Chelate complexes from diphosphine substitution in pentakis( arylisocyanide)cobalt(I) complexes

Journal article

Authors / Editors

Mbaiwa, Foster

Research Areas

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Publication Details

Author list: Mbaiwa FF, Becker CAL

Publisher: Taylor and Francis Group

Place: ABINGDON

Publication year: 2007

Journal: Journal of Coordination Chemistry (0095-8972)

Journal acronym: J COORD CHEM

Volume number: 60

Issue number: 2

Start page: 153

End page: 161

Number of pages: 9

ISSN: 0095-8972

eISSN: 1029-0389

Languages: English-Great Britain (EN-GB)

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Abstract

Four chelate complexes, [ Co( CNC(6)H(3)iPr(2)-2,6)(3)P(C6H4Me-p)(2)CH2CH2P( C6H4Me-p)(2)]BF4, [Co(CNC(6)H(3)iPr(2)-2,6)(3)PPh2CH=CHPPh2-cis]BF4, [Co(CNC(6)H(3)iPr(2)-2,6)(3)PPh2C6H4PPh2-o] BF4, and [Co(CNC(6)H(3)iPr(2)-2,6)(3)P(C6H4CF3-p)(2)CH2CH2P(C6H4CF3-p)(2)] BF4, have been synthesized by substitution reactions of [ Co( CNC(6)H(3)iPr(2)-2,6)(5)] BF4 at elevated temperatures and/ or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, P-31 NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis( arylisocyanide) cobalt(I) complexes mono- substituted with diphosphine ligands.

Keywords

arylisocyanide, cobalt(I) complex, cyclic voltammetry, diphosphine, P-31-NMR

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