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A New Metabolite with a New Substitution Pattern from the Seeds of the Chinese Yew, Taxus mairei

✍ Scribed by Chang-Hong Huo; Yu-Fang Wang; Xi-Ping Zhang; Cun-Fang Li; Qing-Wen Shi; Hiromasa Kiyota


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
61 KB
Volume
4
Category
Article
ISSN
1612-1872

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πŸ“œ SIMILAR VOLUMES


Structural determination of a new 2(3 β†’
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## Abstract A new 2(3 β†’ 20)__abeo__taxane with an unusual 13β‐substitution pattern and a new 6/8/6‐ring taxane were isolated from the methanol extract of the needles of __Taxus cuspidata__. The structures were established as 2Ξ±,7β‐diacetoxy‐5Ξ±,10Ξ²,13β‐trihydroxy‐2(3 β†’ 20)__abeo__taxa‐4(20), 11‐dien

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## Abstract Xylocarpins A and B, two new mexicanolides with a tiglate group at C‐3, have been identified in the mixture using NMR spectroscopy. Both compounds were isolated in the mixture from the seeds of a Chinese mangrove __Xylocarpus granatum__. The first complete assignments of ^1^H and ^13^C