Flavin Receptors. Effect of the Acidity of Melamine Derivatives Bearing a 2-Arylguanidinium Ion on 6-Azaflavin Binding in Chloroform

The pKa's of melamine derivatives bearing a 2-arylguanidinium ion and their binding constants for 6-aza-10-dodecylisoalloxazine (6-azaflavin) were nicely correlated with the Hammett σ of the substituents. However, the rates of the oxidations of N-benzyl-1,4-dihydronicotinamide (BNAH) and dithio...

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Bibliographic Details
Published in:Bulletin of the Chemical Society of Japan 2000-11, Vol.73 (11), p.2539-2542
Main Authors: Moriya, Hideki, Kajiki, Takeshi, Watanabe, Shigeki, Kondo, Shin-ichi, Yano, Yumihiko
Format: Article
Language:English
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Summary:The pKa's of melamine derivatives bearing a 2-arylguanidinium ion and their binding constants for 6-aza-10-dodecylisoalloxazine (6-azaflavin) were nicely correlated with the Hammett σ of the substituents. However, the rates of the oxidations of N-benzyl-1,4-dihydronicotinamide (BNAH) and dithiothreitol (DTT) by 6-azaflavin were not affected by the substituents of the receptors in CHCl3.
ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.73.2539