Solvent-free synthesis and characterization of antibacterial azo dyes in the presence of Bronsted-acid ionic liquid as a green catalyst

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  • Abdolhamid Bamoniri1,
  • Ali Reza Pourali2,
  • S. Mohammad Reza Nazifi2,
  1. Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Iran
  2. School of Chemistry, Damghan University, Damghan, I.R. Iran.

Published in Issue 2024-02-03

How to Cite

Bamoniri, A., Pourali, A. R., & Nazifi, S. M. R. (2024). Solvent-free synthesis and characterization of antibacterial azo dyes in the presence of Bronsted-acid ionic liquid as a green catalyst. Iranian Journal of Catalysis, 2(4). https://oiccpress.com/ijc/article/view/3743

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Abstract

A convenient and efficient direct protocol for the preparation of antibacterial azo dyes by the reaction of 2-naphthol with aromatic amines in the presence of catalytic amount of N-methyl-2-pyrrolidonium hydrogen sulfate ([H-NMP]HSO4) was carried out under solvent free conditions. This method has some advantages such as: easy work-up and easy separation of catalyst from the reaction mixture. The in vitro antibacterial activities of some compounds were studied using gram positive and negative microorganisms.

Keywords

  • 2-Naphthol,
  • antibacterial,
  • Azo Dyes,
  • Bronsted acid,
  • Ionic liquid
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