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Molecules 2017, 22(1), 162; doi:10.3390/molecules22010162

Phenolic Compounds from the Leaves of Castanopsis fargesii

1
Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin 541006, China
2
Department of Natural Product Chemistry, Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 6 October 2016 / Revised: 11 January 2017 / Accepted: 13 January 2017 / Published: 19 January 2017
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Abstract

In the course of a phytochemical and chemotaxonomical investigation of Castanopsis species (Fagaceae), three new phenolic compounds, (3R,1′S)-[1′-(6″-O-galloyl-β-d-gluco-pyranosyl)oxyethyl]-3-hydroxy-dihydrofuran-2(3H)-one (1), (2R,3S)-2-[2′-(galloyl)oxyethyl]-dihydroxybutanoic acid (2), and (3S,4S)-3-hydroxymethyl-3,4-dihydro-5,6,7-trihydroxy-4-(4′-hydroxy-3′-methoxyphenyl)-1H-[2]-benzopyran-1-one (3) were isolated from the fresh leaves of Castanopsis fargesii. In addition, a known phenolic glycoside, gentisic acid 5-O-α-l-rhamnopyranosyl-(1→2)-β-d-glucopyranoside (4) was also isolated and identified. Their structures were elucidated by means of spectroscopic methods including one- and two-dimensional NMR techniques. View Full-Text
Keywords: Castanopsis fargesii; Castanopsis; phenolic; cytotoxicity Castanopsis fargesii; Castanopsis; phenolic; cytotoxicity
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Huang, Y.-L.; Wang, Y.-F.; Liu, J.-L.; Wang, L.; Tanaka, T.; Chen, Y.-Y.; Lu, F.-L.; Li, D.-P. Phenolic Compounds from the Leaves of Castanopsis fargesii. Molecules 2017, 22, 162.

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