Cyclolignans from Scyphocephalium ochocoa via high-throughput natural product chemistry methods

Phytochemistry. 2005 May;66(9):1077-82. doi: 10.1016/j.phytochem.2005.03.014.

Abstract

Two 2,7'-cyclolignans, ocholignans A and B, were obtained as mass-limited samples from Scyphocephalium ochocoa via high-throughput natural products chemistry methods. The rapid structure elucidation of each compound was primarily facilitated by NMR data acquisition using a capillary-scale NMR probe, CapNMR probe. Ocholignan A was found to possess significant in vitro antibacterial activity against Gram-positive bacteria methicillin-resistant Staphylococcus aureus ATCC 33591 and S. aureus 78-13607A with a MIC of 16 microg/mL, respectively.

MeSH terms

  • Anti-Bacterial Agents / chemistry
  • Anti-Bacterial Agents / pharmacology
  • Lignans / chemistry*
  • Lignans / pharmacology
  • Molecular Structure
  • Myristicaceae / chemistry*
  • Plant Leaves / chemistry
  • Staphylococcus aureus / drug effects

Substances

  • Anti-Bacterial Agents
  • Lignans
  • ocholignan A
  • ocholignan B