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A New Pyranoxanthone from Calophyllum soulattri
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
* Author to whom correspondence should be addressed.
Received: 21 March 2011; in revised form: 8 April 2011 / Accepted: 19 April 2011 / Published: 12 May 2011
Abstract: Our interest on xanthones from the Calophyllum genus has led us to a detailed study on the chemistry of the stem bark of Calophyllum soulattri. This gave one new pyranoxanthone, soulattrin (1), together with three other xanthones, caloxanthone B (2), caloxanthone C (3), macluraxanthone (4), the triterpene friedelin (5) and the steroid stigmasterol (6). The identities of these compounds were established using analyses of 1D and 2D NMR data.
Keywords: soulattrin; pyranoxanthone; Calophyllum soulattri; Guttiferae
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MDPI and ACS Style
Mah, S.H.; Ee, G.C.L.; Rahmani, M.; Taufiq-Yap, Y.H.; Sukari, M.A.; Teh, S.S. A New Pyranoxanthone from Calophyllum soulattri. Molecules 2011, 16, 3999-4004.
Mah SH, Ee GCL, Rahmani M, Taufiq-Yap YH, Sukari MA, Teh SS. A New Pyranoxanthone from Calophyllum soulattri. Molecules. 2011; 16(5):3999-4004.
Mah, Siau Hui; Ee, Gwendoline Cheng Lian; Rahmani, Mawardi; Taufiq-Yap, Yun Hin; Sukari, Mohd Aspollah; Teh, Soek Sin. 2011. "A New Pyranoxanthone from Calophyllum soulattri." Molecules 16, no. 5: 3999-4004.