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Volume 12, Issue 1
  • ISSN: 2213-3372
  • E-ISSN: 2213-3380

Abstract

Background

In recent years, the use of nanomaterials as heterogeneous catalysts has attracted much attention in organic reactions.

Methods

A magnetically separable mixed metal oxide, Manganese Zinc Iron Oxide (MnO/FeO/ZnO) nanoparticles as nanocatalyst () were synthesized using ultrasonic wave methods in the presence of polyethylene glycol as surfactant. In the second part of the present study, a practical procedure for the one-pot ternary condensation of aromatic aldehydes, β-naphthol, and urea in short reaction time for the synthesis of pharmaceutically interesting naphtho[1,2-e][1,3]oxazine derivatives using as an efficient, cost-effective and recyclable nanocatalyst under green conditions has been developed.

Results

The analysis of phase purity, magnetic structure, size, and morphology of the as-synthesized nanocatalyst was characterized by X-ray diffraction, VSM, SEM, and EDX techniques. The results of SEM imaging showed that all compounds have a spherical morphological structure with a mean diameter of 16.50 ± 3.94 nm. The structure of the products was confirmed by FT-IR, 1H-NMR spectroscopy, and melting point.

Conclusion

This project was designed and performed with the use of magnetic nanocatalysts as a suitable method with high efficiency a shorter time for the synthesis of naphthoxazinones heterocyclic compounds due to the medicinal importance of water as a green solvent.

© 2025 Bentham Science Publishers
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2024-06-21
2025-06-26

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An Efficient and Magnetically Retrievable Mixed Metal Oxide Nanocatalyst for the Aqueous Media Three-Component Synthesis of Naphtho [1,2-e] [1,3] Oxazine Derivatives Under Green Conditions
Curr. Organocatal. 12, 2 (2025); https://doi.org/10.2174/0122133372293930240531052740
/content/journals/cocat/10.2174/0122133372293930240531052740
/content/journals/cocat/10.2174/0122133372293930240531052740
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  • Article Type:     Research Article
Keyword(s): acid catalysts; aqueous; Magnetic nano catalyst ultrasonic; medium; nanomaterials; oxazine

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