Synthesis and Antimicrobial Activity of a New Series of Thiazolidine-2,4-diones Carboxamide and Amino Acid Derivatives

Molecules. 2019 Dec 27;25(1):105. doi: 10.3390/molecules25010105.

Abstract

Novel thiazolidine-2,4-dione carboxamide and amino acid derivatives were synthesized in excellent yield using OxymaPure/N,N'-diisopropylcarbodimide coupling methodology and were characterized by chromatographic and spectrometric methods, and elemental analysis. The antimicrobial and antifungal activity of these derivatives was evaluated against two Gram-positive bacteria (Staphylococcus aureus and Bacillus subtilis), two-Gram negative bacteria (Escherichia coli and Pseudomonas aeruginosa), and one fungal isolate (Candida albicans). Interestingly, several samples demonstrated weak to moderate antibacterial activity against Gram-negative bacteria, as well as antifungal activity. However, only one compound namely, 2-(5-(3-methoxybenzylidene)-2,4-dioxothiazolidin-3-yl)acetic acid, showed antibacterial activity against Gram-positive bacteria, particularly S. aureus.

Keywords: OxymaPure; antibacterial activity; thiazolidine-2,4-dione amino acid ester; thiazolidine-2,4-dione carboxamide.

MeSH terms

  • Anti-Infective Agents* / chemical synthesis
  • Anti-Infective Agents* / chemistry
  • Anti-Infective Agents* / pharmacology
  • Bacteria / growth & development*
  • Candida albicans / growth & development*
  • Thiazolidinediones* / chemical synthesis
  • Thiazolidinediones* / chemistry
  • Thiazolidinediones* / pharmacology

Substances

  • Anti-Infective Agents
  • Thiazolidinediones