Open AccessSilica Sulfuric Acid: An Eco-Friendly and Reusable Catalyst for Synthesis of Benzimidazole Derivatives
Author(s) -
Bahareh Sadeghi,
Mahboobeh Ghasemi Nejad
Publication year - 2012
Publication title -
journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.436
H-Index - 50
eISSN - 2090-9063
pISSN - 2090-9071
DOI - 10.1155/2013/581465
Subject(s) - chemistry , benzimidazole , environmentally friendly , catalysis , sulfuric acid , organic chemistry , solid acid , combinatorial chemistry , ecology , biology
Silica sulfuric acid (SiO2-OSO3H) as an eco-friendly, readily available, and reusable catalyst is applied to benzimidazole derivatives synthesis under reflux in ethanol. The procedure is very simple and the products are isolated with an easy workup in good-to-excellent yields
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