Synthesis and Characterization of Halogeno- and Pseudohalageno-thallium(III) Porphyrin Complexes. Variation of the Co-ordination Geometry as a Function of the Axial Ligand

DOI: 10.1039/DT9930003519

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3519 - 3538 (1993)

Update date:2022-08-02

Topics:

Authors:

Senge, Mathias O.

Ruhlandt-Senge, Karin

Regli, Kevin J.

Smith, Kevin M.

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Article abstract of DOI:10.1039/DT9930003519

Several thallium(III) porphyrin complexes with the axial ligand X = MeCO2, CF3CO2, Cl, Br, I, CN, SCN or N3, have been obtained via ligand-exchange reactiuons 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.

Full text of DOI:10.1039/DT9930003519

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