Two New Phytoecdysteroids from the Needles of Taxus canadensis-Reference-Cited by-同舟云学术

Two New Phytoecdysteroids from the Needles of Taxus canadensis

Published:2010-11-01 Issue:11 Volume:65 Page:1401-1405
ISSN:1865-7117
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Fang Yu¹,Ni Zhi-Yu¹²,Yamada Teiko³,Wang Yu-Fang¹,Zhang Man-Li¹,Dong Mei²,Cong Bin²,Sauriol Françoise⁴,Huo Chang-Hong¹,Shi Qing-Wen¹,Kiyota Hiromasa³

Affiliation:

1. School of Pharmaceutical Sciences, Hebei Medical University, 361 Zhongshan East Road, 050017, Shijiazhuang, Hebei Province, P. R. China

2. College of Basic Medicine, Hebei Medical University, 361 Zhongshan East Road, 050017, Shijiazhuang, Hebei Province, P. R. China

3. Laboratory of Applied Bioorganic Chemistry, Graduate School of Agricultural Science, Tohoku University, 1-1 Tsutsumidori-Amamiya, Aoba-ku, Sendai 981-8555, Japan

4. Department of Chemistry, Queen’s University, Kingston, Ontario, K7L 3N6, Canada

Abstract

Two new phytoecdysteroids with a 20,22-acetal group were identified for the first time from the needles of the Canadian yew, Taxus canadensis. Their structures were characterized as ponasterone A 20,22-p-hydroxybenzylidene acetal (1) and ponasterone A 20,22-acetonide (2) on the basis of 1D, 2D NMR evidence and high-resolution FABMS analysis

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2010-1118/pdf

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