1149341-22-9Relevant academic research and scientific papers
CLUSTER CHEMISTRY. XXXV. REACTIONS OF SOME RUTHENIUM CLUSTER COMPLEXES WITH HYDROGEN: CLEAVAGE OF ELEMENT-CARBON BONDS
Bruce, Michael I.,Shawkataly, Omar Bin,Williams, Michael L.
, p. 127 - 132 (1985)
Hydrogenation (20 atm, 80 deg C, 2 h) of trinuclear Ru3(CO)12-nLn (L= tertiary phosphine or phosphite, n= 1-3) resulted in aggregation to give mixtures of H4Ru4(CO)12-n(L)n (n= 0-4), but Ru3(CO)10(L-L) (L-L= dpp
ACTIVATION OF A CARBON-NITROGEN TRIPLE BOND IN THE PRESENCE OF Ru3(CO)12 AND H4Ru4(CO)12
Lausarot, P. Michelin,Turini, M.,Vaglio, G.A.,Valle, M.,Tiripicchio, A.,et al.
, p. 239 - 246 (1984)
The reaction of PhCN with Ru3(CO)12 in the presence of acetic acid gives H4Ru4(CO)12 (I), (μ-H)Ru3(CO)10(μ-N=CHPh) (II) and (μ-H)Ru3(CO)10(μ-NH-CH2Ph) (III) as the main products.Reaction under 110 atm of H2 gives more III and also gives benzylamine.Replacement of acetic acid by H2 at atmospheric pressure gives only II.When H4Ru4(CO)12 reacts with PhCN alone or in the presence of NaOH, II is formed as the only product. The structures of II and III have been fully elucidated by X-ray methods.The nitrogen atom of the N=CHPh ligand in II and that of the NHCH2Ph ligand in III, interact with the isosceles-triangular metal cluster, symmetrically bridging the shortest Ru(1)-Ru(2) edge.A hydride ligand in both II and III bridges the same Ru(1)-Ru(2) edge of the cluster.Under mild conditions acetic acid in an essential requirement for the activation of Ru3(CO)12 for reaction with PhCN to give III, which cannot be obtained under these conditions from II.
Tetraruthenium carbonyl complexes containing germyl and stannyl ligands from the reactions of Ru4(CO)13(μ-H)2 with HGePh3 and HSnPh3
Adams, Richard D.,Kan, Yuwei,Rassolov, Vitaly,Zhang, Qiang
, p. 20 - 31 (2013/06/05)
The compounds Ru4(CO)12(GePh3) 2(μ-H)4, 1 and Ru4(CO) 12(SnPh3)2(μ-H)4, 2 were obtained from the reactions of Ru4(CO)13(μ-H)2 with HGePh3 and HSnPh3, respectively. Both compounds contain a nearly planar butterfly structure for the four metal atoms with two GePh 3/SnPh3 ligands and four bridging hydride ligands around the periphery of the cluster. When heated, 1 and 2 were converted into the complexes Ru4(CO)12(μ4-EPh)2, 3, E = Ge, and 4, E = Sn, by cleavage of two phenyl groups from each of the GePh3 ligands. Compounds 3 and 4 contain square planar arrangements of the four ruthenium atoms with quadruply bridging germylyne and stannylyne ligands on opposite sides of the square plane. The bonding and electronic transitions of 3 were analyzed by DFT computational analyses.
CLUSTER CHEMISTRY LI. REACTIONS OF SOME SUBSTITUTED RUTHENIUM AND OSMIUM CLUSTER CARBONYLS WITH DIHYDROGEN. X-RAY CRYSTAL STRUCTURES OF Ru3(μ-H)2(μ3-PPh)(CO)8(PMePh2),Ru4(μ-H)4(μ-dppm)(CO)10, Ru4(μ-H)3(μ3-PPhCH2PPh2)(CO)10 AND Os3(μ-H)2(μ-dppm)(CO)8
Bruce, Michael I.,Horn, Ernst,Bin Shawkataly, Omar,Snow, Michael R.,Tiekink, Edward R. T.,Williams, Michael L.
, p. 187 - 212 (2007/10/02)
The reaction of dihydrogen (80 deg C, 20bar, 2h) with a series of tertiary phosphine and phosphite complexes Ru3(CO)12-n(L)n (L=PMe3, PPh3' PPh (OMe)2 or P(OMe)3; n= 1-3), and with complexes containing dppm, dppe, dpam and PPh2(C6H4CH=CH2-2) have been studied.Complexes containing monodentate ligands gave tetranuclear complexes Ru4(μH)4(CO)12-n(L)n (n= 0-3, but not 4). whereas complexes with bidentate ligamnds showed varying behaviour.Thus Ru3(μ-dppm)(CO)10 gaveRu3(μ-H)2(μ3-PPhCH2PPh2)(CO)9, further hydrogenation of which afforded Ru3(μ-H)2(μ3-PPh)(CO)8(PMePh2).Ru3(μ-dppe)(CO)10 gave a mixture of Ru3(μ-H)(μ3-PPhCH2CH2PPh2)(CO)9 and Ru4(μ-H)4(μ-dppe)(CO)10 at the major products, and Ru3(μ-η 2,P-CH2=CHC6H4PPh2)(CO)10 gave a mixture of Ru4(μ-H)4(CO)12-nn (n=0 and 1).Pyrolysis of Ru4(μ-H)4(μ-dppm)(CO)10 afforded Ru4(μ--H)3(μ3-PPhCH2PPh2)(μ-CO)2(CO)8.The molecular structures of Ru3(μ-H)2(μ3-PPh))(CO)8(PMePh2), Ru4(μ-H)4(μ-dppm)(CO)10 and Ru4(μ-H)3(μ-PPhCH2PPh2)(μ-CO)2(CO)8 have been determined: 2286, 4930 and 6393 data (I=>2,5ρ(I)) were refined to R and Rw values of 0.032 and 0.037, 0.026 and 0.035 and 0.043 and 0.053, respectively.Hydrogenation of Os3(μ-dppm)(CO)10 gave Os3(μ-H)2(μ-dppm(CO)8, whose structure was also determined: 3367datawith I>=2.5ρ(I) were refined to R 0.044, Rw 0.052.
