Reaction of the dinuclear cobalt complex [Co2{μ-PPh2HCHC(O)CHCHPPh2(CO) 4]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand

Martin J. Mays; Paul R. Raithby; Moira Ann Rennie; Vallipuram Sarveswaran; Gregory A. Solan

doi:10.1016/s0020-1693(97)06150-1

Reaction of the dinuclear cobalt complex [Co₂{μ-PPh₂HCHC(O)CHCHPPh₂(CO) ₄]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand

Martin J. Mays, Paul R. Raithby, Moira Ann Rennie, Vallipuram Sarveswaran, Gregory A. Solan

University of Cambridge

Research output: Contribution to journal › Article › peer-review

3 Citations (SciVal)

Abstract

The thermal reaction of [Co₂{μ-PPh₂HCHC(O)CHCHPPh₂)(CO)₄] (2) with two-electron donor ligands, L, leads to the mono-and bis-substituted complexes [Co₂(μ-PPh₂CHCHC(O)CHCHPPh₂}(CO) ₃(L)] (L = PPhMe₂ (3a), PPh₂H (3b), P(OMe)₃ (3c), CN'Bu (3d)) and [Co₂{μ,-PPh₂HCHC(O)CHCHPPh₂}(CO) ₂(L)2 (L = PPhMe₂ (4a), PPh₂H (4b), P(OMe)₃ (4c), CN'Bu (4d)), in which CO groups rather than bound alkenes have been displaced from the metal centres. Single crystal X-ray diffraction has been used to determine the structure of [Co₂(μ-PPh₂CHCHC(O)CHCHPPh₂}(CO)2(PPhMe2)2] -0.25[C6H14] (4a) (which crystallises in the monoclinic space group P2,/c with a = 15.932(2),b= 12.608(4),c = 23.847(3) Å, β= 98.87(3)°,Z=4).

Original language	English
Pages (from-to)	186-192
Number of pages	7
Journal	Inorganica Chimica Acta
Volume	277
Issue number	2
DOIs	https://doi.org/10.1016/s0020-1693(97)06150-1
Publication status	Published - 3 Aug 1998

Keywords

Alkene complexes
Cobalt complexes
Crystal structures
Dinuclear complexes
Diphosphine complexes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/s0020-1693(97)06150-1

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Mays, M. J., Raithby, P. R., Rennie, M. A., Sarveswaran, V., & Solan, G. A. (1998). Reaction of the dinuclear cobalt complex [Co₂{μ-PPh₂HCHC(O)CHCHPPh₂(CO) ₄]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand. Inorganica Chimica Acta, 277(2), 186-192. https://doi.org/10.1016/s0020-1693(97)06150-1

Reaction of the dinuclear cobalt complex [Co₂{μ-PPh₂HCHC(O)CHCHPPh₂(CO) ₄]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand. / Mays, Martin J.; Raithby, Paul R.; Rennie, Moira Ann et al.
In: Inorganica Chimica Acta, Vol. 277, No. 2, 03.08.1998, p. 186-192.

Research output: Contribution to journal › Article › peer-review

Mays, MJ, Raithby, PR, Rennie, MA, Sarveswaran, V & Solan, GA 1998, 'Reaction of the dinuclear cobalt complex [Co₂{μ-PPh₂HCHC(O)CHCHPPh₂(CO) ₄]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand', Inorganica Chimica Acta, vol. 277, no. 2, pp. 186-192. https://doi.org/10.1016/s0020-1693(97)06150-1

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title = "Reaction of the dinuclear cobalt complex [Co2{μ-PPh2HCHC(O)CHCHPPh2(CO) 4]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand",

abstract = "The thermal reaction of [Co2{μ-PPh2HCHC(O)CHCHPPh2)(CO)4] (2) with two-electron donor ligands, L, leads to the mono-and bis-substituted complexes [Co2(μ-PPh2CHCHC(O)CHCHPPh2}(CO) 3(L)] (L = PPhMe2 (3a), PPh2H (3b), P(OMe)3 (3c), CN'Bu (3d)) and [Co2{μ,-PPh2HCHC(O)CHCHPPh2}(CO) 2(L)2 (L = PPhMe2 (4a), PPh2H (4b), P(OMe)3 (4c), CN'Bu (4d)), in which CO groups rather than bound alkenes have been displaced from the metal centres. Single crystal X-ray diffraction has been used to determine the structure of [Co2(μ-PPh2CHCHC(O)CHCHPPh2}(CO)2(PPhMe2)2] -0.25[C6H14] (4a) (which crystallises in the monoclinic space group P2,/c with a = 15.932(2),b= 12.608(4),c = 23.847(3) {\AA}, β= 98.87(3)°,Z=4).",

keywords = "Alkene complexes, Cobalt complexes, Crystal structures, Dinuclear complexes, Diphosphine complexes",

author = "Mays, {Martin J.} and Raithby, {Paul R.} and Rennie, {Moira Ann} and Vallipuram Sarveswaran and Solan, {Gregory A.}",

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T1 - Reaction of the dinuclear cobalt complex [Co2{μ-PPh2HCHC(O)CHCHPPh2(CO) 4]with two-electron donor ligands; the stabilisation of cobalt-alkene bonds by incorporation of alkenes into a bridging diphosphine ligand

AU - Mays, Martin J.

AU - Raithby, Paul R.

AU - Rennie, Moira Ann

AU - Sarveswaran, Vallipuram

AU - Solan, Gregory A.

PY - 1998/8/3

Y1 - 1998/8/3

N2 - The thermal reaction of [Co2{μ-PPh2HCHC(O)CHCHPPh2)(CO)4] (2) with two-electron donor ligands, L, leads to the mono-and bis-substituted complexes [Co2(μ-PPh2CHCHC(O)CHCHPPh2}(CO) 3(L)] (L = PPhMe2 (3a), PPh2H (3b), P(OMe)3 (3c), CN'Bu (3d)) and [Co2{μ,-PPh2HCHC(O)CHCHPPh2}(CO) 2(L)2 (L = PPhMe2 (4a), PPh2H (4b), P(OMe)3 (4c), CN'Bu (4d)), in which CO groups rather than bound alkenes have been displaced from the metal centres. Single crystal X-ray diffraction has been used to determine the structure of [Co2(μ-PPh2CHCHC(O)CHCHPPh2}(CO)2(PPhMe2)2] -0.25[C6H14] (4a) (which crystallises in the monoclinic space group P2,/c with a = 15.932(2),b= 12.608(4),c = 23.847(3) Å, β= 98.87(3)°,Z=4).

AB - The thermal reaction of [Co2{μ-PPh2HCHC(O)CHCHPPh2)(CO)4] (2) with two-electron donor ligands, L, leads to the mono-and bis-substituted complexes [Co2(μ-PPh2CHCHC(O)CHCHPPh2}(CO) 3(L)] (L = PPhMe2 (3a), PPh2H (3b), P(OMe)3 (3c), CN'Bu (3d)) and [Co2{μ,-PPh2HCHC(O)CHCHPPh2}(CO) 2(L)2 (L = PPhMe2 (4a), PPh2H (4b), P(OMe)3 (4c), CN'Bu (4d)), in which CO groups rather than bound alkenes have been displaced from the metal centres. Single crystal X-ray diffraction has been used to determine the structure of [Co2(μ-PPh2CHCHC(O)CHCHPPh2}(CO)2(PPhMe2)2] -0.25[C6H14] (4a) (which crystallises in the monoclinic space group P2,/c with a = 15.932(2),b= 12.608(4),c = 23.847(3) Å, β= 98.87(3)°,Z=4).

KW - Alkene complexes

KW - Cobalt complexes

KW - Crystal structures

KW - Dinuclear complexes

KW - Diphosphine complexes

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