Synthesis of Substituted Benzimidazoles and Imidazo[4,5-b]pyridines Under Microwave and Solvent-free Conditions

Nasser Montazeri; Kurosh Rad-Moghadam

Issue

Vol. 18 No. 2 (2006): Vol 18 Issue 2

Issue Published : 19 January 2006

Synthesis of Substituted Benzimidazoles and Imidazo[4,5-b]pyridines Under Microwave and Solvent-free Conditions

Nasser Montazeri

Chemistry Department, Islamic Azad University of Tonekabon, Tonekabon, Iran

Kurosh Rad-Moghadam

Chemistry Department, Islamic Azad University of Tonekabon, Tonekabon, Iran

Corresponding Author(s) : Nasser Montazeri

montazer50@yahoo.com

Asian Journal of Chemistry, Vol. 18 No. 2 (2006): Vol 18 Issue 2
Article Published : 30 March 2010

Abstract

A clean and facile synthesis of benzimidazoles and imidazo[4,5-b]pyridines is achieved from cyclocondensation of 1,2-diaminoaromatics with o-esters catalyzed by SiO₂/H₂SO₄ in dry and microwave conditions.

Keywords

Benzimidazoles Imidazo[4 5-b]pyridines Sulfuric acid Silica Microwave synthesis

(1)

Montazeri, N.; Rad-Moghadam, K. Synthesis of Substituted Benzimidazoles and Imidazo[4,5-b]pyridines Under Microwave and Solvent-Free Conditions. ajc 2010, 18, 1557-1559.

Issue

Vol. 18 No. 2 (2006): Vol 18 Issue 2

Synthesis of Substituted Benzimidazoles and Imidazo[4,5-b]pyridines Under Microwave and Solvent-free Conditions

Corresponding Author(s) : Nasser Montazeri

Abstract

Keywords

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