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Issue 20, 2017
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Synthesis and characterization of molybdic acid immobilized on modified magnetic nanoparticles as a new and recyclable catalyst for the synthesis of chromeno[4,3-b]chromenes

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Abstract

As the basic task of the current study, molybdic acid immobilized on 3-chloropropyl-grafted magnetic silica-coated Fe3O4 nanoparticles (Fe3O4@SiO2@(CH2)3OMoO3H), as a recyclable catalyst, was synthesized and characterized via FT-IR, X-ray diffraction pattern (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and vibrating sample magnetometer (VSM) analysis. The catalytic performance of this novel nanocatalyst was evaluated for the preparation of a wide range of chromeno[3,4-b]chromene derivatives in excellent yields. It is a low-cost, nontoxic, and recoverable catalyst that provides environmentally friendly reaction conditions. Additionally, the reaction does not require very high temperatures. The catalyst can be reused many times without a significant loss of its activity.

Graphical abstract: Synthesis and characterization of molybdic acid immobilized on modified magnetic nanoparticles as a new and recyclable catalyst for the synthesis of chromeno[4,3-b]chromenes

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Publication details

The article was received on 05 Jul 2017, accepted on 30 Aug 2017 and first published on 04 Sep 2017


Article type: Paper
DOI: 10.1039/C7NJ02390A
Citation: New J. Chem., 2017,41, 11584-11590
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    Synthesis and characterization of molybdic acid immobilized on modified magnetic nanoparticles as a new and recyclable catalyst for the synthesis of chromeno[4,3-b]chromenes

    F. Khosravian, B. Karami and M. Farahi, New J. Chem., 2017, 41, 11584
    DOI: 10.1039/C7NJ02390A

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