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One-pot synthesis of dihydropyrimidones using silica-supported heteropoly acid as an efficient and reusable catalyst: Improved protocol conditions for the Biginelli reaction

✍ Scribed by Ezzat Rafiee; Fomaida Shahbazi


Book ID
108212649
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
142 KB
Volume
250
Category
Article
ISSN
1381-1169

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Zirconium(IV) 4-sulphophenylethyliminobi
✍ Xin-Bin Yang; Xiang-Kai Fu; Yu Huang; Ren-Quan Zeng πŸ“‚ Article πŸ“… 2011 πŸ› Versita 🌐 English βš– 194 KB

## Abstract Zirconium(IV) 4-sulphophenylethyliminobismethylphosphonate (ZSBEDP) was prepared and characterised by elemental analysis, IR, TG-DSC, and XRD. ZSBEDP was found to be an efficient catalyst for the Biginelli reaction of aromatic aldehyde, ethyl acetoacetate, and urea or thiourea under sol