Abstract

Polygodial, isopolygodial, mukaadial and polygonone were isolated for the first time from Capsicodendron dinisii. Thus, with respect to drimane-type sesquiterpenoids of the Canellaceae, the close affinity of the South American genus Capsicodendron with the African genus Warburgia rather than the Madagascarian genus Cinnamosma is established.

Highlights

  • Stem bark of the South American arboreal species Capsicodendron dinisii (Schwacke) was reported to contain two cytotoxic compounds, cinnamodial (1d) and capsicodendrin (1e), besides three inactive compounds 6β-acetoxyisodrimenin (3a), ugandensolide (3b) and futronolide (3c)

  • Capsicodendron dinisii was collected near Curitiba and identified by Dr Gerdt Hatschbach

  • Partitioned between C6H14 and MeOH-H2O 19:1. Both solutions were evaporated to dryness, leading respectively to 18 and 38 g of residue. The latter partition fraction of the crude hexane extract was submitted to column chromatography (Si gel, 60 g)

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Summary

Introduction

Stem bark of the South American arboreal species Capsicodendron dinisii (Schwacke) was reported to contain two cytotoxic compounds, cinnamodial (1d) and capsicodendrin (1e), besides three inactive compounds 6β-acetoxyisodrimenin (3a), ugandensolide (3b) and futronolide (3c). The leaf-twig extract of the same species yielded another cytotoxic compound, cinnamosmolide (4c)[1]

Isolation of the constituents
Results and Discussion
Cinnamosma fragans
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