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Omnium Chimique SA
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Omnium Chimique SA
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Publication of DE1914987A1publicationCriticalpatent/DE1914987A1/de
C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
C07D471/20—Spiro-condensed systems
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Medicines Containing Plant Substances
(AREA)
Nitrogen Condensed Heterocyclic Rings
(AREA)
DE196919149871968-03-271969-03-25Verfahren zur Gewinnung des Alkaloids Tabersonin
PendingDE1914987A1
(de)