Molecular rearrangements of diynes coordinated to triosmium carbonyl clusters: The synthesis and structural characterisation of [Os3(μ-H)(CO)10{μ3-η 1:η3:η1-Ph(C)C9 H6)}]

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Molecular rearrangements of diynes coordinated to triosmium carbonyl clusters: The synthesis and structural characterisation of [Os3(μ-H)(CO)10{μ3-η 1:η3:η1-Ph(C)C9 H6)}]. / Clarke, L.P.; Davies, J.E.; Krupenya, D.V.; Raithby, P.R.; Shields, G.P.; Starova, G.L.; Tunik, S.P.

In: Journal of Organometallic Chemistry, Vol. 683, No. 2, 2003, p. 313-323.

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BibTeX

@article{2f53e3a8a35043178b1dc2144ebe0832,

title = "Molecular rearrangements of diynes coordinated to triosmium carbonyl clusters: The synthesis and structural characterisation of [Os3(μ-H)(CO)10{μ3-η 1:η3:η1-Ph(C)C9 H6)}]",

abstract = "The reaction between [Os3H2(CO)10] and 1,4-diphenylbuta-1,3-diyne yields two isomers of the triosmium cluster [Os3(μ-H)(CO)10{μ3- η1:η3:η1- Ph(C)C9 H6)}] 1, 2, the structures of which involve an 'open' metal triangle and exhibit an unusual pseudo-allylic interaction involving a fused six- and five-membered ring system obtained from a ring-closure reaction of the diyne. Thermal decarbonylation of 1 and 2 produces [Os3(μ-H) (CO)9{μ3-η 1:η3: η1-Ph(C)C9 H6)}] (3) which has a 'closed' Os3 triangular core and the same formal μ3-η1:η 3:η 1-allylic coordination mode. The reaction of 1 with trimethylamine-N-oxide in the presence of acetonitrile affords [Os3(μ-H)(CO)8(MeCN){μ3- η 1:η3:η1- (Ph(C)C9 H6)}] (4), an acetonitrile-substituted derivative of 3. The structures of clusters 1-4 have been established by X-ray crystallography, and all the new clusters have been characterised spectroscopically.",

keywords = "Carbonyl cluster, Diyne, NMR, Osmium, X-ray crystal structures",

author = "L.P. Clarke and J.E. Davies and D.V. Krupenya and P.R. Raithby and G.P. Shields and G.L. Starova and S.P. Tunik",

year = "2003",

language = "не определен",

volume = "683",

pages = "313--323",

journal = "Journal of Organometallic Chemistry",

issn = "0022-328X",

publisher = "Elsevier",

number = "2",

}

RIS

TY - JOUR

T1 - Molecular rearrangements of diynes coordinated to triosmium carbonyl clusters: The synthesis and structural characterisation of [Os3(μ-H)(CO)10{μ3-η 1:η3:η1-Ph(C)C9 H6)}]

AU - Clarke, L.P.

AU - Davies, J.E.

AU - Krupenya, D.V.

AU - Raithby, P.R.

AU - Shields, G.P.

AU - Starova, G.L.

AU - Tunik, S.P.

PY - 2003

Y1 - 2003

N2 - The reaction between [Os3H2(CO)10] and 1,4-diphenylbuta-1,3-diyne yields two isomers of the triosmium cluster [Os3(μ-H)(CO)10{μ3- η1:η3:η1- Ph(C)C9 H6)}] 1, 2, the structures of which involve an 'open' metal triangle and exhibit an unusual pseudo-allylic interaction involving a fused six- and five-membered ring system obtained from a ring-closure reaction of the diyne. Thermal decarbonylation of 1 and 2 produces [Os3(μ-H) (CO)9{μ3-η 1:η3: η1-Ph(C)C9 H6)}] (3) which has a 'closed' Os3 triangular core and the same formal μ3-η1:η 3:η 1-allylic coordination mode. The reaction of 1 with trimethylamine-N-oxide in the presence of acetonitrile affords [Os3(μ-H)(CO)8(MeCN){μ3- η 1:η3:η1- (Ph(C)C9 H6)}] (4), an acetonitrile-substituted derivative of 3. The structures of clusters 1-4 have been established by X-ray crystallography, and all the new clusters have been characterised spectroscopically.

AB - The reaction between [Os3H2(CO)10] and 1,4-diphenylbuta-1,3-diyne yields two isomers of the triosmium cluster [Os3(μ-H)(CO)10{μ3- η1:η3:η1- Ph(C)C9 H6)}] 1, 2, the structures of which involve an 'open' metal triangle and exhibit an unusual pseudo-allylic interaction involving a fused six- and five-membered ring system obtained from a ring-closure reaction of the diyne. Thermal decarbonylation of 1 and 2 produces [Os3(μ-H) (CO)9{μ3-η 1:η3: η1-Ph(C)C9 H6)}] (3) which has a 'closed' Os3 triangular core and the same formal μ3-η1:η 3:η 1-allylic coordination mode. The reaction of 1 with trimethylamine-N-oxide in the presence of acetonitrile affords [Os3(μ-H)(CO)8(MeCN){μ3- η 1:η3:η1- (Ph(C)C9 H6)}] (4), an acetonitrile-substituted derivative of 3. The structures of clusters 1-4 have been established by X-ray crystallography, and all the new clusters have been characterised spectroscopically.

KW - Carbonyl cluster

KW - Diyne

KW - NMR

KW - Osmium

KW - X-ray crystal structures

M3 - статья

VL - 683

SP - 313

EP - 323

JO - Journal of Organometallic Chemistry

JF - Journal of Organometallic Chemistry

SN - 0022-328X

IS - 2

ER -

ID: 5118562