Abstract
Two new taxane diterpenoids, tasumatrols A (1) and B (2), have been isolated from extracts of the leaves and twigs of Taiwanese Taxus sumatrana. Tasumatrol A is a rare 5/6/6 taxene system, having a novel γ-lactone at C-10 and C-19. The structures of compounds 1 and 2 were determined on the basis of two dimensional (2D)-NMR techniques, including correlation spectroscopy (COSY), 1H-detected heteronuclear multiple quantum coherence (HMQC) and heteronuclear multiple bond connectivity (HMBC) experiments. © 2003 Pharmaceutical Society of Japan.
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Shen, Y. C., Pan, Y. L., Lo, K. L., Wang, S. S., Chang, Y. T., Wang, L. T., & Lin, Y. C. (2003). New taxane diterpenoids from Taiwanese Taxus sumatrana. Chemical and Pharmaceutical Bulletin, 51(7), 867–869. https://doi.org/10.1248/cpb.51.867
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