Ligands that Store and Release Electrons during Catalysis

Electron(ic) banking: First‐row transition metals can be given a noble character by redox‐active ligands, thus enabling two‐electron oxidative addition and reductive elimination steps (see scheme). A recently reported cobalt‐mediated Negishi‐type cross‐coupling reaction provides an illustrative exam...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2011-04, Vol.50 (15), p.3356-3358
Main Authors: Dzik, Wojciech I., van der Vlugt, Jarl Ivar, Reek, Joost N. H., de Bruin, Bas
Format: Article
Language:English
Subjects:
cobalt
cross-coupling
homogeneous catalysis
ligand cooperativity
N, O ligands
O ligands
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Summary:Electron(ic) banking: First‐row transition metals can be given a noble character by redox‐active ligands, thus enabling two‐electron oxidative addition and reductive elimination steps (see scheme). A recently reported cobalt‐mediated Negishi‐type cross‐coupling reaction provides an illustrative example of this concept and reveals its potential to develop new catalytic reactions with cheap, abundant metals.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201006778