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The biflavonoids of Garcinia volkensii (Guttiferae)
Phytochemistry, 1970Abstract In addition to the known biflavonoids GB-1a, GB-2a and morelloflavone, the heartwood of Garcinia volkensii Engl. contains volkensiflavone, a new flavanone-flavone whose constituent units are naringenin and apigenin.
G.A. Herbin +4 more
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Extractives from guttiferae—VIII
Tetrahedron, 1968Abstract The heartwood of Calophyllum scriblitifolium Henderson and Wyatt-Smith is shown to contain three new structurally related xanthones. These are 6-(4-hydroxy-3-methylbutanyl)1,5-dihydroxyxanthone, 6-(4-hydroxy-3-methylbut-2-enyl)1,5-dihydroxyxanthone and 6-(3,3-dimethylallyl)1,5-dihydroxyxanthone.
B. Jackson, H.D. Locksley, F. Scheinmann
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Calophyllum (Clusiaceae – Guttiferae) in Africa
Kew Bulletin, 2016Calophyllum africanum Cheek & Q. Luke is described and illustrated from Mali, in that part close to the Fouta Djalon of Guinea. Plant species present in its gallery forest habitat are listed in detail. Threatened by gold and uranium mining activities, C.
Martin Cheek, Quentin Luke
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The chemistry of brazilian guttiferae—V
Tetrahedron, 1966Abstract 4-Methoxy-2,3-methylenedioxyxanthone, 4-hydroxy-2,3-methylenedioxyxanthone, 2,3-dimethoxy-4-hydroxyxanthone, 3,4-dihydroxy-2-methoxyxanthone, 1,3-dimethoxy-5-hydroxyxanthone and 1,5-dihydroxy-3-methoxyxanthone were isolated from two Kielmeyera species. The structures were determined by interconversions and spectrometric methods.
O.R. Gottlieb +4 more
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Xanthones from Garcinia mangostana (Guttiferae)
Natural Product Research, 2006Studies on the stem of Garcinia mangostana have led to the isolation of one new xanthone mangosharin (1) (2,6-dihydroxy-8-methoxy-5-(3-methylbut-2-enyl)-xanthone) and six other prenylated xanthones, alpha-mangostin (2), beta-mangostin (3), garcinone D (4), 1,6-dihydroxy-3,7-dimethoxy-2-(3-methylbut-2-enyl)-xanthone (5), mangostanol (6) and 5,9 ...
G C L, Ee +4 more
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A New Combination in Kielmeyera (Guttiferae)
Kew Bulletin, 1984This paper, which is part of a detailed monographic revision of the genus Kielmeyera, aims to recognize the independent specific status ofK. grandiflora and to provide a better circumscription of it. The epithet grandiflora, which belongs to the K. coriacea complex, was previously and originally described by Wawra (1886) as a variety of that species ...
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Evolutionary Recall in Hypericum (Guttiferae)?
Transactions of the Botanical Society of Edinburgh, 1972Summary Evidence is adduced that the ‘hypogynous bodies’ found in two unrelated sections of Hypericum are, at the same time, ‘new’ organs in Hypericum and yet homologous with sterile stamen facicles in other genera of the Guttiferae. Their reappearance is related to the development of specialised insect pollination.
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Evolution of Xanthones in Gentianaceae and Guttiferae
1982A literature survey, completed towards the beginning of 1977, revealed a registry of 107 xanthones from 23 genera (65 species) of Guttiferae, 93 xanthones from 7 genera (43 species) of Gentianaceae, 13 xanthones from 1 genus (4 species) of Polygalaceae, 10 xanthones from 2 genera (2 species) of Moraceae and 3 xanthones from 1 genus (1 species) of ...
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