Cytotoxic Iridoid Aldehydes from Taiwanese Viburnum luzonicum
نویسندگان
چکیده
منابع مشابه
Vibsane-type diterpenes from Taiwanese Viburnum odoratissimum.
Two new eleven-membered and three new seven-membered vibsane-type diterpenes, named vibsanin L (1) and 14-hydroxyvibsanin F (2), and vibsanin I (3), 14R*,15-epoxyvibsanin C (4) and 14S*,15-epoxyvibsanin C (5) respectively, have been isolated from Viburnum odoratissimum collected in Taiwan. Their structures have been elucidated by spectroscopic analyses and comparison of Nuclear magnetic resonan...
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The ethanol extract of the whole plants of Viburnum mongolicum afforded six new nor-dammarane triterpenoids: 3β,12β-dihydroxy-25,26,27-trinordammara-22-en -24,20-olide (1), 3β,12β-dihydroxy-24α-methoxy-25,26,27-trinordammara-20,24-epoxy (2), 3β-O-acetyl-12β-hydroxy-23,24,25,26,27-hexanordammarane-20-one (3), 12β-O- acetyl-15α-hydroxy-17β-methoxy-3-oxo-20,21,22-23,24,25,26,27-octanordammanrane (...
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Compounds were isolated from a methanol extract of the dried stem barks of Viburnum sargentii Koehne. The structures of the compounds, namely 9'-O-methylvibsanol (3), furcatoside A (4) and lareciresinol (5) were elucidated by analysis of spectroscopic data and comparison with values for previously known analogues. In addition, (+)-catechin (1), (+)-epicatechin (2) were also isolated. This work ...
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Two iridoid glucosides, 8-epi-grandifloric acid and 3'-O-beta-glucopyranosyl-stilbericoside, were isolated from the aerial part of Thunbergia laurifolia along with seven known compounds, benzyl beta-glucopyranoside, benzyl beta-(2'-O-beta-glucopyranosyl) glucopyranoside, grandifloric acid, (E)-2-hexenyl beta-glucopyranoside, hexanol beta-glucopyranoside, 6-C-glucopyranosylapigenin and 6,8-di-C-...
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A new iridoid glucoside, urphoside A, and six known iridoid glucosides, pikuroside, aucubin, veronicoside, catalposide, amphicoside, and verminoside, were isolated from Veronica hederifolia together with a known megastigmane glucoside, 3-hydroxy-5,6-epoxy-beta-ionol-9-O-beta-D-glucopyranoside, and a hexitol, dulcitol. The structures of the isolated compounds were established by the extensive 1D...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 2005
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.53.125