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246047-72-3, Name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, molecular formula is C46H65Cl2N2PRu, belongs to ruthenium-catalysts compound, is a common compound. In a patnet, once mentioned the new application about 246047-72-3, SDS of cas: 246047-72-3

Cis-selective ring-opening metathesis polymerization with ruthenium catalysts

Cis-selective ring-opening metathesis polymerization of several monocyclic alkenes as well as norbornene and oxanorbornene-type monomers using a C-H activated, ruthenium-based metathesis catalyst is reported. The cis content of the isolated polymers depended heavily on the monomer structure and temperature. A cis content as high as 96% could be obtained by lowering the temperature of the polymerization.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Tunneling barrier effects on photoinduced charge transfer through covalent rigid rod-like bridges

Four homologous dyads with a phenothiazine donor, rigid variable-length p-xylene bridges, and a ruthenium(ll) tris(2,2′-bipyridine) acceptor were synthesized. Photoexcitation of these donor-bridge-acceptor molecules in the presence of excess methylviologen generates a highly oxidizing Ru(lll) intermediate, which triggers an intramolecular phenothiazine-to-ruthenium(lll) electron transfer that is mediated by the oligo-p-xylene spacers. The rates for this process were determined using transient absorption spectroscopy, and they are found to decrease exponentially with increasing donor-acceptor distance. This decrease occurs with an attenuation factor beta of 0.77 A-1 and is substantially stronger than for analogous donor-bridge-acceptor molecules where the acceptor is a rhenium(l) tricarbonyl diimine complex (beta = 0.52 A-1). This striking finding is interpreted in terms of a larger barrier to hole tunneling in the ruthenium dyads relative to the rhenium systems.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Application In Synthesis of Dichloro(benzene)ruthenium(II) dimer. In my other articles, you can also check out more blogs about 37366-09-9

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, Application In Synthesis of Dichloro(benzene)ruthenium(II) dimer.

Structural characterization and biological evaluation of a clioquinol-ruthenium complex with copper-independent antileukaemic activity

In this study, we present the synthesis, biological characterization, and first crystal structure of an organometallic-clioquinol complex. Combining ruthenium with the established apoptotic agent and 8-hydroxyquinoline derivative, clioquinol, resulted in a complex that induces caspase-dependent cell death in leukaemia cells. This activity is copper independent and is improved compared to the parent compound, clioquinol. The study of the mode of action reveals that this clioquinol-ruthenium complex does not intercalate between DNA base pairs. Additionally, this clioquinol-ruthenium complex shows proteasome-independent inhibition of the NFkappaB signalling pathway, with no effects on cell-cycle distribution. These data suggest a mechanism of action that involves a target profile that is different from that for clioquinol alone. the Partner Organisations 2014.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.Formula: C12H12Cl4Ru2, you can also check out more blogs about37366-09-9

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a Article£¬once mentioned of 37366-09-9, Formula: C12H12Cl4Ru2

Ruthenium(II)?arene complexes of diimines: Effect of diimine intercalation and hydrophobicity on DNA and protein binding and cytotoxicity

A series of half-sandwich Ru(II)?arene complexes [Ru(eta6-benzene)(diimine)Cl](PF6) (1?4), where diimine is 1,10-phenanthroline (1), 5,6-dimethyl-1,10-phenanthroline (2), dipyrido[3,2-a:2?,3?-c]phenazine (3) or 11,12-dimethyldipyrido[3,2-a:2?,3?-c]phenazine (4), have been isolated and characterized using analytical and spectral methods. Complex 2 possesses a familiar pseudo-octahedral ?piano-stool? structure. The intrinsic DNA binding affinity of the complexes depends upon the diimine ligand: 3 (dppz) > 4 (11,12-dmdppz) > 2 (5,6-dmp) > 1 (phen). The pi-stacking interaction of extended planar ring of coordinated dppz (3) in between the DNA base pairs is more intimate than that of phen (1), and the incorporation of methyl groups on the dppz ring (4) discourages the stacking interaction leading to a lower DNA binding affinity for 4 than 3. Docking studies show that all the complexes bind in the major groove of DNA. Interestingly, 3 shows an ability to convert supercoiled DNA into nicked circular DNA even at 20 muM concentration beyond which complete oxidative DNA degradation is observed. The protein binding affinity of the complexes decreases in the order 4 > 3 > 2 > 1, and the higher protein binding affinity of 4 illustrates the strong involvement of methyl groups on dppz ring in hydrophobic interaction with protein. Also, 4 cleaves protein more efficiently than the other complexes in the presence of H2O2. It is notable that 2, 3 and 4 display cytotoxicity against human cervical cancer cell lines (SiHa) with potency higher than the currently used drug cisplatin. Acridine orange/ethidium bromide staining studies reveal that 3 induces apoptosis in cancer cells much more efficiently than 4.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.Formula: C46H65Cl2N2PRu, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 246047-72-3, in my other articles.

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 246047-72-3, Name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, molecular formula is C46H65Cl2N2PRu. In a Article£¬once mentioned of 246047-72-3, Formula: C46H65Cl2N2PRu

The effect of substituents at silicon on the cross-metathesis of trisubstituted vinylsilanes with olefins

Efficient cross-metathesis of vinylsilanes, carrying a large spectrum of different substituents at silicon, with various olefins in the presence of the first and second generation Grubbs catalyst and Hoveyda-Grubbs catalyst is described. On the basis of the results of equimolar reactions of vinylsilanes with ruthenium alkylidene complexes and experiments with deuterium-labelled reagents, a general, metallacarbene mechanism for the cross-metathesis of trisubstituted vinylsilanes with olefins has been suggested. Reaction was proved to be a valuable method for synthesis of unsaturated organosilicon derivatives.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.301224-40-8, Name is (1,3-Dimesitylimidazolidin-2-ylidene)(2-isopropoxybenzylidene)ruthenium(VI) chloride, molecular formula is C31H38Cl2N2ORu. In a Article£¬once mentioned of 301224-40-8, SDS of cas: 301224-40-8

Synthesis of stable ruthenium olefin metathesis catalysts with mixed anionic ligands

A series of ruthenium carboxylate complexes that contain two different anionic ligands was prepared. The complexes that bear iodide ligands exhibit remarkable chemical stability. Such complexes have a diminished tendency to undergo anionic ligand exchange and can be activated byvarious acids to form catalysts, which are active in olefinmetathesis reactions. Ruthenium carboxylate complexes that contain an iodide ligand exhibit remarkable stability. Such complexes can be activated by various acids (HA) to form mixed ligand catalysts 12, which are active in metathesis reactions and possess a diminished tendency for anionic ligand exchange.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.name: Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II). In my other articles, you can also check out more blogs about 15746-57-3

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), name: Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II).

Intramolecular Electron Transfer in Linked Tris(2,2′-bipyridine)ruthenium(II)/Diquat Complexes

Electron transfer (ET) rates have been measured for a series of linked tris(2,2′-bipyridine)ruthenium(II)/diquat complexes in room-temperature acetonitrile solutions, using time-resolved picosecond emission and absorption spectroscopies.The rate of ET from the metal-to-ligand charge transfer (MLCT) states to the diqaut acceptor has been analyzed in terms of a simple kinetic model, in which MLCT exciton hopping is fast, ET to the diquat is rate limiting, and the latter occurs only from MLCT states localized on bipyridine ligands which are linked to diquat acceptors.Electrochemical data for Ru 2+/1+ and Ru 1+/0 reduction potentials have been related to MLCT state energies and used in the model.Semiquantitative agreement was found between the model’s predictions and measured ET times.A linear relationship was found to exist between ET driving force and the log of the ET rate.Reverse (diqaut to ruthenium) ET rates were determined to be fast relative to forward rates.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Synthesis, molecular, crystal and electronic structure of [(C6H6)RuCl(1,10-C12H8N2)]Cl

The [(C6H6)RuCl(1,10-C12H8N2)]Cl complex has been prepared and studied by IR, UV-Vis, 1H NMR spectroscopy and X-ray crystallography. The complex was prepared in reaction of [(C6H6)RuCl2]2 with 1,10-phenatroline in acetone. The electronic spectrum of the compound has been calculated using the TDDFT method.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.Application In Synthesis of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 172222-30-9, in my other articles.

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 172222-30-9, Name is Benzylidenebis(tricyclohexylphosphine)dichlororuthenium, molecular formula is C43H72Cl2P2Ru. In a Article£¬once mentioned of 172222-30-9, Application In Synthesis of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium

Regio- and stereoselective ring-opening dimerization-cross-coupling metathesis of 7-oxanorbornene derivatives

A new metathesis-based route for the linking of two tetrahydrofuran moieties by an ethylene subunit has been developed. Treatment of an optically pure 2-substituted 7-oxanorborn-5-ene with Grubbs’ ruthenium catalyst in the presence of allyl acetate afforded the product of two successive ring-opening metatheses and cross-metathesis in a highly regioselective fashion.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.Application In Synthesis of Benzylidenebis(tricyclohexylphosphine)dichlororuthenium, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 172222-30-9, in my other articles.

Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Switch-on luminescence detection of steroids by tris(bipyridyl)ruthenium(II) complexes containing multiple cyclodextrin binding sites

A luminescent ruthenium(II) complex with six cyclodextrin binding sites is shown to switch off its emission upon binding of N,N’-dinonyl-4,4′- bipyridinium bromide and to recover luminescence upon displacement of the bipyridinium ion by asteroid.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI