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- Title
Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub>@(C<sub>3</sub>H<sub>6</sub>)<sub>2</sub>-(IMIDAZOLIUM)<sub>2</sub>-BUTYL][MnCl<sub>4</sub><sup>2-</sup>] AS A NOVEL NANOMAGNETIC CATALYST FOR THE ONE-POT SYNTHESIS OF TETRAHYDROBENZO[b]PYRAN DERIVATIVES.
- Authors
Hormozinezhad, Zahra; Gorjizadeh, Maryam; Taheri, Narges; Sayyahi, Soheil
- Abstract
In this article a convenient method for the synthesis of tetrahydrobenzo[b]pyran derivatives using imidazolium-based ionic liquid-stabilized on magnetic nanoparticles [Fe3O4@SiO2@(C3H6)2-(IMIDAZOLIUM)2-BUTYL][MnCl42-] as a new heterogeneous catalyst has been described. These compounds were synthesized via onepot three component condensation reaction between several aromatic aldehydes, malononitrile, and dimedone in water under reflux condition. The magnetic nanoparticle catalyst was fully characterized by Fourier transform infrared, scanning electron microscopy, energy dispersive X-ray spectroscopy, and vibrating sample magnetometer. Furthermore, the solid catalyst could be recovered and reused conveniently several times with satisfactory yields.
- Subjects
IMIDAZOLES; NANOMAGNETICS; PYRAN derivatives; IONIC liquids; FOURIER transforms
- Publication
Bulletin of the Chemical Society of Ethiopia, 2018, Vol 32, Issue 2, p309
- ISSN
1011-3924
- Publication type
Article
- DOI
10.4314/bcse.v32i2.10