Abstract
The reaction of Ru3(CO)12 with 3,3 dimethylthietane (DMT) at 68°C yielded the new tetraruthenium cluster complex Ru4(CO)12(μ-SCH2CMe2CH2)2,1 in 23% yield. Compound1 was characterized crystallographically and was shown to consist of a puckered square of four ruthenium atoms with two DMT ligands bridging opposite sides of the cluster via the sulfur atoms. Compound1 reacts with CO (98°C/1 atm) to yield the new tetraruthenium complex Ru4(CO)13 (μ-SCH2CMe2CH2),2 in 69% yield. Compound2 consists of a butterfly tetrahedral cluster of four ruthenium atoms with a DMT ligand bridging the wing-tip metal atoms. Addition of DMT to2 regenerates1 in 67% yield. Crystal data—1: space group =\(P\bar 1\),a=17.490(2) Å,b=18.899(3) Å,c=9.781(1) Å, α=93.06(1)°, β=91.06(1)°, γ=105.239(9)°,Z=4, 5799 reflections,R=0.026; for2: space group = P21/n,a=15.430(3) Å,b=18.285(4) Å,c=9.850(2) Å, β=90.05(2)°,Z=4, 2111 reflections,R=0.036.
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Adams, R.D., Belinski, J.A. The preparation and structural characterization of ruthenium carbonyl cluster complexes containing 3,3 dimethylthietane ligands. J Clust Sci 1, 319–333 (1990). https://doi.org/10.1007/BF01032276
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DOI: https://doi.org/10.1007/BF01032276