Synthesis and reactions of some triple alkoxo- and thioato-bridged areneruthenium(II) complexes. X-ray structure determination of [Ru2(η-C6H6)2(OMe)3][BPh4] |
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| Authors: | RO Gould TA Stephenson DA Tocher |
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| Institution: | Department of Chemistry, University of Edinburgh, Edinburgh, EH9 3JJ Great Britain |
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| Abstract: | Reaction of {Ru(η-arene)Cl2}2] (arene = C6H6, 1,4-MeC6H4CHMe2) with NaNH2 in CH3CN gives a dark oil which upon treatment with ROH/NaBPh4 (R = Me, Et) gives the triple bridged complexes Ru2(η-arene)2(OR)3] BPh4]. The structure of the benzene complex (R = Me) has been verified by X-ray analysis. The crystals are monoclinic, space group P21/n with a 11.725(4), b 15.573(5), c 18.739(2) Å; β 103.29(2)°. These complexes undergo reactions with tertiary phosphines and hydrogen halides. There is also spectroscopic evidence for intermolecular exchange of the bridging alkoxo ligands on mixing pure solutions of the M2(arene)2(OR)3]+ cations (M = Ru, Os). Reaction of {Ru(η-arene)Cl2}2] with Pb(SEt)2 in CH3CN gives the analogous Ru2(arene)2(SEt)3]+ cations. |
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