1287-13-4Relevant articles and documents
One-electron oxidation of ruthenocene: Reactions of the ruthenocenium ion in gentle electrolyte media
Swarts, Jannie C.,Nafady, Ayman,Roudebush, John H.,Trupia, Sabrina,Geiger, William E.
, p. 2156 - 2165 (2009)
The electrochemical oxidation of ruthenocene, RuCp2 (Cp = η5-C5H5), 1, has been studied in dichloromethane using a supporting electrolyte containing either the [B(C 6F5)4]-
A New Synthetic Method for the Preparation of Cyclo-olefin Ruthenium Complexes
Pertici, Paolo,Vitulli, Giovanni,Paci, Maurizio,Porri, Lido
, p. 1961 - 1964 (1980)
Hydrated ruthenium trichloride reacts with cyclohexa-1,3-diene and cyclo-octa-1,5-diene, in the presence of metallic zinc, to give the ruthenium(0) compounds 1-6-η-benzene(1-4-η-cyclohexa-1,3-diene)ruthenium, (1), and (1-2:5-6-η-cyclo-octa-1,5-diene)(1-6-η-cyclo-octa-1,3,5-triene)ruthenium, (2), respectively.The analogous reaction with cyclo-octa-1,3-diene, cyclohepta-1,3-diene, and cyclopentadiene leads to the isolation of the corresponding dienyl complexes bis(1-5-η-cyclo-octadienyl)ruthenium, (3), bis(1-5-η-cycloheptadienyl)-ruthenium, (4), and ruthenocene, (5).Complex (3) is best prepared by heating (2) in hydrocarbon solvents at ca. 100 deg C.
Moessbauer Spectroscopic Studies of Tin(IV) Halide Adducts with Ruthenocene and with Ferrocenophanes
Watanabe, Masanobu,Motoyama, Izumi,Sano, Hirotoshi
, p. 2109 - 2114 (1986)
Adducts of tin(IV) halide with ferrocenophane were prepared by treating SnX4 (X=Cl or Br) with ferrocenophane in hexane.The adducts were studied by means of 57Fe- and 119Sn-Moessbauer spectroscopy and other physicochemical measurements.Anomalously large quadrupole splittings (3.49 mm s-1 for ferrocenophane-1.5SnCl4 adduct and 3.47 mm s-1 for ferrocenophane-1.5SnBr4 adduct, both at 78 degK) found in the 57Fe-Moessbauer spectroscopy and organotin(IV) species (e.g., isomer shift value, 2.14 mm s-1 for the ferrocenophane-1.5SnCl4 adduct and 2.10mm s-1 for the ferrocenophane-1.5SnBr4 adduct, both at 78 degK) found from the 119Sn-Moessbauer spectroscopy suggest that a direct chemical bonding between Fe and Sn atoms is formed in the ferrocenophane adducts, as the Ru-Sn bonding in the ruthenocene-1.5SnCl4 adduct (isomer shift value, 2.08 mm s-1 at 78 degK).
CYCLOPENTADIENYL-RUTHENIUM AND -OSMIUM COMPLEXES III. CHEMICAL MECHANISM OF DISSOLUTION OF CHLORO(η-CYCLOPENTADIENYL)-BIS(TRIPHENYLPHOSPHINE)RUTHENIUM(II) IN POLAR SOLVENTS
Wilczewski, Tadeusz
, p. 331 - 340 (1985)
The conversion of CpRuCl(PPh3)2 in boiling ethylene glycol within 90 h of reflux has been investigated.New complex cations in the form of their tetraphenylborates, for which the formulae 1RuCl(PPh3)PPh2Cp2Ru(η-C6H5)>+ and + are proposed, were isolated.The former cation is also formed at lower temperatures during the reflux of CpRuCl(PPh3)2 in methanol.The following process takes place: 2CpRuCl(PPh3)2 -> 1RuCl(PPh3)PPh2Cp2Ru(η-C6H5)>+ + Cl- + 2PPh3.In the presence of dicyclopentadiene during the reflux of CpRuCl(PPh3)2 in high boiling polar solvents (ethylene glycol, dimethyl sulphoxide), ruthenocene is formed in a 90 percent yield.One of the cyclopentadienyl groups in ruthenocene originates from dicyclopentadiene.As a result of the reaction of CpRuCl(PPh3)2 and NaBPh4 in a mixture of diglyme and methanol, a colourless, crystalline compound, CpRu(η-C6H5)BPh3, is obtained in a 50-60 percent yield.
A convenient synthetic route to [CpRu(CH3CN3)]PF6
Trost, Barry M.,Older, Christina M.
, p. 2544 - 2546 (2002)
A convenient synthetic route to [CpRu(CH3CN)3]PF6 was presented. A new practical protocol that avoids the stoichiometric use of either thallium or silver salts for the synthesis of the given compound was described. It was shown that the introduction of the cyclopentadienyl ligand via ethanolic reduction of [(arene)RuCl2]2 in the presence of cyclopentadiene is a simple and convenient entry to cyclopentadienylruthenium complexes.
IMPROVED METHOD FOR SYNTHESIS OF ARENECYCLOPENTADIENYLRUTHENIUM CATIONS
Vol'kenau, N. A.,Bolesova, I. N.,Shul'pina, L. S.,Kitaigorodskii, A. N.,Kravtsov, D. N.
, p. 341 - 348 (1985)
An improved method for the synthesis of + salts by means of ligand exchange at ruthenocene is described.A set of new +X- was obtained.The 1H NMR spectra of arenecyclopentadienylruthenium salts were discussed.
Organometallic nucleoside analogues: Effect of the metallocene metal atom on cancer cell line toxicity
Ismail, Media K.,Armstrong, Katie A.,Hodder, Samantha L.,Horswell, Sarah L.,Male, Louise,Nguyen, Huy V.,Wilkinson, Edward A.,Hodges, Nikolas J.,Tucker, James H. R.
, p. 1181 - 1190 (2020)
A new chiral organometallic nucleoside analogue containing ruthenocene is reported, in which alkylthymine and alkylhydroxyl groups are attached in adjacent positions on one cyclopentadienyl ring. The synthetic procedures for this metallocene derivative and two control compounds are described, along with their characterisation by cyclic voltammetry and X-ray crystallography. Their biological activities in a human pancreatic cancer cell line (MIA-Pa-Ca-2) were significantly lower than those of three previously reported analogous ferrocene compounds, indicating that the choice of metallocene metal atom (Fe or Ru) plays a pivotal role in determining the anticancer properties of these nucleoside analogues, which in turn suggests a different mode of action from that of a conventional nucleoside analogue.
CYCLOPENTADIENYL-RUTHENIUM AND -OSMIUM COMPLEXES V. SYNTHESIS, REACTIVITY AND CRYSTAL STRUCTURE DETERMINATION OF CARBONYLCHLORO(η-CYCLOPENTADIENYL)-(TRIPHENYLPHOSPHINE)RUTHENIUM(II)
Wilczewski. Tadeusz,Dauter, Zbigniew
, p. 349 - 356 (1986)
CpRuCl(CO)PPh3 is formed as the result of refluxing CpRuCl(PPh3)2 in ethylene glycol (yield up to 15percent).A dissociation process is postulated with liberation of one PPh3 molecule and simultaneous rearrangement of the cation formed earlier: +Cl- -> CpRuCl(CO)PPh3 + PPh3.CpRuCl(CO)PPh3 reacts reluctantly with the alkoxy anion to give CpRuH(PPh3), in contrast to CpRuCl(PPh3)2, which undergoes very facile transformation into CpRuH(PPh3)2.The structure of CpRuCl(CO)PPh3 has been determined by the single-crystal X-ray diffraction method.The compound is triclinic, space group P, a 9.378(2), b 10.584(2), c 16.590(4) Angstroem, α 126.11(1), β 55.91(1), γ 101.49(1) deg .The unit cell contains both R and S enantiomers.A shorter distance of the Ru-Cl bond has been noted in CpRuCl(CO)PPh3 (2.396 Angstroem) in comparison with the Ru-Cl distance in CpRuCl(PPh3)2 (2.453 Angstroem).This causes a diminishing tendency to lose a chloride ion and as a result, nucleophilic attack of RO- on CpRuCl(CO)PPh3.
Synthesis, Computational Studies, Inelastic Neutron Scattering, Infrared and Raman Spectroscopy of Ruthenocene
Parker, Stewart F.,Butler, Ian R.
, p. 1142 - 1146 (2019)
In this work we report a new and simplified synthesis of ruthenocene that prevents the formation of unwanted by-products. We have also revisited the vibrational spectroscopy of this iconic molecule and in addition to infrared and variable temperature Raman spectra, we present the first inelastic neutron scattering (INS) spectrum, a technique that is little used in inorganic chemistry. The Raman spectra in the low energy range (–1) clearly show that the mode assigned as the ring–Ru–ring torsion is a librational mode. By generating the INS spectra predicted by previous assignment schemes we are able to show that they are all, at least partially, wrong because they fail to correctly predict the experimental INS spectrum. In the case of ruthenocene, the addition of INS data, in combination with periodic-DFT calculations, has enabled the first correct assignment of the internal modes of ruthenocene. This straightforward means to test proposed assignments is one of the great strengths of vibrational spectroscopy with neutrons.
Synthesis, reactivity, and characterization of ruthenocenes bearing pentazincated cyclopentadienyl ligands
Seneviratne, Kapila N.,Winter, Charles H.
, p. 2498 - 2499 (1997)
Treatment of pentakis(chloromercurio)pentamethylruthenocene or decakis(chloromercurio)ruthenocene with dimethylzinc affords ruthenocenes containing pentazincated cyclopentadienyl ligands. The reactivity of the perzincated ruthenocenes is presented, along
Wilkinson, G.
, p. 6146 - 6147 (1952)
Reduction of ruthenium arenecyclopentadienyl complexes reactions induced by electron transfer
Gusev, Oleg V.,Ievlev, Mikhail A.,Peterleitner, Mikhail G.,Peregudova, Svetlana M.,Denisovich, Larisa I.,Petrovskii, Pavel V.,Ustynyuk, Nikolai A.
, p. 57 - 66 (1997)
Ruthenium arenecyclopentadienyl complexes [Ru(η5-C5R5)(η6-arene)]+ (1, R = H, arene = C6H6; 2, R = Me, arene = C6H6; 3, R = H; arene = C6H3
