Issue 19, 2023

Red-shifted and pH-responsive imidazole-based azo dyes with potent antimicrobial activity

Abstract

A novel route is described to obtain 2—aminoimidazole azo dyes with a unique substituent pattern in the heteroaryl unit that provides halochromic properties, exhibiting vibrant colours that change from magenta to deep blue. Potent antimicrobial properties against infectious yeasts were demonstrated. No cytotoxicity was detected for concentrations lower than 16 μg mL−1.

Graphical abstract: Red-shifted and pH-responsive imidazole-based azo dyes with potent antimicrobial activity

Supplementary files

Article information

Article type
Communication
Submitted
26 Jan 2023
Accepted
03 Feb 2023
First published
07 Feb 2023

Chem. Commun., 2023,59, 2791-2794

Red-shifted and pH-responsive imidazole-based azo dyes with potent antimicrobial activity

D. Dantas, A. I. Ribeiro, F. Carvalho, E. Gil-Martins, R. Silva, F. Remião, A. Zille, F. Cerqueira, E. Pinto and A. M. Dias, Chem. Commun., 2023, 59, 2791 DOI: 10.1039/D3CC00372H

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