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Silica-Supported Ionic Liquid Si-[SbSipim][PF 6 ]: An Efficient Catalyst for the Synthesis of 3,4-Dihydropyrimidine-2-(1H)-ones

✍ Scribed by Kang, Li-Qin; Jin, Dong-Yuan; Cai, Yue-Qin

Book ID
120156455
Publisher
Taylor and Francis Group
Year
2013
Tongue
English
Weight
180 KB
Volume
43
Category
Article
ISSN
0039-7911

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Silica sulfuric acid: an efficient and r
Silica sulfuric acid: an efficient and reusable catalyst for the one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones
✍ Peyman Salehi; Minoo Dabiri; Mohammad Ali Zolfigol; Mohammad Ali Bodaghi Fard πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 French βš– 91 KB

Silica sulfuric acid efficiently catalyzes the three-component Biginelli reaction between an aldehyde, a b-dicarbonyl compound and urea or thiourea in refluxing ethanol to afford the corresponding dihydropyrimidinones in high yields. The catalyst is reusable and can be applied several times without