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New Synthetic Routes to 2:η2:η2-C6H6)> (M = Ru or Os)

DOI: 10.1039/DT9930000981

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 981 - 984 (1993)

Update date:2022-08-06

Topics:

Authors:

Blake, Alexander J.Blake, Alexander J.

Dyson, Paul J.Dyson, Paul J.

Johnson, Brian F. G.Johnson, Brian F. G.

Martin, Caroline M.Martin, Caroline M.

Nairn, Jacqueline G. M.Nairn, Jacqueline G. M.

et al.et al.

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Article abstract of DOI:10.1039/DT9930000981

A new, more convenient route to the benzene cluster 2:η2:η2-C6H6)> directly from has been established.Triruthenium dodecacarbonyl, , undergoes reaction with Me3NO-CH2Cl2 in the presence of cyclohexa-1,3-diene to give the clusters and 2:η2:η2-C6H6)> in moderate yield.Triosmium dodecacarbonyl does not react similarly, but from the reaction of with cyclohexa-1,3-diene a key intermediate compound 4-C6H8)> has been isolated and the solid-state structure of its acetonitrile solvate established by single crystal X-ray dif fraction analysis at 150 K.The structure is monoclinic, space group P21/n, with a = 8.932(8), b = 17.387(13), c = 14.833(15) Angstroem, β = 105.69(6) deg and Z = 4.The three osmium atoms form a regular triangle with a mean Os-Os distance of 2.877(12) Angstroem.Two osmium atoms, Os(1) and Os(2), are co-ordinated to four carbonyl ligands and one, Os(3), co-ordinates to two carbonyl ligands.All carbonyl ligands are terminal and approximately linear.The cyclohexadiene ligand is η4 co-ordinated to Os(3) via the 1,3-diene moiety, donating four electrons in total.On thermolysis, this compound is converted to and then eventually to 2:η2:η2-C6H6)> by established means.

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Product name:Ru3(CO)9(μ3:η(2):η(2):η(2)-C6H6)

Cas No:128363-71-3

128363-71-3

R&D Labs maybe for 128363-71-3

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