Ein neuer Weg zur Herstellung Tocopherol‐ähnlicher Verbindungen

Karrer, P.; Fatzer, W.

doi:10.1002/hlca.194102401156

Helvetica Chimica Acta

1941

DOI: 10.1002/hlca.194102401156

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Ein neuer Weg zur Herstellung Tocopherol‐ähnlicher Verbindungen

P. Karrer

W. Fatzer

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1942

1988

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Cited by 3 publications

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Herstellung von Tocopherol‐ähnlichen Verbindungen und Flavonolen aus Benzo‐pyryliumsalzen

Karrer

Fatzer

1942

Helvetica Chimica Acta

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In einer friiheren Mitteilungl) hatten wir das 2-Phenyl-5,7-dimethyl-6-oxy-benzopyryliumchlorid (Formel I) und sein Reduktionsprodukt 2-Phenyl-5,7-dimethyl-6-oxychroman (Formel 11) beschrieben, von denen letzteres in seiner Konstitution und in seinen Eigenschaften Ahnlichkeit mit den Tocopherolen hesitzt. Als weiteres Beispiel war das 2-(4'-Oxyphenyl]-ti,7-dimethyl-6-oxy-benzopyryliumchlorid erhalten worden, das sich zum 2-[4'-Oxyphenyl]-5,7-dimethyl-6-oxychroman reduzieren liess.

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Herstellung von Tocopherol‐ähnlichen Verbindungen und Flavonolen aus Benzo‐pyryliumsalzen

Karrer

Fatzer

1942

Helvetica Chimica Acta

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Hydrogénation de sels de flavylium: formation de composés heptacycliques; structure radiocristallographique du [tétrahydro‐10b,10c,16,16a‐diméthyl‐16,16a‐méthylène‐10b,16‐5aH‐di(benzo[1]pyranno)[4,3‐b:3′,4′,‐c;2,3:2′,3′]‐benz[1]oxépinyl‐5a]‐2‐phénol

Jolibois¹,

Vebrel²,

Ouahab

et al. 1988

Helvetica Chimica Acta

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Hydrogenation of Flavylium Salts: Formation of Heptacyclic compounds; X‐Ray Crystal Structure of 2‐[10b,10c,16,16a‐Tetrahydro‐16,16a‐dimethyl‐10b,16‐methylene‐5aH‐di[1]benzopyrano[4,3‐b:3′,4′ ‐c; 2,3:2′,3′][1]benzoxepin‐5a‐yl]phenol The hydrogenation of flavylium salts 1 either by catalytic reduction or by chemical reduction afforded the unexpected heptacyclic compound 2, the structure of which was determined by X‐ray analysis. The latter was confirmed by 1H‐NMR and mass spectra.

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The chemistry of anthocyanins, anthocyanidins and related flavylium salts

1983

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Ein neuer Weg zur Herstellung Tocopherol‐ähnlicher Verbindungen

Cited by 3 publications

References 4 publications

Herstellung von Tocopherol‐ähnlichen Verbindungen und Flavonolen aus Benzo‐pyryliumsalzen

Herstellung von Tocopherol‐ähnlichen Verbindungen und Flavonolen aus Benzo‐pyryliumsalzen

Hydrogénation de sels de flavylium: formation de composés heptacycliques; structure radiocristallographique du [tétrahydro‐10b,10c,16,16a‐diméthyl‐16,16a‐méthylène‐10b,16‐5aH‐di(benzo[1]pyranno)[4,3‐b:3′,4′,‐c;2,3:2′,3′]‐benz[1]oxépinyl‐5a]‐2‐phénol

The chemistry of anthocyanins, anthocyanidins and related flavylium salts

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