Journal of the Chemical Society Perkin Transactions 1 · 1977 · 18 citations · 0 references
Life SciencesBotanyPlant SciencesEthnobotanyPlant BiochemistryAroma CompoundsAromatic PlantsFlavoring PlantsMedicinal Plant KnowledgeMedicinal PlantsVolatile Aroma AnalysisActive Compound IsolationMacerated Plant ExtractsMedicinal Aromatic PlantsMedicinal Plant ResourcesPlant-derived Natural Products
From the bark and timber extracts of Pentadesma butyracea Sabine the following compounds have been isolated: β-amyrin acetate, β-amyrin, β-sitosterol, 1,3,5-trihydroxy-2-methoxyxanthone, jacareubin, osajaxanthone, and a new xanthone, pentadesmaxanthone, identified as 5,9,11-trihydroxy-3,3-dimethyl-6,8-bis-(3-methylbut-2-enyl)-3H,12H-pyrano[3,2-a]xanthen-12-one.