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Synthesis of cobalt complexes supported by tris(phosphino)borate

Jenkins, David M. and Peters, Jonas C. (2002) Synthesis of cobalt complexes supported by tris(phosphino)borate. Abstracts of Papers of the American Chemical Society, 224 . INOR 631. ISSN 0065-7727.

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The tris(phosphino)borate ligand, [PhBP_3]-, is unusual in that it is a very strong field donor ligand that can support unsaturated and electron deficient transition metal complexes. For example, it can be used to support distorted tetrahedral cobalt(ll) complexes that are low spin, distinct from the many high spin systems previously reported. Our attempts to study the reactivity of "[PhBP_3]Co" systems to explore group transfer and small molecule activation chemistry will be highlighted. Two illustrative examples of reactivity readily afforded by the novel low spin [PhBP_3]Col complex are shown below. Stoichiometric oxygen addition affords a novel high spin cobalt iodide in which the donor ligand has undergone a formal 4-electron oxidation. The low spin iodide complex also binds CO readily, chemically distinct from the many 4-coordinate high spin cobalt(ll) systems known.

Item Type:Article
Peters, Jonas C.0000-0002-6610-4414
Additional Information:© 2002 American Chemical Society.
Record Number:CaltechAUTHORS:20140725-130843808
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47500
Deposited By: Tony Diaz
Deposited On:25 Jul 2014 23:03
Last Modified:26 Nov 2019 11:15

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