期刊
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
卷 184, 期 7, 页码 1722-1728出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10426500802293153
关键词
Alumina; Biginelli reaction; 3,4-dihydropyrimidin-2(1H)-one; H2SO4; silica gel
资金
- research council of Urmia University
The one-pot condensation of aromatic aldehydes, beta-dicarbonyl compounds, and urea or thiourea in the presence of H2SO4 supported on silica gel or alumina (80% m/m) in refluxing n-hexane produces 3,4-dihydropyrimidin-2(1H)-ones and their sulfur derivatives in high to excellent yields.
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