One-electron transfer reactions of some hydroxynaphthoquinones. Solvent and substitution effect as studied by pulse radiolysis

1996 ◽  
Vol 92 (11) ◽  
pp. 1891 ◽  
Author(s):  
Madhab C. Rath ◽  
Haridas Pal ◽  
Tulsi Mukherjee
Keyword(s):  
Electron Transfer ◽  
Pulse Radiolysis ◽  
Substitution Effect ◽  
Transfer Reactions ◽  
Electron Transfer Reactions

scholarly journals Thiyl free radicals and the oxidation of ferrocytochrome c Direct observation of coupled hydrogen-atom- and electron-transfer reactions

1986 ◽  
Vol 240 (3) ◽  
pp. 905-907 ◽  
Author(s):  
L G Forni ◽  
R L Willson
Keyword(s):  
Electron Transfer ◽  
Free Radicals ◽  
Hydrogen Atom ◽  
Pulse Radiolysis ◽  
Transfer Reactions ◽  
Absolute Rate ◽  
Electron Transfer Process ◽  
Electron Transfer Reactions ◽  
Thiyl Radicals ◽  
Ferrocytochrome C

Absolute rate constants for the reaction of ferrocytochrome c with the thiyl radicals derived from cysteine, GSH, penicillamine and N-(2-mercaptopropionyl)glycine were measured by using the technique of pulse radiolysis. The reaction is believed to occur through a one-electron-transfer process, in agreement with the hypothesis that thiols may act as catalysts linking hydrogen-atom- and electron-transfer reactions.

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