Solvent-free synthesis and characterization of antibacterial azo dyes in the presence of Bronsted-acid ionic liquid as a green catalyst
الموضوعات : Iranian Journal of CatalysisAbdolhamid Bamoniri 1 , Ali Reza Pourali 2 , S. Mohammad Reza Nazifi 3
1 - Departement of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I.R. Iran.
2 - School of Chemistry, Damghan University, Damghan, I.R. Iran.
3 - School of Chemistry, Damghan University, Damghan, I.R. Iran.
الکلمات المفتاحية: antibacterial, Ionic Liquid, Azo Dyes, 2-Naphthol, Bronsted acid,
ملخص المقالة :
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.
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