Ya‐Ching Shen, C. V. Prakash, M. Hung
Oct 1, 2000
Citations
0
Influential Citations
9
Citations
Journal
Journal of The Chinese Chemical Society
Abstract
Nineteen compounds including taxumairol R (1), taxinine M (2), taxacin (3), paclitaxel (4), 10-deacetyltaxol A (5), 10-deacetyl-7-epi-taxol (6), 7-epi-taxol (7), taxol C, 10-deacetyltaxol C, 7β-xylosyl-10-deacetyltaxol (8), taxamairin A (9), taxinine A, 14β-hydroxytaxusin (10), 5α-hydroxy-7β,9α,10β, 13α-tetraacetoxy-4(20), 11-taxadiene, 1-dehydroxybaccatin-VI, 1β-dehydroxybaccatin-IV, baccatin IV, baccatin VI and ponasterone A have been isolated and identified from the root bark of Taxus mairei. Among them, compound 1 was a new taxoid and compounds 11 and 7β-xylosyl-10-deacetyltaxol pentaacetate were new derivatives prepared from 14β-hydroxytaxusin (10) and 8, respectively. Their structures and assignment were established on the basis of 2D-NMR analysis and chemical methods.