Tetrahedron

Activation and transfer of oxygen—XVI: Spontaneous electron transfer in flavinium salt solutions. A new principle for the development of oxygen activation models

HIX Mager, R Addink

Index: Mager, H. I. X.; Addink, R. Tetrahedron, 1983 , vol. 39, # 20 p. 3359 - 3366

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Citation Number: 11

Abstract

Blue coloured 10, 1Oa-ring opened intermediates 5a, 5b arising in the autoxidation of a dihydroflavin model (Scheme 1) are also formed on proper treatment of some N1- alkylflavinium salts 7 (Scheme 2). The conditions giving optimal 10, 10a-ring opening have been determined (Figs. 1–2). The flavinium salts (RFl+ ox, A−) show spontaneous electron transfer in the dark, producing a flavosemiquinone (RFl·) and a counter-radical, probably a ...