Journal
APPLIED CATALYSIS A-GENERAL
Volume 353, Issue 1, Pages 74-79Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2008.10.035
Keywords
Heteropoly acids (HPAs); Polyoxometalates (POMs); 2-Arylbenzimidazoles; 2-Arylbenzothiazoles; o-Aminothiophenols; o-Phenylenediamine (OPD); Heterogeneous; Supported catalyst
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Funding
- Islamic Azad University, Shahreza Branch
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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. (C) 2008 Elsevier B.V. All rights reserved.
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