Untersuchung uber Alkaloide von Papaveraceen. VI. Alkaloide von Corydalis incisa. (5). Uber die Struktur des Corynolins. (1).
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Es wird die Struktur des Corynolins, C_<21>H_<21>O_5N, das Hauptalkaloid von Corydalis incisa beschrieben. Bei der KMnO_4-Oxydation liefert es ein Produkt mit 6-gliedrigem Laktam. Das des-N-Produkt, C_<20>H_<20>O_4,wurde durch zweimaligen Emde-Abbau aus Desoxydihydrocorynolin, sowie Desoxycorynolin abgeleitet. Durch Destillation des Corynolins mit Zinkstaub entsteht Benzo [c] phenanthridin. Diese Tatsachen zeigen, dass das Corynolin zu der Benzo [c] phenanthridin-Gruppe gehort. Ausserdem wird Hydrastsaure bei der KMnO_4-Oxydation des Desoxycorynolins erhalten. Die Infrarot Spektren und Protonresonanz Spektren von einigen Derivaten weisen auf die Vermutete Struktur des Corynolins.
- 公益社団法人日本薬学会の論文
- 1963-10-25
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