Chemical Constituents from Stems of Rhododendron delavayi Franch.

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NATURAL PRODUCT RESEARCH AND DEVELOPMENT ›› 2012, Vol. 23 ›› Issue (6): 757-. doi: A

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Chemical Constituents from Stems of Rhododendron delavayi Franch.

XU Jin-jin^{1, 2}, WANG Yue-hu¹, WANG Hong-sheng^{1, 2}, WANG Huan^{1, 2}, HUANG Qiao-qin^{1, 2}, LONG Chun-lin^{1, 3*}

¹Key Laboratory of Biotechnology and Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China; ²Yunnan Agricultural University, Kunming 650201, China; ³College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China

Received:2010-11-10 Online:2012-07-04 Published:2012-07-06

Abstract

Abstract: Ten compounds were isolated from the stems of Rhododendron delavayi Franch. by various chromatographic techniques. By spectroscopic methods, their structures were elucidated as isorhamnetin (1), nectandrin B (2), resveratrol-3-O-β-D-glucoside (3), lysidiside N (4), 19α-hydroxyasiatic acid (5), betulinic acid (6), 3β-hydroxylup-12-en-28-oic-acid (7), obtusalin (8), methyl 2,4-dihydroxy-6-methylbenzoate (9), and 2,5-dihydroxy-3-methoxytoluene (10), respectively. Compounds 2-9 were isolated from this plant for the first time.

Key words: Ericaceae, Rhododendron delavayi Franch., pentacyclic triterpene, phenolic derivatives

CLC Number:

Q284.2

XU Jin-jin, WANG Yue-hu, WANG Hong-sheng, WANG Huan, HUANG Qiao-qin, LONG Chun-lin. Chemical Constituents from Stems of Rhododendron delavayi Franch.[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2012, 23(6): 757-.

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Chemical Constituents from Stems of Rhododendron delavayi Franch.

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