Issue 23, 1993

Synthesis and characterization of halogeno- and pseudo-halogeno-thallium(III) porphyrin complexes. Variation of the co-ordination geometry as a function of the axial ligand

Abstract

Several thallium(III) porphyrin complexes [Tl(por)X] with the axial ligand x = MeCO2, CF3CO2, Cl, Br, l, CN, SCN or N3, have been obtained via ligand-exchange reactions from the corresponding thallium(III) trifluoroacetates. All compounds were characterized by 1H NMR, UV/VIS spectroscopy, and elemental analysis. Fourteen compounds were investigated in detail by X-ray crystallography to obtain information on the influence of the axial ligand on the macrocycle core conformation in main-group metalloporphyrins and to establish the molecular stereochemistry of thallium(III) porphyrins with cyano, acetato, thiocyanato, bromo, iodo and azido groups as axial ligands.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1993, 3519-3538

Synthesis and characterization of halogeno- and pseudo-halogeno-thallium(III) porphyrin complexes. Variation of the co-ordination geometry as a function of the axial ligand

M. O. Senge, K. Ruhlandt-Senge, K. J. Regli and K. M. Smith, J. Chem. Soc., Dalton Trans., 1993, 3519 DOI: 10.1039/DT9930003519

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