Linear free energy substituent effect on flavin redox chemistry

JJ Hasford, CJ Rizzo

Index: Hasford, Justin J.; Rizzo, Carmelo J. Journal of the American Chemical Society, 1998 , vol. 120, # 10 p. 2251 - 2255

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Citation Number: 72

Abstract

A systematic study on the effect of various substituents at the 7-and/or 8-position on the redox properties of isoalloxazines (flavins) is reported. The redox properties of these flavin derivatives were studied by cyclic voltammetry in 100 mM, pH 7.4 HEPES and 200 mM, pH 10 borate buffers. The magnitude and direction of the effect was dependent on the nature and location of the substituent. The redox potentials of the substituted flavins were ...