New dimeric naphthopyrones from Aspergillus niger

J Nat Prod. 2003 Jan;66(1):136-9. doi: 10.1021/np020174p.

Abstract

Three new dimeric naphthopyrones, asperpyrones A (1), B (2), and C (3), together with two known compounds, fonsecinone A (4) and aurasperone A (5), have been isolated from okara that was fermented with Aspergillus niger JV-33-48. Compounds 1, 4, and 5 showed inhibitory activity on Taq DNA polymerase.

MeSH terms

  • Aspergillus niger / chemistry*
  • Base Sequence
  • Enzyme Inhibitors / chemistry
  • Enzyme Inhibitors / isolation & purification*
  • Enzyme Inhibitors / pharmacology
  • Japan
  • Molecular Structure
  • Naphthalenes / chemistry
  • Naphthalenes / isolation & purification*
  • Naphthalenes / pharmacology
  • Nuclear Magnetic Resonance, Biomolecular
  • Pyrones / chemistry
  • Pyrones / isolation & purification*
  • Pyrones / pharmacology
  • Taq Polymerase / antagonists & inhibitors*

Substances

  • Enzyme Inhibitors
  • Naphthalenes
  • Pyrones
  • Taq Polymerase