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ONE-POT SYNTHESIS OF BENZIMIDAZOLES IN WATER IN THE PRESENCE OF SiO2–OPO3H

B. F. Mirjalili, A. Bamoniri, M. Rahimi Kazerouni
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Abstract


Silica-bound phosphoric acid (SiO2–OPO3H) as an eco-friendly, reusable, and heterogeneous catalyst was applied for synthesis of 2-substituted benzimidazoles in water at 70°C. Very short reaction times, clean work-up, and high yields are among the advantages of this protocol.

How to Cite
Mirjalili, B. F.; Bamoniri, A.; Rahimi Kazerouni, M. Chem. Heterocycl. Compd. 2014, 50, 35. [Khim. Geterotsikl. Soedin. 2014, 41.]

For this article in the English edition see DOI 10.1007/s10593-014-1445-z


Keywords


silica-bound phosphoric acid; 2-substituted benzimidazole; heterogeneous catalysis

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