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Molecules 2009, 14(12), 5281-5288; doi:10.3390/molecules14125281
Article

Chemical Constituents from the Stems of Diospyros maritima

1
,
2
,
3, 4,†
 and
3,5,6,†,*
1 Graduate Institute of Biotechnology, National Pingtung University of Science and Technology, Pingtung 912, Taiwan 2 Department of Biological Science and Technology, Meiho Institute of Technology, Pingtung 912, Taiwan 3 Department of Chemistry, National Taiwan University, Taipei 106, Taiwan 4 School of Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan 5 Tsuzuki Institute for Traditional Medicine, College of Pharmacy, China Medical University, Taichung 404, Taiwan 6 Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115, Taiwan These authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 1 November 2009 / Revised: 7 December 2009 / Accepted: 14 December 2009 / Published: 15 December 2009
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Abstract

A new phenolic, bis(6-hydroxy-2,3,4-trimethoxylphen-1-yl)methane (1) and a new butanedioate, butylmethyl succinate (2), along with twenty-nine known compounds including one naphthoquinone derivative, two chromanones, eight benzenoids, one lignan, one tocopherol, and sixteen triterpenoids were isolated from the stems of Diospyros maritima. epi-Isoshinanolone (3) was isolated in pure form for the first time. In addition, 5,7-dihydroxy-2-methylchomanone (4) was isolated from a natural source for the first time. Their structures were established on the basis of spectroscopic data as well as direct comparison with authentic samples.
Keywords: Diospyros maritima; Ebenaceae; bis(6-hydroxy-2,3,4-trimethoxylphen-1-yl)methane; butylmethyl succinate Diospyros maritima; Ebenaceae; bis(6-hydroxy-2,3,4-trimethoxylphen-1-yl)methane; butylmethyl succinate
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Chang, C.-I.; Chen, C.-R.; Chiu, H.-L.; Kuo, C.-L.; Kuo, Y.-H. Chemical Constituents from the Stems of Diospyros maritima. Molecules 2009, 14, 5281-5288.

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