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KMID : 1059520110550030430
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Journal of the Korean Chemical Society
2011 Volume.55 No. 3 p.430 ~ p.435
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Knoevenagel Reaction in Water Catalyzed by Mesoporous Silica Materials Synthesized from Industrial Waste Coal Fly Ash
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Dhokte, Aashish O.
Khillare, Santosh L.
Lande, Machhindra K.
Arbad, Balasaheb R.
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Abstract
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Coal fly ash of thermal power plants converted into mesoporous materials MCM-41. The synthesized material was characterized by XRD, FT-IR, SEM, and EDS techniques. The catalytic activity of prepared material was studied for the synthesis of 5-arylindene malononitriles via Knoevenagel condensation of aromatic aldehydes and malonontrile is described. The features of present method are easy handling, stability, reusability, and eco-friendliness of catalyst, high yields, short reaction time, simple experimental and work up procedure.
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KEYWORD
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Coal fly ash (CFA), Mesoporous silica materials (MCM-41), Knoevenagel condensation reaction, Heterogeneous catalysis
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