Novel boronium salt exhibits substantial antibacterial activity when compared to a commercial quaternary ammonium disinfectant

Bioorg Med Chem Lett. 2021 Mar 15:36:127808. doi: 10.1016/j.bmcl.2021.127808. Epub 2021 Jan 19.

Abstract

Commercial disinfectants are routinely used to decontaminate surfaces where microbes are expected and unwelcome. Several disinfectants contain quaternary ammonium salts, or "quats", all being derived from ammonium. Quaternary alkyl dimethyl benzyl ammonium chloride or bromide disinfectants are widely available. These compounds are effective in reducing or eliminating bacteria on contaminated nonporous surfaces. A unique benzyl derived boronium salt with strong detergent action has been developed. It demonstrated 4-8X greater antibacterial activity against 3 different bacteria when compared to an equal concentration of a commercial quant disinfectant solution containing alkyl dimethyl benzyl ammonium chloride and alkyl dimethyl ethylbenzyl ammonium chloride. Antibacterial effectiveness of each agent was determined by the minimum inhibitory concentration (MIC) method.

Keywords: Bactericidal; Bacteriostatic; Boronium ion; Disinfectants; Quaternary ammonium.

MeSH terms

  • Anti-Bacterial Agents / chemical synthesis
  • Anti-Bacterial Agents / chemistry
  • Anti-Bacterial Agents / pharmacology*
  • Bromides / chemical synthesis
  • Bromides / chemistry
  • Bromides / pharmacology*
  • Disinfectants / chemical synthesis
  • Disinfectants / chemistry
  • Disinfectants / pharmacology*
  • Dose-Response Relationship, Drug
  • Escherichia coli / drug effects
  • Microbial Sensitivity Tests
  • Molecular Structure
  • Pseudomonas aeruginosa / drug effects
  • Quaternary Ammonium Compounds / chemical synthesis
  • Quaternary Ammonium Compounds / chemistry
  • Quaternary Ammonium Compounds / pharmacology*
  • Staphylococcus aureus / drug effects
  • Structure-Activity Relationship

Substances

  • Anti-Bacterial Agents
  • Bromides
  • Disinfectants
  • Quaternary Ammonium Compounds