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Bufadienolides from Drimia robusta BAK†
Institute of Pharmacognosy, University of Vienna, Pharmacy-Centre, Althanstrasse 14, A-1090 Vienna, Austria
*
Author to whom correspondence should be addressed.
†
XIth communication on bufadienolides; part of the diploma thesis V. Stapf, University of Vienna; Xth communication see ref. [5]
Sci. Pharm. 2000, 68(4), 421-427; https://doi.org/10.3797/scipharm.aut-00-38
Received: 20 February 2000 / Revised: 17 October 2000 / Accepted: 17 October 2000 / Published: 1 December 2000
From bulbs of Drimia robusta 7 bufadienolides were isolated, 3 of them new natural compounds. Structure elucidation was performed by comparison with authentic substances or by means of 1H-, 13C-NMR-spectroscopy and FAB-MS. The substances were identified as scilliroside (1), 12ß-hydroxyscillirosidin (2), 12ß-hydroxyscilliroside (3), hellebrigenin-3-0-ß-glucoside (4), 16ß-hydroxyhellebrigenin (5), 16ß-hydroxyhellebrigenin-3-O-ß-glucoside (6) and 5ß,16ß-dihydroxybufalin-3-O-ß-glucoside (7).
Keywords:
Drimia robusta; Hyacinthaceae; cardiac glycosides; bufadienolides
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
MDPI and ACS Style
Krenn, L.; Stapf, V.; Kopp, B. Bufadienolides from Drimia robusta BAK. Sci. Pharm. 2000, 68, 421-427.
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