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ChemInform Abstract: Sulfuric Acid {[3-(3-Silicapropyl)sulfanyl]propyl}ester, a Recyclable Catalyst for the Synthesis of 2-Aryl-1-arylmethyl-1H-1,3-benzimidazole Derivatives.

✍ Scribed by Nasir Iravani; Negar Safikhani Mohammadzade; Khodabakhsh Niknam


Publisher
John Wiley and Sons
Year
2012
Weight
26 KB
Volume
43
Category
Article
ISSN
0931-7597

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## Abstract Silica phenyl sulfonic acid (SPSA) was prepared and effectively used in the one‐pot synthesis of 2‐aryl‐1‐arylmethyl‐1H‐1,3‐benzimidazoles from __o__‐phenylenediamine with aldehydes in water in the presence of tetrabutyl ammonium bromide with good to high yield. Also, SPSA was used as a