β-Nitro Derivatives of Germanium(IV) Corrolates

β-Nitro Derivatives of Germanium(IV) Corrolates

The reaction between germanium(IV) meso-triphenylcorrolates and nitrate salts affords the corresponding β-nitro substituted corroles in good yield. Chromatographic separation of the crude reaction mixtures enables isolation of a μ-oxo dimer along with the corresponding monomers bearing a hydroxy or...

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Veröffentlicht in:Inorganic chemistry 2008-12, Vol.47 (24), p.11680-11687
Hauptverfasser: Mastroianni, Marco, Zhu, Weihua, Stefanelli, Manuela, Nardis, Sara, Fronczek, Frank R, Smith, Kevin M, Ou, Zhongping, Kadish, Karl M, Paolesse, Roberto
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container_end_page 11687
container_issue 24
container_start_page 11680
container_title Inorganic chemistry
container_volume 47
creator Mastroianni, Marco
Zhu, Weihua
Stefanelli, Manuela
Nardis, Sara
Fronczek, Frank R
Smith, Kevin M
Ou, Zhongping
Kadish, Karl M
Paolesse, Roberto
description The reaction between germanium(IV) meso-triphenylcorrolates and nitrate salts affords the corresponding β-nitro substituted corroles in good yield. Chromatographic separation of the crude reaction mixtures enables isolation of a μ-oxo dimer along with the corresponding monomers bearing a hydroxy or methoxy group at an axial position of the germanium central metal ion. Depending on the reaction conditions, mono- or dinitro substituted complexes can be obtained. The substitution is highly regioselective in each case, giving only the 3-nitro or 3,17-dinitro derivative among the different possible isomers. Five of the synthesized complexes were examined by cyclic voltammetry and UV−visible spectroelectrochemistry in dichloromethane, and the dinitro μ-oxo dimer is structurally characterized.
doi_str_mv 10.1021/ic801421a
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