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

F. Foster Mbaiwa; C. A.L. Becker

doi:10.1080/00958970600763201

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

F. Foster Mbaiwa, C. A.L. Becker

Chemical & Forensic Sciences

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Abstract

Four chelate complexes, [Co(CNC₆H₃iPr ₂-2,6)₃P(C₆H₄Me-p) ₂CH₂CH₂P(C₆H₄Me-p) ₂]BF₄, [Co(CNC₆H₃iPr ₂-2,6)₃PPh₂CH=CHPPh₂-cis]BF ₄, [Co(CNC₆H₃iPr₂-2,6) ₃PPh₂C₆H₄PPh₂-o]BF ₄, and [Co(CNC₆H₃iPr₂-2,6) ₃P(C₆H₄CF₃-p)₂CH ₂CH₂P(C₆H₄CF₃-p) ₂]BF₄, have been synthesized by substitution reactions of [Co(CNC₆H₃iPr₂-2,6)₅]BF₄ at elevated temperatures and/or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, ³¹P NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis(arylisocyanide)cobalt(I) complexes mono-substituted with diphosphine ligands.

Original language	English
Pages (from-to)	153-161
Number of pages	9
Journal	Journal of Coordination Chemistry
Volume	60
Issue number	2
DOIs	https://doi.org/10.1080/00958970600763201
Publication status	Published - Jan 20 2007

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Materials Chemistry

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title = "Chelate complexes from diphosphine substitution in pentakis(arylisocyanide) cobalt(I) complexes",

abstract = "Four chelate complexes, [Co(CNC6H3iPr 2-2,6)3P(C6H4Me-p) 2CH2CH2P(C6H4Me-p) 2]BF4, [Co(CNC6H3iPr 2-2,6)3PPh2CH=CHPPh2-cis]BF 4, [Co(CNC6H3iPr2-2,6) 3PPh2C6H4PPh2-o]BF 4, and [Co(CNC6H3iPr2-2,6) 3P(C6H4CF3-p)2CH 2CH2P(C6H4CF3-p) 2]BF4, have been synthesized by substitution reactions of [Co(CNC6H3iPr2-2,6)5]BF4 at elevated temperatures and/or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, 31P NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis(arylisocyanide)cobalt(I) complexes mono-substituted with diphosphine ligands.",

author = "Mbaiwa, {F. Foster} and Becker, {C. A.L.}",

year = "2007",

month = jan,

day = "20",

doi = "10.1080/00958970600763201",

language = "English",

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journal = "Journal of Coordination Chemistry",

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T1 - Chelate complexes from diphosphine substitution in pentakis(arylisocyanide) cobalt(I) complexes

AU - Mbaiwa, F. Foster

AU - Becker, C. A.L.

PY - 2007/1/20

Y1 - 2007/1/20

N2 - Four chelate complexes, [Co(CNC6H3iPr 2-2,6)3P(C6H4Me-p) 2CH2CH2P(C6H4Me-p) 2]BF4, [Co(CNC6H3iPr 2-2,6)3PPh2CH=CHPPh2-cis]BF 4, [Co(CNC6H3iPr2-2,6) 3PPh2C6H4PPh2-o]BF 4, and [Co(CNC6H3iPr2-2,6) 3P(C6H4CF3-p)2CH 2CH2P(C6H4CF3-p) 2]BF4, have been synthesized by substitution reactions of [Co(CNC6H3iPr2-2,6)5]BF4 at elevated temperatures and/or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, 31P NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis(arylisocyanide)cobalt(I) complexes mono-substituted with diphosphine ligands.

AB - Four chelate complexes, [Co(CNC6H3iPr 2-2,6)3P(C6H4Me-p) 2CH2CH2P(C6H4Me-p) 2]BF4, [Co(CNC6H3iPr 2-2,6)3PPh2CH=CHPPh2-cis]BF 4, [Co(CNC6H3iPr2-2,6) 3PPh2C6H4PPh2-o]BF 4, and [Co(CNC6H3iPr2-2,6) 3P(C6H4CF3-p)2CH 2CH2P(C6H4CF3-p) 2]BF4, have been synthesized by substitution reactions of [Co(CNC6H3iPr2-2,6)5]BF4 at elevated temperatures and/or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, 31P NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis(arylisocyanide)cobalt(I) complexes mono-substituted with diphosphine ligands.

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JF - Journal of Coordination Chemistry

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ER -

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

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