Journal
INORGANIC CHEMISTRY
Volume 60, Issue 19, Pages 15010-15023Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.1c02470
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Funding
- Iran National Science Foundation
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A novel catalyst was developed by attaching a Cu(proline)(2) complex to magnetic nanoparticles through cost-effective and easily available chemicals, showing high catalytic activity in synthesizing pyran derivatives. The catalyst can be easily separated and reused multiple times without significant decrease in efficiency, offering operational simplicity, high product yields, environmental friendliness, and economical processing.
A novel catalyst has been afforded by attaching of a Cu(proline)(2) complex to magnetic nanoparticles through cheap, simple, and readily available chemicals. This catalyst was characterized by Fourier transform infrared, energy-dispersive X-ray, X-ray diffraction, vibrating-sample magnetometry, transmission electron microscopy, scanning electron microscopy, and inductively coupled plasma analyses. The catalytic activity of the Fe3O4@NH2@ TCT@HProCu nanocatalyst was investigated in a green and effective synthesis of pyran derivatives in high yields by applying three-component reactions of malononitrile, dimedone, and aldehydes in ethanol. Conversion was high under optimal conditions. The obtained nanocatalyst could be easily separated from the mixture of the reaction and was recyclable nine times via a simple magnet without considerable reduction of its catalytic efficiency. Operational simplicity, high product yields, environmental friendliness, ecofriendliness, economical processing, and easy workup are the features of this methodology.
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