## 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
โฆ LIBER โฆ
Fe3O4 nanoparticles: As an efficient, green and magnetically reusable catalyst for the one-pot synthesis of 1,8-dioxo-decahydroacridine derivatives under solvent-free conditions
โ Scribed by Mohammad Ali Ghasemzadeh; Javad Safaei-Ghomi; Halimeh Molaei
- Book ID
- 119222826
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 500 KB
- Volume
- 15
- Category
- Article
- ISSN
- 1631-0748
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## Abstract An efficient solventโfree method for the synthesis of various 3,4โdihydropyrimidinโ2(1__H__)โones using TiO~2~ as a recyclable heterogeneous catalyst is described. Compared to known methods, satisfactory results are obtained with excellent yields, short reaction times, and simplicity in