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A Novel Cyclodione Coumarin from the Stem Bark of Mesua beccariana
Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
* Author to whom correspondence should be addressed.
Received: 19 July 2011; in revised form: 1 August 2011 / Accepted: 15 August 2011 / Published: 25 August 2011
Abstract: Our ongoing investigations on the stem bark of Mesua beccariana afforded a novel cyclodione coumarin, beccamarin, together with two known xanthones, mesuarianone, mesuasinone, two anthraquinones, 4-methoxy-1,3,5-trihydroxy-anthraquinone and 2,5-dihydroxy-1,3,4-trimethoxyanthraquinone and one coumarin, mammea A/AB. The structures were elucidated by 1D and 2D NMR and MS techniques.
Keywords: beccamarin; cyclodione coumarin; Mesua beccariana; Clusiaceae
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Ee, G.C.L.; Teh, S.S.; Mah, S.H.; Rahmani, M.; Taufiq-Yap, Y.H.; Awang, K. A Novel Cyclodione Coumarin from the Stem Bark of Mesua beccariana. Molecules 2011, 16, 7249-7255.
Ee GCL, Teh SS, Mah SH, Rahmani M, Taufiq-Yap YH, Awang K. A Novel Cyclodione Coumarin from the Stem Bark of Mesua beccariana. Molecules. 2011; 16(9):7249-7255.
Ee, Gwendoline Cheng Lian; Teh, Soek Sin; Mah, Siau Hui; Rahmani, Mawardi; Taufiq-Yap, Yun Hin; Awang, Khalijah. 2011. "A Novel Cyclodione Coumarin from the Stem Bark of Mesua beccariana." Molecules 16, no. 9: 7249-7255.