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Issue 46, 2015
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Perlite: an inexpensive natural support for heterogenization of HBF4

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Abstract

Nano-perlite-fluoroboric acid (n-PeFBA) has been synthesized by immobilization of HBF4 on perlite to produce an efficient green heterogeneous reusable solid acid catalyst. The catalyst was characterized by (FE-SEM, EDX, BET and BJH). This catalyst was employed to prepare biologically important 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles with high yields and selectivities. Advantages of solid acid include: low cost, facile handling, simple preparation, high stability, reusability and low toxicity. The catalyst could be recovered and reused for several runs without deterioration in catalytic activity.

Graphical abstract: Perlite: an inexpensive natural support for heterogenization of HBF4

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Article information


Submitted
24 feb. 2015
Accepted
15 apr. 2015
First published
15 apr. 2015

RSC Adv., 2015,5, 36828-36836
Article type
Paper
Author version available

Perlite: an inexpensive natural support for heterogenization of HBF4

E. Kolvari, N. Koukabi, M. M. Hosseini and Z. Khandani, RSC Adv., 2015, 5, 36828
DOI: 10.1039/C5RA03229F

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