A Novel Cyclodione Coumarin from the Stem Bark of Mesua beccarianaReport as inadecuate




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1

Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia

2

Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia





*

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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 beccamarin; cyclodione coumarin; Mesua beccariana; Clusiaceae





Author: Gwendoline Cheng Lian Ee 1,* , Soek Sin Teh 1, Siau Hui Mah 1, Mawardi Rahmani 1, Yun Hin Taufiq-Yap 1 and Khalijah Awang 2

Source: http://mdpi.com/



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