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

Four chelate complexes, [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 Me-p) 2 CH 2 CH 2 P(C 6 H 4 Me-p) 2 ]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 CH=CHPPh 2 -cis]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 C 6 H 4 PPh 2 -o]BF 4 , and [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 CF 3 -p) 2 CH 2 CH 2 P(C 6 H 4 CF 3 -...

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Published inJournal of coordination chemistry Vol. 60; no. 2; pp. 153 - 161
Main Authors Mbaiwa, F. Foster, Becker, C. A. L.
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 20.01.2007
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Abstract Four chelate complexes, [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 Me-p) 2 CH 2 CH 2 P(C 6 H 4 Me-p) 2 ]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 CH=CHPPh 2 -cis]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 C 6 H 4 PPh 2 -o]BF 4 , and [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 CF 3 -p) 2 CH 2 CH 2 P(C 6 H 4 CF 3 -p) 2 ]BF 4 , have been synthesized by substitution reactions of [Co(CNC 6 H 3 iPr 2 -2,6) 5 ]BF 4 at elevated temperatures and/or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, 31 P NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis(arylisocyanide)cobalt(I) complexes mono-substituted with diphosphine ligands.
AbstractList Four chelate complexes, [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 Me-p) 2 CH 2 CH 2 P(C 6 H 4 Me-p) 2 ]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 CH=CHPPh 2 -cis]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 C 6 H 4 PPh 2 -o]BF 4 , and [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 CF 3 -p) 2 CH 2 CH 2 P(C 6 H 4 CF 3 -p) 2 ]BF 4 , have been synthesized by substitution reactions of [Co(CNC 6 H 3 iPr 2 -2,6) 5 ]BF 4 at elevated temperatures and/or prolonged reaction times. The complexes have been characterized by IR and electronic spectra, 31 P NMR, cyclic voltammetry, and mass spectrometry. Comparisons are made with the pentakis(arylisocyanide)cobalt(I) complexes mono-substituted with diphosphine ligands.
Author Becker, C. A. L.
Mbaiwa, F. Foster
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Snippet Four chelate complexes, [Co(CNC 6 H 3 iPr 2 -2,6) 3 P(C 6 H 4 Me-p) 2 CH 2 CH 2 P(C 6 H 4 Me-p) 2 ]BF 4 , [Co(CNC 6 H 3 iPr 2 -2,6) 3 PPh 2 CH=CHPPh 2 -cis]BF...
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StartPage 153
SubjectTerms Arylisocyanide
Cobalt(I) complex
Cyclic voltammetry
Diphosphine
P-NMR
Title Chelate complexes from diphosphine substitution in pentakis(arylisocyanide)cobalt(I) complexes
URI https://www.tandfonline.com/doi/abs/10.1080/00958970600763201
Volume 60
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