Abstract
Anaerobic irradiation of bilibrubin in the region of the main absorption band produces the diastereomers of (Z,E)- and (E,Z)-configurations with high quantum yield. The structure of these “photobilirubins” is proven by a chemical correlation with the corresponding diastereomers of biliverdindimethylester characterised before. Their1H-NMR spectroscopic features have been recorded and are discussed.
Zusammenfassung
Anaerobe Bestrahlung von Bilirubin im Gebiet der Hauptabsorptionsbande ergibt in hoher Quantenausbeute die Diastereomeren der Konfigurationen (Z,E) und (E,Z). Die Struktur dieser „Photobilirubine“ wird durch eine chemische Korrelation mit den entsprechenden bekannten Diastereomeren des Biliverdindimethylesters bewiesen. Die1H-NMR-Daten der Diastereomeren werden diskutiert.
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Falk, H., Müller, N., Ratzenhofer, M. et al. The structure of “photobilirubin”. Monatsh Chem 113, 1421–1432 (1982). https://doi.org/10.1007/BF00808942
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DOI: https://doi.org/10.1007/BF00808942