Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 211, Issue -, Pages 373-380Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molliq.2015.07.049
Keywords
Silica-bonded imidazolium-sulfonic acid chloride (SBISAC); Nanocatalyst; Multi-component reaction; Solvent-free; 12-aryl-8,9,10,12-tetrahydrobenzo[a]-xanthen-11-one
Funding
- Bu-Ali Sina University Research Council
- Center of Excellence in Development of Environmentally Friendly Methods for Chemical Synthesis (CEDEFMCS)
- University of Sayyed Jamaleddin Asadabadi
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In this work, a novel nanostructured silica-bonded ionic liquid namely silica-bonded imidazolium-sulfonic acid chloride (SBISAC) has been prepared, and characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), thermal gravimetric analysis (TGA), differential thermal gravimetric (DTG), transmission electron microscopy (TEM) and energy dispersive X-ray analysis (EDX) spectra. Then, SBISAC was utilized as an efficient and heterogeneous nanocatalyst for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]-xanthen-11-ones via the one-pot three-component condensation reaction of arylaldehydes with 2-naphthol and dimedone (5,5-dimethylcyclohexane-1,3-dione) under solvent-free conditions. (C) 2015 Elsevier B.V. All rights reserved.
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