Green Approach for Highly Efficient Synthesis of Polyhydroquinolines Using Fe3O4@PEO-SO3H as a Novel and Recoverable Magnetic Nanocomposite Catalyst

Author(s): Mojtaba Azizi, Ali Maleki*, Farahman Hakimpoor, Razieh Firouzi-Haji, Mina Ghassemi, Jamal Rahimi

Journal Name: Letters in Organic Chemistry

Volume 15 , Issue 9 , 2018

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Graphical Abstract:


A novel and green heterogeneous nanocomposite, polyethylene oxide sulfonic acid coated on magnetic nanoparticles surface (Fe3O4@PEO-SO3H), was successfully synthesized and completely characterized by Fourier-transforms infrared spectroscopy (FT-IR), energy-dispersive X-ray spectroscopy (EDX), vibrating sample magnetometry (VSM), inductively-coupled plasma (ICP), Brunauer– Emmett-Teller (BET), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analyses. Then, its catalytic activity was investigated in a one-pot four-component synthesis of polyhydroquinolines (PHQs). The present work includes various advantages such as high-to-excellent yields, short reaction times and availability of the substrates, reusability of the catalyst, operational simplicity and environmentally-benign conditions.

Keywords: Magnetic nanoparticles, multicomponent reaction, nanocomposite, Hantzsch reaction, polyhydroquinoline, catalytic activity.

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Article Details

Year: 2018
Published on: 26 July, 2018
Page: [753 - 759]
Pages: 7
DOI: 10.2174/1570178615666180126155204
Price: $65

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