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 in | Journal of coordination chemistry Vol. 60; no. 2; pp. 153 - 161 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Taylor & Francis Group
20.01.2007
|
Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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ISSN: | 0095-8972 1029-0389 |
DOI: | 10.1080/00958970600763201 |