride (TMSCl) in dimethylformamide (DMF).