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Chemical Constituents from the Stems of Diospyros maritima
Graduate Institute of Biotechnology, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
Department of Biological Science and Technology, Meiho Institute of Technology, Pingtung 912, Taiwan
Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
School of Chinese Medicine Resources, China Medical University, Taichung 404, Taiwan
Tsuzuki Institute for Traditional Medicine, College of Pharmacy, China Medical University, Taichung 404, Taiwan
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; in revised form: 7 December 2009 / Accepted: 14 December 2009 / Published: 15 December 2009
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
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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.
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(12):5281-5288.
Chang, Chi-I; Chen, Chiy-Rong; Chiu, Hsi-Lin; Kuo, Chao-Lin; Kuo, Yueh-Hsiung. 2009. "Chemical Constituents from the Stems of Diospyros maritima." Molecules 14, no. 12: 5281-5288.