Banfoxanthone, a new prenylated xanthone from the stem bark of Garcinia ovalifolia (Guttiferaceae)
Bodrix Solitaire Noudou,Celine Mbazoa Djama,Nathalie Moraine Mamdem,Justin Komguem,Augustin Ephem Nkengfack,Joseph Tanyi Mbafor,Jean Wandji +6 more
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TLDR
One new prenylated xanthone named banfoxanthone is isolated from Garcinia ovalifolia and others species of genus Garcinia appear to be useful as chemotaxonomic markers in Garcinia.Abstract:
A detailed chemical investigation of the secondary metabolites from the extract of the stem bark of Garcinia ovalifolia led to the isolation of one new prenylated xanthone named banfoxanthone and five known compounds, namely friedeline, canophyllal, ovalifoloneA, 3-methoxycheffouxanthone, endodesmiadol. Prenylated xanthones isolated from Garcinia ovalifolia and others species of genus Garcinia appear to be useful as chemotaxonomic markers in Garcinia.read more
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Tetraoxygenated naturally occurring xanthones
Valdir Peres,Tanus Jorge Nagem +1 more
TL;DR: This review, with 350 references, gives information on the chemical study of 234 naturally occurring tetraoxygenated xanthones in 12 families, 53 genus and 182 species of higher plants, and two which are described as fungal and lichen metabolites.
Journal ArticleDOI
The guttiferones, HIV-inhibitory benzophenones from Symphonia globulifera, Garcinia livingstonei, Garcinia ovalifolia and Clusia rosea
Kirk R. Gustafson,John W. Blunt,Murray H. G. Munro,Richard W. Fuller,Tawnya C. McKee,John H. Cardellina,James B. McMahon,Gordon M. Cragg,Michael R. Boyd +8 more
TL;DR: In this article, a series of new polyisoprenylated benzophenone derivatives named guttiferones A-E (1, 2, 3, 4, 5) were found to inhibit the cytophatic effects of in vitro HIV infection.
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Antioxidant xanthones from Garcinia vieillardii
Anne-Emmanuelle Hay,Marie-Christine Aumond,Sabine Mallet,Vincent Dumontet,Marc Litaudon,David Rondeau,Pascal Richomme +6 more
TL;DR: Two new xanthones were isolated from the stem bark of Garcinia vieillardii, as were four known compounds, and each isolate was tested for its antioxidant properties based on a scavenging activity study using the stable 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical.
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Xanthones from three Garcinia species
TL;DR: In this paper, a number of xanthones have been isolated from Garcinia species, including three that appear to be novel, including isocowanin, nervosaxanthone and isocowanol.
Journal ArticleDOI
Endodesmiadiol, a Friedelane Triterpenoid, and Other Antiplasmodial Compounds from Endodesmia calophylloides
Erasmienne Tambou Ngouamegne,Rene Soh Fongang,Silvère Ngouela,Fabrice Fekam Boyom,Michel Rohmer,Etienne Tsamo,Jiri Gut,Philip J. Rosenthal +7 more
TL;DR: From the ethyl acetate extract of the stem bark of Endodesmia calophylloides, a novel friedelane triterpenoid named endodesmiadiol has been isolated and the antiplasmodial activity of the isolated compounds was evaluated against the W2 strain of Plasmodium falciparum which is resistant to chloroquine and other antimalarial drugs.