Bufadienolides from Urginea maritima from Egypt.

  title={Bufadienolides from Urginea maritima from Egypt.},
  author={Brigitte Kopp and Liselotte Krenn and Markus Draxler and Alexandro Hoyer and Robert Terkola and P Vallaster and Wolfgang Robien},
  volume={42 2},
Forty-one bufadienolides were isolated from the bulbs of Urginea maritima agg. from Egypt; 26 of them are new natural compounds. Structure elucidation was performed by comparison with authentic substances or by means of 1H, 13C NMR and FAB mass spectroscopy. Sixteen of the glycosides derive from nine structurally new aglycones: 16 beta-hydroxy-scillarenin, 16 beta-O-acetyl- scillarenin, 12 beta-hydroxy-5 alpha-4,5-dihydro-scillirosidin, 16 beta- hydroxy-5 alpha-4,5-dihydro-scillirosidin, 16… CONTINUE READING
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