A cytochrome c oxidase reactivity model: generation of a peroxo-bridged iron/copper dinuclear complex

1992 ◽  
Vol 114 (16) ◽  
pp. 6564-6566 ◽  
Author(s):  
Alaganandan Nanthakumar ◽  
M. Sarwar Nasir ◽  
Kenneth D. Karlin ◽  
Natarajan Ravi ◽  
Huynh Boi Hanh
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Dinuclear Complex ◽  
Model Generation ◽  
Iron Copper

Cytochrome c oxidase models. Dinuclear iron/copper complexes derived from covalently modified deuteroporphyrins

1997 ◽  
Vol 117 (1-3) ◽  
pp. 199-204 ◽  
Author(s):  
Enrico Monzani ◽  
Luigi Casella ◽  
Michele Gullotti ◽  
Nadia Panigada ◽  
Federico Franceschi ◽  
...  
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Copper Complexes ◽  
Iron Copper ◽  
Dinuclear Iron

Cytochrome c oxidase models. A novel dinuclear iron–copper complex derived from a covalently modified deuteroporphyrin–L-histidine–bis(benzimidazole) ligand

1996 ◽  
pp. 1645-1646 ◽  
Author(s):  
Federico Franceschi ◽  
Michele Gullotti ◽  
Enrico Monzani ◽  
Luigi Casella ◽  
Vasilios Papaefthymiou
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Copper Complex ◽  
Iron Copper ◽  
Dinuclear Iron

Tripodal and/or picket porphyrins to mimic the cytochrome c oxidase activity

2003 ◽  
Vol 07 (04) ◽  
pp. 282-290 ◽  
Author(s):  
Amandine Didier ◽  
David Ricard ◽  
Maurice L'Her ◽  
Bernard Boitrel
Keyword(s):  
Cytochrome C ◽  
Cytochrome C Oxidase ◽  
Relative Position ◽  
Oxidase Activity ◽  
Graphite Electrode ◽  
Structural Features ◽  
Bimetallic Complexes ◽  
Iron Copper

The efficiency of different series of tris-(2-aminoethyl)amine TREN-capped porphyrins as catalysts for the electroreduction of dioxygen has been studied after adsorption of the molecules at the surface of a graphite electrode. The influence of two structural features have been explored: the relative position of the two metals in the iron-copper bimetallic complexes and the nature of the benzyl groups of the tripod itself. These compounds have also been compared with picket porphyrins bearing aromatic amino functions, e.g. quinoline. The conclusions obtained in the case of TREN-capped catalysts cannot be extended to those bearing aromatic pickets.

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