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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Two New Phytoecdysteroids from the Needles of Taxus canadensis

  • Yu Fang , Zhi-Yu Ni , Teiko Yamada , Yu-Fang Wang , Man-Li Zhang , Mei Dong , Bin Cong , Françoise Sauriol , Chang-Hong Huo , Qing-Wen Shi EMAIL logo and Hiromasa Kiyota

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

Graphical Abstract

 Two New Phytoecdysteroids from the Needles of Taxus canadensis

Two New Phytoecdysteroids from the Needles of Taxus canadensis

Received: 2009-9-14
Published Online: 2014-6-2
Published in Print: 2010-11-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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