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Issue 126, 2015
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Expanded perlite: an inexpensive natural efficient heterogeneous catalyst for the green and highly accelerated solvent-free synthesis of 5-substituted-1H-tetrazoles using [bmim]N3 and nitriles

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Abstract

A versatile, green and highly accelerated protocol for preparing 5-substituted-1H-tetrazoles is reported. In this method, 5-substituted-1H-tetrazoles are synthesized from nitriles and [bmim]N3, in the presence of the expanded perlite as an inexpensive natural efficient heterogeneous catalyst, under solvent-free condition. A wide variety of aryl nitriles underwent [3 + 2] cycloaddition to afford the desired tetrazoles in good to excellent yields, rapidly. This method has the advantages of high yields, short reaction times, simple methodology, and easy work-up. The catalyst can be recovered by simple filtration and reused delivering good yields.

Graphical abstract: Expanded perlite: an inexpensive natural efficient heterogeneous catalyst for the green and highly accelerated solvent-free synthesis of 5-substituted-1H-tetrazoles using [bmim]N3 and nitriles

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Article information


Submitted
15 Oct 2015
Accepted
27 Nov 2015
First published
30 Nov 2015

RSC Adv., 2015,5, 104087-104094
Article type
Paper
Author version available

Expanded perlite: an inexpensive natural efficient heterogeneous catalyst for the green and highly accelerated solvent-free synthesis of 5-substituted-1H-tetrazoles using [bmim]N3 and nitriles

R. Jahanshahi and B. Akhlaghinia, RSC Adv., 2015, 5, 104087
DOI: 10.1039/C5RA21481E

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