Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2)

I Torres-Sandoval; S K Brayshaw; P R Raithby; M J Rosales-Hoz

doi:10.1016/j.jorganchem.2009.10.018

Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2)

I Torres-Sandoval, S K Brayshaw, P R Raithby, M J Rosales-Hoz

Department of Chemistry

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

3 Citations (SciVal)

Abstract

The reactions of [Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3}] with phosphorus donor ligands (PPh3, PEt3, P(OEt)(3), PHPh2 and a diphosphine; Ph2PCH2PPh2 (dppm)) afford carbonyl mono-substitution products [Os-3(mu-CO)(CO)(8){mu(3)-eta(2)-Me3SiC2C2SiMe3}] even in the case of the bidentate phosphine dppm. All the complexes have been characterized by IR and multinuclear NMR spectroscopy and for 2 (L = PPh3), 3 (L = PEt3), 4 (L = P(OEt)(3)) and 5 (L = eta(1)-dppm) the structures have been confirmed by single- crystal X- ray analysis. The structural analyses show that in all four clusters the substitution has occurred at one of osmium equatorial sites that is sigma- bonded to the mu(3)-eta(2)-alkyne. (C) 2009 Published by Elsevier B.V.

Original language	English
Pages (from-to)	156-161
Number of pages	6
Journal	Journal of Organometallic Chemistry
Volume	695
Issue number	2
DOIs	https://doi.org/10.1016/j.jorganchem.2009.10.018
Publication status	Published - 15 Jan 2010

Keywords

Phosphine
Diyne
X-ray crystallograph
Osmium cluster carbonyl
Phosphite

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10.1016/j.jorganchem.2009.10.018

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Senior Fellowship - TIME RESOLVED CRYSTALLOGRAPHY
Raithby, P. (PI)
Engineering and Physical Sciences Research Council
1/12/06 → 30/11/11
Project: Research council

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Torres-Sandoval, I., Brayshaw, S. K., Raithby, P. R., & Rosales-Hoz, M. J. (2010). Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2). Journal of Organometallic Chemistry, 695(2), 156-161. https://doi.org/10.1016/j.jorganchem.2009.10.018

Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2). / Torres-Sandoval, I; Brayshaw, S K; Raithby, P R et al.
In: Journal of Organometallic Chemistry, Vol. 695, No. 2, 15.01.2010, p. 156-161.

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

Torres-Sandoval, I, Brayshaw, SK, Raithby, PR & Rosales-Hoz, MJ 2010, 'Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2)', Journal of Organometallic Chemistry, vol. 695, no. 2, pp. 156-161. https://doi.org/10.1016/j.jorganchem.2009.10.018

Torres-Sandoval I, Brayshaw SK, Raithby PR, Rosales-Hoz MJ. Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2). Journal of Organometallic Chemistry. 2010 Jan 15;695(2):156-161. doi: 10.1016/j.jorganchem.2009.10.018

Torres-Sandoval, I ; Brayshaw, S K ; Raithby, P R et al. / Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2). In: Journal of Organometallic Chemistry. 2010 ; Vol. 695, No. 2. pp. 156-161.

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title = "Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2)",

abstract = "The reactions of [Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3}] with phosphorus donor ligands (PPh3, PEt3, P(OEt)(3), PHPh2 and a diphosphine; Ph2PCH2PPh2 (dppm)) afford carbonyl mono-substitution products [Os-3(mu-CO)(CO)(8){mu(3)-eta(2)-Me3SiC2C2SiMe3}] even in the case of the bidentate phosphine dppm. All the complexes have been characterized by IR and multinuclear NMR spectroscopy and for 2 (L = PPh3), 3 (L = PEt3), 4 (L = P(OEt)(3)) and 5 (L = eta(1)-dppm) the structures have been confirmed by single- crystal X- ray analysis. The structural analyses show that in all four clusters the substitution has occurred at one of osmium equatorial sites that is sigma- bonded to the mu(3)-eta(2)-alkyne. (C) 2009 Published by Elsevier B.V.",

keywords = "Phosphine, Diyne, X-ray crystallograph, Osmium cluster carbonyl, Phosphite",

author = "I Torres-Sandoval and Brayshaw, {S K} and Raithby, {P R} and Rosales-Hoz, {M J}",

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T1 - Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2)

AU - Torres-Sandoval, I

AU - Brayshaw, S K

AU - Raithby, P R

AU - Rosales-Hoz, M J

PY - 2010/1/15

Y1 - 2010/1/15

N2 - The reactions of [Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3}] with phosphorus donor ligands (PPh3, PEt3, P(OEt)(3), PHPh2 and a diphosphine; Ph2PCH2PPh2 (dppm)) afford carbonyl mono-substitution products [Os-3(mu-CO)(CO)(8){mu(3)-eta(2)-Me3SiC2C2SiMe3}] even in the case of the bidentate phosphine dppm. All the complexes have been characterized by IR and multinuclear NMR spectroscopy and for 2 (L = PPh3), 3 (L = PEt3), 4 (L = P(OEt)(3)) and 5 (L = eta(1)-dppm) the structures have been confirmed by single- crystal X- ray analysis. The structural analyses show that in all four clusters the substitution has occurred at one of osmium equatorial sites that is sigma- bonded to the mu(3)-eta(2)-alkyne. (C) 2009 Published by Elsevier B.V.

AB - The reactions of [Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3}] with phosphorus donor ligands (PPh3, PEt3, P(OEt)(3), PHPh2 and a diphosphine; Ph2PCH2PPh2 (dppm)) afford carbonyl mono-substitution products [Os-3(mu-CO)(CO)(8){mu(3)-eta(2)-Me3SiC2C2SiMe3}] even in the case of the bidentate phosphine dppm. All the complexes have been characterized by IR and multinuclear NMR spectroscopy and for 2 (L = PPh3), 3 (L = PEt3), 4 (L = P(OEt)(3)) and 5 (L = eta(1)-dppm) the structures have been confirmed by single- crystal X- ray analysis. The structural analyses show that in all four clusters the substitution has occurred at one of osmium equatorial sites that is sigma- bonded to the mu(3)-eta(2)-alkyne. (C) 2009 Published by Elsevier B.V.

KW - Phosphine

KW - Diyne

KW - X-ray crystallograph

KW - Osmium cluster carbonyl

KW - Phosphite

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JF - Journal of Organometallic Chemistry

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ER -

Reaction of the diyne complex Os-3(mu-CO)(CO)(9){mu(3)-eta(2)-Me3SiCCC CSiMe3} with phosphines and phosphites: Characterization of monophosphine substituted clusters Os-3(mu-CO)(CO)(8)(PR3){mu(3)-eta(2)-Me3SiCCC CSiMe3} (PR3 = PPh3, P(OEt)(3), PEt3, PHPh2 and Ph2PCH2PPh2)

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Keywords

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Projects

Senior Fellowship - TIME RESOLVED CRYSTALLOGRAPHY

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