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Circular Dichroism and Conformation of Bilirubin Bis N, N, N-Trimethyl α-Phenethylammonium Salts

 

作者: DavidA. Lightrier,   Jing-Yi An,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1987）
卷期: Volume 20, issue 6-7  

页码: 491-508

 

ISSN:0038-7010

 

年代: 1987

 

DOI:10.1080/00387018708081570

 

出版商: Taylor & Francis Group

 

关键词: Bilirubin Bis N, N, N-trimethyl α-phenethylammonium Salts;Intramolecular H-Bonding;Circular Dichroism;H-NMR

 

数据来源: Taylor

 

摘要:

Analysis of the bisignate circular dichroism spectra of bilirubin-IXα bis-propionate salts of (S)-(-)-N, N, N-trimethyl α-phenethylammonium hydroxide reveals a preference in CHC13, (CH3)2CO and CH3CN solvents for folded conformations in which the propionate groups are intramolecularly H-bonded to the opposing pyrromethenone units.

 

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