Journal
TETRAHEDRON LETTERS
Volume 54, Issue 6, Pages 579-583Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.11.091
Keywords
CuO nano-particles(CuO-np/SiO2); Heterogeneous catalyst; Benzimidazole; Benzothiazoles; Benzoxazoles
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Funding
- Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam, India
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A facile synthetic route for benzimidazoles, benzothiazoles and benzoxazoles comprising the reaction of corresponding o-phenylenediamine, o-aminothiophenol and o-aminophenol with various aldehydes using silica supported nano-copper (II) oxide as a catalyst has been described. The catalyst exhibited a clean reaction profile with excellent yields in a short reaction time. The catalyst can be recycled effectively after use. (c) 2012 Published by Elsevier Ltd.
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