Studies on chemical constituents of planted <i>Taxus mairei</i> (III)

CHEN Xue-ying, LIANG Jing-yu. Studies on chemical constituents of planted Taxus mairei (III)J. Acta Pharmaceutica Sinica, 2008, 43(12): 1205-1207.

Citation:

CHEN Xue-ying, LIANG Jing-yu. Studies on chemical constituents of planted Taxus mairei (III)J. Acta Pharmaceutica Sinica, 2008, 43(12): 1205-1207.

Citation:

CHEN Xue-ying, LIANG Jing-yu. Studies on chemical constituents of planted Taxus mairei (III)J. Acta Pharmaceutica Sinica, 2008, 43(12): 1205-1207.

Studies on chemical constituents of planted Taxus mairei (III)

Abstract

From the chloroform-soluble fraction of the ethanol extracts of the whole plant of Taxus chinensis<.i> var. mairei (Lemee et Levl), four compounds were isolated by using repeated column chromatography on silica gel and Sephadex LH-20. Based on spectroscopic data (UV, IR, ESI-MS, ¹H NMR and ¹³C NMR), the compounds were identified as taxamairin K (1), 2α, 4α-dideacetoxy-7β-benzoyloxy-5β,20-epoxy-9α,10β,13α,15-tetrahydroxy-11(15→1)abeotaxa-11-ene (2), 7β-xylosyl-taxol (3), 10-deacetoxy-7-xylosyl-taxol (4). Among them, taxamairin K is a new compound.

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