A Green Synthesis of 3, 4-Dihydropyrimidin-2(1H)-ones via One-Pot Multi-Component Reaction by Using Cuttlebone as a Natural Catalyst under Solvent-Free Conditions

Nooshin Firoozeh, Soodabeh Rezazadeh, Cobra Izanloo

Abstract


In this paper, an efficient, green and eco-friendly method for synthesis of 3,4-dihydropyrimidin-2(1H)-ones via one-pot multi-component reaction of aldehydes, urea and ethyl acetoacetate is shown at the presence of cuttlebone as an effective, reusable and natural heterogeneous catalyst. The advantages of this method are short reaction times, high yields, simple work-up, and reusable natural catalysts. The structure of cuttlebone was characterized by FT-IR spectrum, scanning electron microscopy (SEM) and energy dispersive spectrometer (SEM-EDS).

Keywords


Cuttlebone; 3, 4-dihydropyrimidin-2(1H)-ones; aldehydes; one-pot reaction; green

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Copyright (c) 2017 Nooshin Firoozeh, Soodabeh Rezazadeh, Cobra Izanloo

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Journal of the Mexican Chemical Society (J. Mex. Chem. Soc.) Vol 61, No 3 (2017). Quarterly publication (July-September). Edited and distributed by Sociedad Química de México, A.C. Barranca del Muerto 26, Col. Crédito Constructor, Del. Benito Juárez, C.P. 03940, Mexico City. Phone: +5255 56626837; +5255 56626823 Contact: soquimex@sqm.org.mx http://www.sqm.org.mx Editor-in-Chief: Ignacio González-Martínez. Indexed Journal. Certificate of reserved rights granted by the Instituto Nacional del Derecho de Autor (INDAUTOR): 04-2005-052710530600-102. Certificate of lawful title and content: Under procedure. ISSN-e granted by the Instituto Nacional del Derecho de Autor (INDAUTOR): Under Procedure. ISSN granted by the Instituto Nacional del Derecho de Autor (INDAUTOR): 1870-249X. Postal registration of printed matter deposited by editors or agents granted by SEPOMEX: IM09-0312 Copyright © Sociedad Química de México, A.C. Total or partial reproduction is prohibited without written permission of the right holder. The Figures/schemes quality and the general contents of this publication are full responsibility of the authors. Updated October 26th, 2017 by Adriana Vázquez (editorial assistant, e-mail: editor.jmcs@gmail.com), J. Mex. Chem. Soc., Sociedad Química de México, A.C.