Abstract
New bispyridinium dichlorides based on 2,2-bis(hydroxymethyl)propane-1,3-diyl spacer were synthesized from pentaerythritol, 4-aminopyridine, and carboxylic acids. The resulting biocides possess a high antibacterial effect. The minimal inhibitory concentration (MIC) of these compounds against pathogenic bacteria, namely, gram-positive Methicillin-resistant Staphylococcus aureus (strain ATCC 25923) and gram-negative Escherichia coli (ATCC 25922) and Pseudomonas aeruginosa (ATCC 27853), was established. The influence of the alkyl substituent length in salts on their microbiological activity was studied.
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