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Molecules 2014, 19(6), 7317-7326; doi:10.3390/molecules19067317

Montmorillonite Clay-Promoted, Solvent-Free Cross-Aldol Condensations under Focused Microwave Irradiation

Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, Madrid 28040, Spain
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Received: 27 March 2014 / Revised: 14 May 2014 / Accepted: 26 May 2014 / Published: 4 June 2014
(This article belongs to the Special Issue Heterogeneous Acid Catalysts)
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Abstract

An environmentally benign, clean and general protocol was developed for the synthesis of aryl and heteroaryl trans-chalcones. This method involved solvent-free reaction conditions under microwave irradiation in the presence of a clay-based catalyst, and afforded the target compounds in good yields and short reaction times. Furthermore, the same conditions allowed the synthesis of symmetrical, diarylmethylene-α,β-unsaturated ketones from aromatic aldehydes and ketones. View Full-Text
Keywords: heterogenous catalysis; clays as catalysts; Lewis acids; condensation reactions; green chemistry; aldehydes; enones heterogenous catalysis; clays as catalysts; Lewis acids; condensation reactions; green chemistry; aldehydes; enones
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Rocchi, D.; González, J.F.; Menéndez, J.C. Montmorillonite Clay-Promoted, Solvent-Free Cross-Aldol Condensations under Focused Microwave Irradiation. Molecules 2014, 19, 7317-7326.

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