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- W2129031305 abstract "Im Gegensatz zur Reaktion in stehender Losung werden bei der Oxidation von Orcin (1) mit K3[Fe(CN)6] in einer Stromungsapparatur das Dimere 2 in relativ hoher Ausbeute von 35%, kleine Mengen der diastreomeren Trimeren 3A, B) und Tetrameren 4 (C–E) sowie praktisch keine Polymeren gebildet. Entsprechend erhalt man aus 2 das Gemisch aller diastereomeren Tetrameren 4 (C–E) mit 50%. Diese Gemische werden Chromatographisch getrennt und jede Komponente in der Konstitution und Konfiguration aufgeklart. Die in allen Oxidations-produkten ausschlieslich festgestellte o, o′-Verknupfung wird an Hand der Spindichteverteilung des ungepaarten Elektrons im Orcinradikal 1˙ diskutiert.Oxidation of Orcinol with K3[Fe(CN)6] in a Flow-SystemOxidation of orcinol 1 in a flow system with alkaline K3[Fe(CN)6] gives a high yield (35%) of the dimer 2, smaller quantities of diastereomeric trimers 3 (A, B)and tetramers 4 (C–E), and practically no polymeric material. This contrasts to oxidation of 1 under static conditions. Similarly, a mixture of all possible diastereomers of tetramer 4 (C–E) is obtained in 50% yield from 2. These mixtures have been separated by chromatography and constitution and configuration of every component has been established. The exclusive o,o′-coupling found in all oxidation products is related to spin distribution of the unpaired electron in the orcinol radical 1." @default.
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- W2129031305 date "1974-12-01" @default.
- W2129031305 modified "2023-09-25" @default.
- W2129031305 title "Die Oxidation von Orcin mit K3[Fe(CN)6] im Strömungsrohr" @default.
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- W2129031305 doi "https://doi.org/10.1002/cber.19741071203" @default.
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