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Chromatographic Separation and Spectroscopic Characterization of the Bilirubin Isomers IIIα, IXα, XIIIα and Their Dimethyl Esters

 

作者: Rosalie Defoin‐Straatmann,   Albert Defoin,   Hans Joachim Kuhn,   Kurt Schaffner,  

 

期刊: Liebigs Annalen der Chemie  （WILEY Available online 1982）
卷期: Volume 1982, issue 10  

页码: 1759-1765

 

ISSN:0170-2041

 

年代: 1982

 

DOI:10.1002/jlac.198219821002

 

出版商: WILEY‐VCH Verlag

 

数据来源: WILEY

 

摘要:

AbstractThe three structural isomers bilirubin IXα (1a), IIIα (2a), and XIIIα (3a) have been separated on a preparative scale by high‐performance low‐pressure liquid chromatography. They were converted into their dimethyl esters1b, 2b, and3band characterized by UV, IR, MS, and fully assigned1H NMR data. NMR is the only spectroscopic method which makes it possible to analyze mixtures of the three isomeric dimethyl esters quantita

 

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