Journal
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
Volume 14, Issue 6, Pages 1215-1225Publisher
SPRINGER
DOI: 10.1007/s13738-017-1072-6
Keywords
Mesoporous; Sulfoxide; Disulfide; 2,3-Dihydroquinazolin-4(1H)-one; Oxidation
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Funding
- research affairs of Ilam University, Ilam, Iran
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Zinc complex with 2-amino-3-hydroxy-pyridine ligand was immobilized onto chloropropyl-modified mesoporous silica MCM-41 (CP-MCM-41) via post-grafting method. The prepared catalyst has been characterized by low-angle X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, energy-dispersive spectrum, atomic adsorption spectroscopy and thermogravimetric analysis. The immobilized nano-structured material showed very good catalytic activity and excellent recycling efficiencies for the oxidation reaction of sulfides to sulfoxides and oxidative coupling of thiols to their corresponding disulfides in the presence of aqueous hydrogen peroxide as oxidant at room temperature and the synthesis of 2,3-dihydroquinazolin-4(1H)-one derivatives in water.
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