Reactions of some triosmium clusters of the type Os3(μ-H)2(CO)9Ar (Ar C6H4, C9H6, C4H3N, or C4H3NMe) with phosphine and phosphites; X-ray crystal structure of Os3(μ-H)2(CO)7[P(OMe)3]2(C4H3N)

Hong Chen; Brian F.G. Johnson; Jack Lewis; Paul R. Raithby

doi:10.1016/0022-328X(91)83189-B

Reactions of some triosmium clusters of the type Os₃(μ-H)₂(CO)₉Ar (Ar C₆H₄, C₉H₆, C₄H₃N, or C₄H₃NMe) with phosphine and phosphites; X-ray crystal structure of Os₃(μ-H)₂(CO)₇[P(OMe)₃]₂(C₄H₃N)

Hong Chen, Brian F.G. Johnson, Jack Lewis, Paul R. Raithby

University of Cambridge

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

Abstract

Triosmium clusters with the formulation Os₃(μ-H)₂(CO)₉Ar[Ar C₆H₄ (1), C₉H₆ (2), C₄H₃N (3), or C₄H₂NMe (4)] can be chemically activated by reaction with Me₃NO/MeCN to produce the reactive species Os₃(μ-H)₂(CO)_9-n(MeCN)_nAr[n = 1, Ar = C₆H₄ (5), C₉H₆ (6), C₄H₃N (7), or C₄H₂NMe (8); n = 2, Ar = C₆H₄ (9), C₉H₆ (10), C₆H₃N (11), or C₄H₂NMe (12)], which then react with phosphine or phosphite molecules to give substituted products Os₃(μ-H)₂(CO)_9-n(PR₃)_nAr (n = 1, or 2, R = Ph, Et, or OMe). These clusters have been characterised by spectroscopic techniques, and Os₃(μ-H)₂(CO)₇[P(OMe)₃]₂(C₄H₃N) (24) has been structurally characterised by an X-ray analysis. In this complex one of the phosphite ligand occupies an axial site on the osmium triangle while the second occupies a more conventional equatorial site. The C₄H₃N ligand capts the triangle and is coordinated through the nitrogen and one carbon atom.

Original language	English
Pages (from-to)	219-236
Number of pages	18
Journal	Journal of Organometallic Chemistry
Volume	406
Issue number	1-2
DOIs	https://doi.org/10.1016/0022-328X(91)83189-B
Publication status	Published - 26 Mar 1991

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/0022-328X(91)83189-B

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Reactions of some triosmium clusters of the type Os₃(μ-H)₂(CO)₉Ar (Ar C₆H₄, C₉H₆, C₄H₃N, or C₄H₃NMe) with phosphine and phosphites; X-ray crystal structure of Os₃(μ-H)₂(CO)₇[P(OMe)₃]₂(C₄H₃N). / Chen, Hong; Johnson, Brian F.G.; Lewis, Jack et al.
In: Journal of Organometallic Chemistry, Vol. 406, No. 1-2, 26.03.1991, p. 219-236.

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

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title = "Reactions of some triosmium clusters of the type Os3(μ-H)2(CO)9Ar (Ar C6H4, C9H6, C4H3N, or C4H3NMe) with phosphine and phosphites; X-ray crystal structure of Os3(μ-H)2(CO)7[P(OMe)3]2(C4H3N)",

abstract = "Triosmium clusters with the formulation Os3(μ-H)2(CO)9Ar[Ar C6H4 (1), C9H6 (2), C4H3N (3), or C4H2NMe (4)] can be chemically activated by reaction with Me3NO/MeCN to produce the reactive species Os3(μ-H)2(CO)9-n(MeCN)nAr[n = 1, Ar = C6H4 (5), C9H6 (6), C4H3N (7), or C4H2NMe (8); n = 2, Ar = C6H4 (9), C9H6 (10), C6H3N (11), or C4H2NMe (12)], which then react with phosphine or phosphite molecules to give substituted products Os3(μ-H)2(CO)9-n(PR3)nAr (n = 1, or 2, R = Ph, Et, or OMe). These clusters have been characterised by spectroscopic techniques, and Os3(μ-H)2(CO)7[P(OMe)3]2(C4H3N) (24) has been structurally characterised by an X-ray analysis. In this complex one of the phosphite ligand occupies an axial site on the osmium triangle while the second occupies a more conventional equatorial site. The C4H3N ligand capts the triangle and is coordinated through the nitrogen and one carbon atom.",

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T1 - Reactions of some triosmium clusters of the type Os3(μ-H)2(CO)9Ar (Ar C6H4, C9H6, C4H3N, or C4H3NMe) with phosphine and phosphites; X-ray crystal structure of Os3(μ-H)2(CO)7[P(OMe)3]2(C4H3N)

AU - Chen, Hong

AU - Johnson, Brian F.G.

AU - Lewis, Jack

AU - Raithby, Paul R.

PY - 1991/3/26

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N2 - Triosmium clusters with the formulation Os3(μ-H)2(CO)9Ar[Ar C6H4 (1), C9H6 (2), C4H3N (3), or C4H2NMe (4)] can be chemically activated by reaction with Me3NO/MeCN to produce the reactive species Os3(μ-H)2(CO)9-n(MeCN)nAr[n = 1, Ar = C6H4 (5), C9H6 (6), C4H3N (7), or C4H2NMe (8); n = 2, Ar = C6H4 (9), C9H6 (10), C6H3N (11), or C4H2NMe (12)], which then react with phosphine or phosphite molecules to give substituted products Os3(μ-H)2(CO)9-n(PR3)nAr (n = 1, or 2, R = Ph, Et, or OMe). These clusters have been characterised by spectroscopic techniques, and Os3(μ-H)2(CO)7[P(OMe)3]2(C4H3N) (24) has been structurally characterised by an X-ray analysis. In this complex one of the phosphite ligand occupies an axial site on the osmium triangle while the second occupies a more conventional equatorial site. The C4H3N ligand capts the triangle and is coordinated through the nitrogen and one carbon atom.

AB - Triosmium clusters with the formulation Os3(μ-H)2(CO)9Ar[Ar C6H4 (1), C9H6 (2), C4H3N (3), or C4H2NMe (4)] can be chemically activated by reaction with Me3NO/MeCN to produce the reactive species Os3(μ-H)2(CO)9-n(MeCN)nAr[n = 1, Ar = C6H4 (5), C9H6 (6), C4H3N (7), or C4H2NMe (8); n = 2, Ar = C6H4 (9), C9H6 (10), C6H3N (11), or C4H2NMe (12)], which then react with phosphine or phosphite molecules to give substituted products Os3(μ-H)2(CO)9-n(PR3)nAr (n = 1, or 2, R = Ph, Et, or OMe). These clusters have been characterised by spectroscopic techniques, and Os3(μ-H)2(CO)7[P(OMe)3]2(C4H3N) (24) has been structurally characterised by an X-ray analysis. In this complex one of the phosphite ligand occupies an axial site on the osmium triangle while the second occupies a more conventional equatorial site. The C4H3N ligand capts the triangle and is coordinated through the nitrogen and one carbon atom.

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Reactions of some triosmium clusters of the type Os₃(μ-H)₂(CO)₉Ar (Ar C₆H₄, C₉H₆, C₄H₃N, or C₄H₃NMe) with phosphine and phosphites; X-ray crystal structure of Os₃(μ-H)₂(CO)₇[P(OMe)₃]₂(C₄H₃N)

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