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Planta Med 1995; 61(4): 375-377
DOI: 10.1055/s-2006-958109
DOI: 10.1055/s-2006-958109
Letters
© Georg Thieme Verlag Stuttgart · New York
Rearranged Taxoids from Taxus yunnanensis
Further Information
Publication History
1994
1995
Publication Date:
04 January 2007 (online)
![](https://www.thieme-connect.de/media/plantamedica/199504/lookinside/thumbnails/10.1055-s-2006-958109-1.jpg)
Abstract
Two rearranged 2(3→20)abeotaxanes were isolated from the leaves and stems of Taxus yunnanensis, and designated as taxin B and 2-de-acetyltaxin B. The structure of taxin B with a unique 6/10/6 skeleton was deduced on the basis of 1H-NMR, 13C-NMR, 1H-1H COSY, DEPT, NOE, and mass spectra and confirmed by X-ray crystallographic analysis. The structure of 2-deacetyltaxin B is elucidated by analog.