Tuning a Metal's Oxidation State: The Potential of Clathrochelate Systems

Tuning a Metal's Oxidation State: The Potential of Clathrochelate Systems

A grip on what's inside: A clathrochelate ligand controls the oxidation state of the encapsulated cobalt ion in complex 1. This complex can be reduced chemically in acetonitrile solution by treatment with silver in the presence of tetraalkylammonium or tetra(dimethylamido)phosphonium halides to...

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Veröffentlicht in:Angewandte Chemie International Edition 2005-05, Vol.44 (22), p.3400-3402
Hauptverfasser: Voloshin, Yan Z., Varzatskii, Oleg A., Vorontsov, Ivan I., Antipin, Mikhail Yu
Format: Artikel
Sprache:eng
Schlagworte:
cobalt
EPR spectroscopy
macrocyclic ligands
oxidation state
reduction
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Zusammenfassung:A grip on what's inside: A clathrochelate ligand controls the oxidation state of the encapsulated cobalt ion in complex 1. This complex can be reduced chemically in acetonitrile solution by treatment with silver in the presence of tetraalkylammonium or tetra(dimethylamido)phosphonium halides to the dark‐blue reduced complex [(NMe2)4P]‐1 in high yield (see scheme).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200463070