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Omnium Chimique SA
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Omnium Chimique SA
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Publication of FR2004853A1publicationCriticalpatent/FR2004853A1/fr
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
FR6909002A1968-03-271969-03-26Tabersonine from voacanga seeds
PendingFR2004853A1
(en)