Facile synthesis of a nickel(0) phosphine complex at ambient temperature

The reaction of the bis(methoxy)-2-pyridyl-phosphine (MeO) 2 P(2-py) ( 1 ) with [Ni(MeCN) 6 ](BF 4 ) 2 leads to the unexpected single-step reduction of Ni II and the formation of a tetrahedral nickel(0) complex [{(MeO) 2 P(2-py-H)} 2 {(MeO) 2 P(2-py)} 2 Ni](BF 4 ) 2 ( 2 ). The redox activity is prob...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2020-07, Vol.56 (57), p.7893-7896
Main Authors: Hanf, Schirin, Grell, Toni, Waters, Jessica E, García-Rodríguez, Raúl, Hey-Hawkins, Evamarie, Wright, Dominic S
Format: Article
Language:English
Subjects:
Ambient temperature
Crystallography
Nickel
NMR
Nuclear magnetic resonance
Oxidation
Phosphines
Reduction (metal working)
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Summary:The reaction of the bis(methoxy)-2-pyridyl-phosphine (MeO) 2 P(2-py) ( 1 ) with [Ni(MeCN) 6 ](BF 4 ) 2 leads to the unexpected single-step reduction of Ni II and the formation of a tetrahedral nickel(0) complex [{(MeO) 2 P(2-py-H)} 2 {(MeO) 2 P(2-py)} 2 Ni](BF 4 ) 2 ( 2 ). The redox activity is probably induced by the decomposition of the tetrafluoroborate anion; NMR spectroscopic studies point towards a fluoride-assisted oxidation of the 2-pyridyl-phosphine ligand, with associated reduction of the metal. The reaction of the bis(methoxy)-2-pyridyl-phosphine (MeO) 2 P(2-py) with [Ni(MeCN) 6 ](BF 4 ) 2 leads to the unexpected, single-step reduction of Ni II and the formation of a tetrahedral nickel(0) complex.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc02142c