Synthesis of Tetrazoles from Amines Mediated by New Copper Nanocatalyst
Abstract New copper nanocatalyst was prepared by coating $ Fe_{3} $$ O_{4} $ magnetic nanoparticles with tetraethyl orthosilicate (TEOS), followed by functionalization with 3-chloropropyl(trimethoxy)silane and 4H-1,2,4-tri-azol-4-amine and complexation with copper(II) chloride. The new catalyst was characterized by various spectroscopic methods and was successfully used in the synthesis of 1-aryl-1H-tetrazoles by reaction of aromatic amines with sodium azide and triethyl orthoformate under solvent-free conditions at 100°C..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:55 |
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| Enthalten in: |
Russian journal of organic chemistry - 55(2019), 10 vom: Okt., Seite 1591-1597 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ariannezhad, M. [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
-1,2,4-triazole-4-amine |
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| Anmerkungen: |
© Pleiades Publishing, Ltd. 2019 |
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| doi: |
10.1134/S1070428019100208 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2046968441 |
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| 520 | |a Abstract New copper nanocatalyst was prepared by coating $ Fe_{3} $$ O_{4} $ magnetic nanoparticles with tetraethyl orthosilicate (TEOS), followed by functionalization with 3-chloropropyl(trimethoxy)silane and 4H-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-1H-tetrazoles by reaction of aromatic amines with sodium azide and triethyl orthoformate under solvent-free conditions at 100°C. | ||
| 650 | 4 | |a Fe | |
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| 650 | 4 | |a magnetic nanoparticles | |
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| 650 | 4 | |a -1,2,4-triazole-4-amine | |
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| 650 | 4 | |a -tetrazoles | |
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| 700 | 1 | |a Heydari, S. |4 aut | |
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