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Two New Iridoid Glycosides from the Root Barks of Sambucus williamsii Hance
Key Laboratory of Chinese Materia Medica, Heilongjiang University of Chinese Medicine, Ministry of Education, Harbin 150040, China
These two authors contributed equally to this work.
* Author to whom correspondence should be addressed.
Received: 15 April 2011; in revised form: 28 April 2011 / Accepted: 29 April 2011 / Published: 9 May 2011
Abstract: Chemical investigation of the ethanol extract of the root barks of Sambucus williamsii Hance collected in the Heilongjiang province of China resulted in the isolation of two new iridoid glycosides, williamsoside A (1) and williamsoside B (2). Their structures were elucidated on the basis of extensive spectroscopic analysis (1D, 2D-NMR and HRESIMS) and chemical studies. Iridoid glycosides have for a long time been considered as characteristic ingredients of S. williamsii. However, the presence of iridoid glycosides with apiofuranosyl moieties in S. williamsii is reported for the first time in this study.
Keywords: Sambucus williamsii Hance; root barks; iridoid glycosides
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Wang, Z.-Y.; Han, H.; Yang, B.-Y.; Xia, Y.-G.; Kuang, H.-X. Two New Iridoid Glycosides from the Root Barks of Sambucus williamsii Hance. Molecules 2011, 16, 3869-3874.
Wang Z-Y, Han H, Yang B-Y, Xia Y-G, Kuang H-X. Two New Iridoid Glycosides from the Root Barks of Sambucus williamsii Hance. Molecules. 2011; 16(5):3869-3874.
Wang, Zhen-Yue; Han, Hua; Yang, Bing-You; Xia, Yong-Gang; Kuang, Hai-Xue. 2011. "Two New Iridoid Glycosides from the Root Barks of Sambucus williamsii Hance." Molecules 16, no. 5: 3869-3874.