Green Technique-Solvent Free Microwave Synthesis and Antimicrobial Evaluation of New Thiopyridine Arabinosides

Molecules. 2016 Apr 19;21(4):477. doi: 10.3390/molecules21040477.

Abstract

A green protocol has been applied to synthesize a novel series of 3-cyano-2-(tri-O-acetyl-β-D-arabinopyranosylthio)pyridines in a short reaction time, in higher yields and with simpler operations, when compared with the conventional heating method. Deacetylation of the obtained acetylated arabinosides produced 2-(β-D-arabinopyranosylthio)-3-cyanopyridines. The structures of the obtained products were confirmed on the basis of spectroscopic data (FT-IR, 1D, 2D-NMR). The synthesized compounds were screened for the antimicrobial activity against a selection of Gram positive and Gram negative bacteria.

Keywords: 2(1H)-pyridinethione; antimicrobial; green synthesis; microwave; nucleosides; solvent-free conditions.

MeSH terms

  • Anti-Bacterial Agents / chemical synthesis
  • Anti-Bacterial Agents / chemistry
  • Anti-Bacterial Agents / pharmacology
  • Green Chemistry Technology / methods*
  • Microbial Sensitivity Tests
  • Microwaves
  • Pyridines / chemical synthesis*
  • Pyridines / chemistry
  • Pyridines / pharmacology*
  • Solvents / chemistry
  • Spectroscopy, Fourier Transform Infrared

Substances

  • Anti-Bacterial Agents
  • Pyridines
  • Solvents