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A Heterogeneous catalyst for efficient and green synthesis of 2-arylbenzothiazoles and 2-arylbenzimidazoles

Paper ID Volume ID Publish Year Pages File Format Full-Text
43081 45954 2009 6 PDF Available
Title
A Heterogeneous catalyst for efficient and green synthesis of 2-arylbenzothiazoles and 2-arylbenzimidazoles
Abstract

Solid heteropoly acid supported on silica gel (Cu3/2PMo12O40/SiO2) is easily used as a heterogonous, reusable and efficient catalyst for synthesis of 2-arylbenzimidazoles and 2-arylbenzothiazoles by reaction of o-phenylenediamine and o-aminothiophenol with different aldehydes under various conditions (in solvent, under solvent-free conditions, microwave and ultrasonic wave irradiation). The catalyst can be reused for several times but it will be less active.

Graphical abstractSolid heteropoly acid supported on silica gel (Cu3/2PMo12O40/SiO2) is easily used as a heterogonous, reusable and efficient catalyst for synthesis of 2-arylbenzimidazoles and 2-arylbenzothiazoles by reaction of o-phenylenediamine and o-aminothiophenol with different aldehydes under various conditions. The catalyst can be reused for several times but it will be less active.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Heteropoly acids (HPAs); Polyoxometalates (POMs); 2-Arylbenzimidazoles; 2-Arylbenzothiazoles; o-Aminothiophenols; o-Phenylenediamine (OPD); Heterogeneous; Supported catalyst
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A Heterogeneous catalyst for efficient and green synthesis of 2-arylbenzothiazoles and 2-arylbenzimidazoles
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 353, Issue 1, 31 January 2009, Pages 74–79
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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