Chemische Konstitution und pharmakologische Wirkung der Laxantien unter besonderer Berücksichtigung von Verbindungen mit zwei p‐Oxyphenyl‐Gruppen an einem gemeinsamen Kohlenstoffatom. 3. Mitteilung

ZUSAMMENFASSUNG:Die bekannte Zweikernverbindung, 6,6'-Dihydroxy-3,3'-dimethyl-benzophenon (I), wurde nach einer geeigneteren Methode hergestellt. Die Darstellung der Dreikernverbindung, 4-Hydroxy-l-methyl-3,5-bis(6-hydroxy-3-methyl-benzoyl-(l))-benzol (IV), gelang mittels einer FRIEDEL-CRAFTS-Synthese. Die Strukturen von I und IV wurden durch Reduktion der Carbonylgruppen und Identifizierung der bekannten, Methylengruppen enthaltenden Zwei-bzw. Dreikemverbindung bewiesen. Einige Vierkernverbindungen mit drei Carbonylgruppen je Molekel konnten durch die Fxmssche Verschiebung entsprechender Ester von I erhalten werden. SUMMARY:The known two nuclei compound 6,6'-dihydroxy-3,3'-dimethyl-benzophenone (I) was prepared by a more suitable method. The synthesis of 4-hydroxy-l-methyl-3,5-bis(6-hydroxy-3-methyl-benzoyl-( 1))-benzene (IV) succeeded by a FRIEDEL and CRAFTS reaction. The structures of I and IV were established by the reduction of the carbonyl groups. The products of the reduction were identical with the known two and three nuclei compounds containing methylene bridges. Several four nuclei compounds with three carbonyl groups per molecule were synthesized by FRIES reaction of the corresponding esters of I.

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Applying of 1,1,1‐Trichloro‐2,2‐bis(4‐methoxyphenyl)ethane for the Synthesis of Diphenols

Lesiak

Nowakowski

1981

J. Prakt. Chem.

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Chemische Konstitution und pharmakologische Wirkung der Laxantien unter besonderer Berücksichtigung von Verbindungen mit zwei p‐Oxyphenyl‐Gruppen an einem gemeinsamen Kohlenstoffatom. 3. Mitteilung

Cited by 4 publications

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Zur Darstellung des 4,4′‐Dihydroxy‐2″‐aminomethyl‐triphenylmethans. 8. Mitteilung über Laxantien

Zur Darstellung des 4,4′‐Dihydroxy‐2″‐aminomethyl‐triphenylmethans. 8. Mitteilung über Laxantien

Zur herstellung von carbonylbrücken enthaltenden, phenolischen mehrkernverbindungen

Applying of 1,1,1‐Trichloro‐2,2‐bis(4‐methoxyphenyl)ethane for the Synthesis of Diphenols

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