New dimeric naphthopyrones from Aspergillus niger.

  title={New dimeric naphthopyrones from Aspergillus niger.},
  author={Kohki Akiyama and Seigo Teraguchi and Yukiko Hamasaki and Mika Mori and Kunihiko Tatsumi and Kenji Ohnishi and Hideo Hayashi},
  journal={Journal of natural products},
  volume={66 1},
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. 

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