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Effect of the Br Substituents on Axial Ligand Binding

The -pyrrole brominated porphyrins have proven to be highly versatile N4 ligands to study structural and electronic effects of the compounds as a function of both the number of bromo substituents on the macrocycle and the type or oxidation state of the metal ion in the porphyrin central cavity. As outlined in this chapter, the studies performed so far on these compounds have revealed pronounced spectral shifts as a function of changes in degree of bromo substitution or nature of the solvent. For all the studied brominated MN4 complexes, the electrochemical [Pg.458]

The support of the Robert A. Welch Foundation (Grand E-680, KMK), the Petroleum Research Funds administered by the American Chemical Society, and National Institutes of Health (to FD) is gratefully acknowledged. [Pg.460]

Ochsenbein, P, K. Ayougou, D. Mandon, J. Fischer, R. Weiss, R.N. Austin, K. Jayaraj, A. Gold, J. Terner, and J. Fajer (1994). Effect of conformation on the redox potentials of porphyrins halogenated in the )ff-pyrrole positions. Angew Chem., Int. Ed. Engl. 106, 348-350. [Pg.460]

Bhyrappa, R, M. Nethaji, and V. Krishnan (1993). Structure of nonplanar octabromo tetraphenylporph5n-in and kinetics of rapid metalation reactions. Chem. Lett. 5, 869-872. [Pg.460]

Bhyrappa, P. and V. Krishnan (1991). Octabromotetraphenylporphyrin and its metal derivatives Electronic structure and electrochemical properties. Inorg. Chem. 30,239-245. [Pg.460]


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Axial effect

Axial ligand, effect

Binding effect

Binding of Ligands

Effect of ligand

Effect of substituent

Effects of substituents

Ligand effect

Ligand effective

The Ligand Effect

The Ligands

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