Synthesis of Tetrazoles from Amines Mediated by New Copper Nanocatalyst

New copper nanocatalyst was prepared by coating Fe 3 O 4 magnetic nanoparticles with tetraethyl orthosilicate (TEOS), followed by functionalization with 3-chloropropyl(trimethoxy)silane and 4 H -1,2,4-tri-azol-4-amine and complexation with copper(II) chloride. The new catalyst was characterized by v...

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Bibliographic Details
Published in:Russian journal of organic chemistry 2019-10, Vol.55 (10), p.1591-1597
Main Authors: Ariannezhad, M., Habibi, D., Heydari, S.
Format: Article
Language:English
Subjects:
Amines
Aromatic compounds
Chemical synthesis
Chemistry
Chemistry and Materials Science
Copper
Copper compounds
Iron oxides
Nanoparticles
Organic Chemistry
Sodium azides
Tetraethyl orthosilicate
Tetrazoles
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Summary:New copper nanocatalyst was prepared by coating Fe 3 O 4 magnetic nanoparticles with tetraethyl orthosilicate (TEOS), followed by functionalization with 3-chloropropyl(trimethoxy)silane and 4 H -1,2,4-tri-azol-4-amine and complexation with copper(II) chloride. The new catalyst was characterized by various spectroscopic methods and was successfully used in the synthesis of 1-aryl-1 H -tetrazoles by reaction of aromatic amines with sodium azide and triethyl orthoformate under solvent-free conditions at 100°C.
ISSN:1070-4280
1608-3393
DOI:10.1134/S1070428019100208