Journal
CATALYSIS COMMUNICATIONS
Volume 20, Issue -, Pages 54-57Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2012.01.001
Keywords
Trityl chloride; Organocatalyst; Multi-component reaction; Solvent free; 12-aryl-8,9,10,12-tetrahydrobenzo[a]-xanthen-11-one
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Funding
- Research Affairs Office of Bu-Ali Sina University [32-1716]
- Center of Excellence in Development of Chemical Method (CEDCM), Hamedan, I.R. Iran
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A highly efficient and novel procedure for the preparation of 12-aryl-8,9,10,12-tetrahydrobenzo[a]-xanthen-11-one derivatives via the one-pot three-component condensation of 2-naphthol with arylaldehydes and dimedone in the presence of catalytic amount of trityl chloride (TrCl) as a homogeneous organocatalyst under natural and solvent-free conditions is described. It is interesting that TrCl by in situ formation of trityl carbocation with inherent instability catalyzes the reaction. (C) 2012 Elsevier B.V. All rights reserved.
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