Synthetic studies toward natural chromenes with biological activity:
Asymmetric total synthesis of gonytolide C and blennolide C via spiro chromanone

• In: Poster Presentation
• At: Stockholm (Sweden) (2017)
• Type: Poster
• Poster code: P-A-021-Monday
• By: KUMAMOTO, Takuya (Musashino University, Faculty of Pharmaceutical Sciences, Nishitokyo, Japan)
• Co-author(s): Kanna Adachi: Faculty of Pharmaceutical Sciences, Musashino University, Nishitokyo, Japan
  Kazuaki Katakawa: Faculty of Pharmaceutical Sciences, Musashino University, Nishitokyo, Japan
  Takuya Kumamoto: Faculty of Pharmaceutical Sciences, Musashino University, Nishitokyo, Japan
  
• Abstract:

  Backgrounds

  Naturally-occurring xanthones and their biogenetically related chromanones with δ-butyrolactones have been isolated from a wide range of plants, bacteria, and fungi. Secalonic acid B (1) was isolated as dimeric xanthones from ergot and the monomeric blennolide C (2) was isolated with 1 from fungus Blennoria sp. Gonytolide A (3), dimeric ..

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