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|Title:||A new pyrano xanthone from the stem barks of Garcinia tetrandra Pierre||Authors:||Hartati, S.
New pyrano xanthone [1,3-dihydroxy,2′,2′-dimethyl pyrano (5′,6′,5,6) xanthone]
|Issue Date:||1-Jan-2008||Citation:||Hartati, S.,Kadono, L.B.S.,Kosela, S.,Harrison, L.J. (2008-01-01). A new pyrano xanthone from the stem barks of Garcinia tetrandra Pierre. Journal of Biological Sciences 8 (1) : 137-142. ScholarBank@NUS Repository.||Abstract:||In a search of bioactive constituents from Guttiferae plants, we have isolated, purified by combining chromatography methods (Gravitation column chromatography, flash column chromatography and preparative chromatography) and elucidated a new pyrano xanthone tetrandraxanthone [1,3-dihydroxy,2′,2′-dimethyl pyrano (5′,6′,5,6) xanthone] (1) and seven known compounds cudraxanthone (2), lupeol (3), stigmasterol (4), thawaitesixanthone (5), 3-α-hopenol (6), isophrenyl benzophenones cambogin (7) and camboginol (8) from hexane and acetone extracts of the stem barks of Garcinia tetrandra Pierre. Their structures were established by spectroscopical data, including 1-D and 2-D NMR. These compounds are the first time reported from this plant. © 2008 Asian Network for Scientific Information.||Source Title:||Journal of Biological Sciences||URI:||http://scholarbank.nus.edu.sg/handle/10635/75452||ISSN:||17273048|
|Appears in Collections:||Staff Publications|
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