Nocapyrones A-D, gamma-pyrones from a Nocardiopsis strain isolated from the marine sponge Halichondria panicea.

@article{Schneemann2010NocapyronesAG,
  title={Nocapyrones A-D, gamma-pyrones from a Nocardiopsis strain isolated from the marine sponge Halichondria panicea.},
  author={Imke Schneemann and Birgit Ohlendorf and Heidi Zinecker and Kerstin Nagel and Jutta Wiese and Johannes F Imhoff},
  journal={Journal of natural products},
  year={2010},
  volume={73 8},
  pages={1444-7}
}
Four new gamma-pyrones, nocapyrones A-D (1-4), were isolated from an organic extract of the Nocardiopsis strain HB383, which was isolated from the marine sponge Halichondria panicea. These are the first gamma-pyrones reported from a Nocardiopsis strain. The structures were elucidated on the basis of one- and two-dimensional NMR experiments and supported by HPLC-UV/MS and HRESIMS analyses. The biosynthesis of nocapyrone A was investigated by feeding experiments with (13)C-labeled compounds. In… CONTINUE READING

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