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[Studies on the chemical constituents from Rhododendron delavayi].
Zhong Yao Cai. 2009 Dec; 32(12):1840-3.ZY

Abstract

OBJECTIVE

To study the chemical constituents of the leaves from Rhododendron delavayi.

METHODS

The compounds were isolated and purified using column chromatography with silical gel and Sephadex LH-20, and their structures wer identified by their physical and spectral data.

RESULTS

Eight compounds were isolated and elucidated as 3',4',7-trihydroxy-3,5-dimethoxyflavone (1), 3',4',5,7-tetrahydroxy-3-methoxyflavone(2), quercetin-3-O-beta-D-arabinopyranoxide(3), catechin(4), epicatechin (5), epicatechin-(2beta-->O-->7,4beta-->8)-ent-epicatechin(6), (2S)-4-(3,4-dihydroxyphenyl) -2-butanol(7), (3,4-dihydroxyphenyl)-2-ethanol(8).

CONCLUSION

Compounds 2,3,6,7,8 are isolated from this plant for the first time.

Authors+Show Affiliations

The college of Life Science and Technology, Kunming University of Science and Technology, Kunming 650224, China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

chi

PubMed ID

20432898

Citation

Song, He-jiao, et al. "[Studies On the Chemical Constituents From Rhododendron Delavayi]." Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials, vol. 32, no. 12, 2009, pp. 1840-3.
Song HJ, Pan YY, Wang WG, et al. [Studies on the chemical constituents from Rhododendron delavayi]. Zhong Yao Cai. 2009;32(12):1840-3.
Song, H. J., Pan, Y. Y., Wang, W. G., Fu, L. Z., Li, H. Z., Li, H. M., & Li, R. T. (2009). [Studies on the chemical constituents from Rhododendron delavayi]. Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials, 32(12), 1840-3.
Song HJ, et al. [Studies On the Chemical Constituents From Rhododendron Delavayi]. Zhong Yao Cai. 2009;32(12):1840-3. PubMed PMID: 20432898.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Studies on the chemical constituents from Rhododendron delavayi]. AU - Song,He-jiao, AU - Pan,Yu-yin, AU - Wang,Wei-guang, AU - Fu,Li-zhuo, AU - Li,Hai-zhou, AU - Li,Hong-mei, AU - Li,Rong-tao, PY - 2010/5/4/entrez PY - 2010/5/4/pubmed PY - 2011/5/17/medline SP - 1840 EP - 3 JF - Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials JO - Zhong Yao Cai VL - 32 IS - 12 N2 - OBJECTIVE: To study the chemical constituents of the leaves from Rhododendron delavayi. METHODS: The compounds were isolated and purified using column chromatography with silical gel and Sephadex LH-20, and their structures wer identified by their physical and spectral data. RESULTS: Eight compounds were isolated and elucidated as 3',4',7-trihydroxy-3,5-dimethoxyflavone (1), 3',4',5,7-tetrahydroxy-3-methoxyflavone(2), quercetin-3-O-beta-D-arabinopyranoxide(3), catechin(4), epicatechin (5), epicatechin-(2beta-->O-->7,4beta-->8)-ent-epicatechin(6), (2S)-4-(3,4-dihydroxyphenyl) -2-butanol(7), (3,4-dihydroxyphenyl)-2-ethanol(8). CONCLUSION: Compounds 2,3,6,7,8 are isolated from this plant for the first time. SN - 1001-4454 UR - https://www.unboundmedicine.com/medline/citation/20432898/[Studies_on_the_chemical_constituents_from_Rhododendron_delavayi]_ DB - PRIME DP - Unbound Medicine ER -