Electron-Transfer Reactions between C60 and Radical Ions of Metalloporphyrins and Arenes

1994 ◽  
Vol 98 (17) ◽  
pp. 4617-4621 ◽  
Author(s):  
Dirk M. Guldi ◽  
Pedatsur Neta ◽  
Klaus-Dieter Asmus
Keyword(s):  
Electron Transfer ◽  
Transfer Reactions ◽  
Radical Ions ◽  
Electron Transfer Reactions

Electron-Transfer Reactions of Aromatic Radical Ions

1965 ◽  
Vol 87 (8) ◽  
pp. 1724-1726 ◽  
Author(s):  
John M. Fritsch ◽  
Thomas P. Layloff ◽  
Ralph N. Adams
Keyword(s):  
Electron Transfer ◽  
Transfer Reactions ◽  
Radical Ions ◽  
Electron Transfer Reactions ◽  
Aromatic Radical

Review Lecture - Electron transfer reactions and living polymers

1964 ◽  
Vol 279 (1377) ◽  
pp. 260-290 ◽  
Keyword(s):  
Electron Transfer ◽  
Transfer Reactions ◽  
Radical Ions ◽  
Electron Transfer Reactions ◽  
Transfer Processes ◽  
Electron Transfer Processes ◽  
Living Polymers

I propose to review here two aspects of our work concerned with the chemistry of radical-ions, electron-transfer processes and living polymers. The last topic will be described first (§§ 1 to 5) and the remaining part of the paper (§§ 6 to 9 ) will be devoted to problems of electron-transfer processes involving stable and labile radical-ions and to the discussion of some intermediates formed in these reactions.

ChemInform Abstract: KINETICS OF THE ELECTRON TRANSFER REACTIONS OF AZAVIOLENE RADICAL IONS PART 1

1974 ◽  
Vol 5 (38) ◽  
pp. no-no
Author(s):  
CLAUDE F. BERNASCONI ◽  
ROBERT G. BERGSTROM ◽  
WILLIAM J. JUN. BOYLE
Keyword(s):  
Electron Transfer ◽  
Transfer Reactions ◽  
Radical Ions ◽  
Electron Transfer Reactions ◽  
Kinetics Of

Kinetics and mechanism of the oxidation of benzenediols and ascorbic acid by bis(1,4,7-triazacyciononane)nickel(III) in aqueous perchlorate media

1985 ◽  
Vol 63 (6) ◽  
pp. 1198-1203 ◽  
Author(s):  
A. McAuley ◽  
Lee Spencer ◽  
P. R. West
Keyword(s):  
Electron Transfer ◽  
Ascorbic Acid ◽  
Exchange Rate ◽  
Rate Constants ◽  
Outer Sphere ◽  
Kinetics And Mechanism ◽  
Hydrogen Ion ◽  
Transfer Reactions ◽  
Radical Ions ◽  
Electron Transfer Reactions

The reactions of the outer-sphere electron transfer reagent, Ni(9-aneN3)23+, (bis(1,4,7-triazacyclononane)nickel(III) ion) with ascorbic acid, hydroquinone, catechol, and resorcinol have been investigated. The absence of any proton related equilibria with the oxidant provides a means of ascribing the observed inverse hydrogen ion dependences to reactions of the dissociated ascorbate or quinolate ions, (HA−). The data are consistent with the rate-determining one-electron transfer reactions:[Formula: see text]followed by rapid oxidation of the radical ions formed. In the reaction with ascorbic acid, k1 ~ 0 and k2 (T = 25° C) = 5.2 × 106 M−1 s−1 (ΔH≠ = 10.1 ± 2.5 kcal mol−1, ΔS≠ = 5.7 ± 5.1 cal mol−1 K−1). For hydroquinone, catechol, and resorcinol, k1 = 2.9 × 103, 2.8 × 102, and ~0 M−1 s−1and k2 = 6.9 × 109, 4.1 × 109, and 2.8 × 108 M−1 s−1, respectively. These data have been combined with those from other similar reactions leading, by use of a Marcus correlation, to self-exchange rate constants for the HAsc−/HAsc• couple of 3.5 × 105 M−1 s−1 and for the H2Quin0/+ and H2cat0/+ systems of 5 × 107 and 2 × 107 M−1 s−1, respectively. The importance of the effect of bond-reorganisation on electron transfer is discussed.

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