Three new types of indoloditerpenes, emindole PA-PC, from Emericella purpurea. Revision of the structure of emindole PA.

@article{Hosoe2006ThreeNT,
  title={Three new types of indoloditerpenes, emindole PA-PC, from Emericella purpurea. Revision of the structure of emindole PA.},
  author={T. Hosoe and T. Itabashi and Nao Kobayashi and S. Udagawa and K. Kawai},
  journal={Chemical & pharmaceutical bulletin},
  year={2006},
  volume={54 2},
  pages={
          185-7
        }
}
Three new type indoloditerpenes, emindoles PA (1), PB (2), and PC (3), were isolated from the mycelium of Emericella purpurea along with the sesterterpenes variecolol and variecolactone, and the dicyanide derivatives epurpurins A to C. The structures of 1-3 were confirmed by the spectroscopic investigation. The structure of emindoles PA (1) was revised from our preliminary report. Emindoles PA (1), PB (2), and PC (3) are the indoloditerpenes having a new type of carbon skeleton. 
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