Euplectin and coneuplectin, new naphthopyrones from the lichen Flavoparmelia euplecta.

@article{ErnstRussell2000EuplectinAC,
  title={Euplectin and coneuplectin, new naphthopyrones from the lichen Flavoparmelia euplecta.},
  author={Michael A Ernst-Russell and Christina Li Lin Chai and Judith H. Wardlaw and John A. Elix},
  journal={Journal of natural products},
  year={2000},
  volume={63 1},
  pages={129-31}
}
Two new naphthopyrones, euplectin (1) and coneuplectin (2), have been isolated from the lichen Flavoparmelia euplecta and their structures elucidated using multidimensional NMR spectroscopic methods, including highfield (600 MHz) gHMBC and gNOE experiments. Cytotoxicity of the more abundant naphthopyrone (1) against the murine P-815 mastocytoma cell line (IC(50) ca. 1.67 microg/mL) has also been evaluated. These compounds are the first lichen metabolites known to contain indenone or indanone… CONTINUE READING

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