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US 3,944,554 AGranted
4-Desacetoxy-3-hydroxyvinblastine
AssigneeEli Lilly and Company
InventorSusan S. Tafur
Life of this patent
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Abstract
4-Desacetoxy-3'-hydroxyvinblastine, a novel indoledihydroindole alkaloid obtained in small quantities from Vinca rosea, intermediate for the preparation of antimitotic compounds.
Claims2
4-Desacetoxy-3'-hydroxyvinblastine having the formula ##SPC2##
4-Desacetoxy-3'-hydroxyvinblastine having the following physical characteristics:
- proton nmr spectrum;peaks at .delta. 4.075, 5.85, 5.46-5.78 (broad multiplet)
- mass spectrum:
- ions at m/e 768, 411, 371, 224, 170, 102.
Dependencies are inferred from the claim text.