Tag: M.W:400-500

15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru, belongs to ruthenium-catalysts compound, is a common compound. In a patnet, once mentioned the new application about 15746-57-3, HPLC of Formula: C20H16Cl2N4Ru

Long Range Photoinduced Electron Transfer in a Rigid Polymer

Electron (hole) tunnelling reactions are studied in a rigid polymer medium by following the reductive quenching of a series of Ru(LL)3(2+)* homologues by a series of aromatic amines.Tunnelling distances up to 12 Angstroem (edge to edge) are observed.The experimental data include a determination of the exponential damping factor alpha in the electronic term (Hab).The data are consistent with a weak dependence of alpha on binding energy.Such a weak dependence is more consistent with a superexchange description than with a barrier tunnelling description of electron (hole) transfer.These reactions are shown to be essentially temperature independent between 298 K and 359 K, but are significantly slower at 77 K.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.HPLC of Formula: C20H16Cl2N4Ru. In my other articles, you can also check out more blogs about 15746-57-3

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

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. 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a Article£¬once mentioned of 37366-09-9, SDS of cas: 37366-09-9

Mechanistic investigations on the hydrogenation of alkenes using ruthenium(II)-arene diphosphine complexes

The ruthenium(II) complexes [Ru(eta2-P-P)(eta6-p- cymene)Cl]Cl, P-P = diphenylphosphinomethane (dppm), diphenylphosphinoethane (dppe), or diphenylphosphinopropane (dppp), and the highly water-soluble analogues, [Ru(eta2-P-P)(eta6-arene)Cl]Na3, P-P = 1,2-bis(di-4-sulfonatophenylphosphino)benzene (dppbts), arene = p-cymene, benzene, or [2.2]paracyclophane, are efficient catalyst precursors for the hydrogenation of styrene in an aqueous biphase. By the use of high gas pressure NMR techniques and electrospay ionization mass spectrometry, the active species in the hydrogenation have been indirectly identified to be a dihydrogen complex, which also catalyzes H/D isotope exchange. Using the ruthenium(II) dppbts derivatives as precatalysts, evidence is provided for an arene exchange process that takes place during the catalytic hydrogenation of styrene. Together, these results lead to the proposition of a catalytic cycle for the hydrogenation of the C=C double bond of styrene using ruthenium(II)-arene diphosphine complexes.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.SDS of cas: 37366-09-9. In my other articles, you can also check out more blogs about 37366-09-9

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

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, Quality Control of: Dichloro(benzene)ruthenium(II) dimer.

Enantioselective transfer hydrogenation of pro-chiral ketones catalyzed by novel ruthenium and iridium complexes of well-designed phosphinite ligand

The interaction of [Ru(eta6-arene)(mu-Cl)Cl]2 and Ir(eta5-C5Me5)(mu-Cl)Cl]2 with a new Ionic Liquid-based phosphinite ligand, [(Ph2PO)-C6H9N2Ph]Cl, (2) gave [Ru((Ph2PO)-C6H9N2Ph)(eta6-p-cymene)Cl2]Cl (3), [Ru((Ph2PO)-C6H9N2Ph)(benzene)Cl2]Cl (4) and [Ir((Ph2PO)-C6H9N2Ph)(C5Me5)Cl2]Cl (5), complexes. All the compounds were characterized by a combination of multinuclear NMR and IR spectroscopy as well as elemental analysis. Furthermore, the Ru(II) and Ir(III) catalysts were applied to asymmetric transfer hydrogenation of acetophenone derivatives using 2-propanol as a hydrogen source. The results showed that the corresponding alcohols could be obtained with good activity (up to 55% ee and 99% conversion) under mild conditions. Notably, [Ir((Ph2PO)-C6H9N2Ph)(C5Me5)Cl2]Cl (5) is more active than the other analogous complexes in the transfer hydrogenation (up to 81% ee).

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

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

15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru, belongs to ruthenium-catalysts compound, is a common compound. In a patnet, once mentioned the new application about 15746-57-3, Safety of Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II)

Syntheses of a new segmental penta-heterocyclic ligand and its dinuclear ruthenium(II) complex

The new ligand 2,6-bis-[6-(2-pyridinyl)-4-pyrimidinyl] pyridine (2) has been synthesised, in two steps, by a double Claisen condensation, followed by cyclisation with formation of the two pyrimidine rings. The ligand forms a dinuclear ruthenium(II) complex, with coordination through the two terminal bpy-like components, which has been characterised by spectroscopic and electrochemical methods.

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

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

Related Products of 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

Heteroleptic arene Ru(ii) dipyrrinato complexes: DNA, protein binding and anti-cancer activity against the ACHN cancer cell line

Four organometallic complexes [(eta6-C6H6)RuCl(pmpzdpm)], 1; [(eta6-C6H6)RuCl(pypzdpm)], 2; [(eta6-C10H14)RuCl(pmpzdpm)], 3 and [(eta6-C10H14)RuCl(pypzdpm)], 4 containing 5-(2-pyrimidyl-piperazine)phenyldipyrromethene (pmpzdpm) and 5-(2-pyridylpiperazine)phenyldipyrromethene (pypzdpm) have been designed and synthesized. The complexes 1-4 have been fully characterized by elemental analyses and spectroscopic studies (ESI-MS, IR, 1H, 13C NMR, UV-vis). Their electrostatic/intercalative interaction with CT DNA has been investigated by UV-vis and competitive ethidium bromide displacement studies while their protein binding affinity toward bovine serum albumin (BSA) was realized by UV-vis, fluorescence, synchronous and three dimensional (3D) fluorescence studies. The interaction with DNA and protein has further been validated by in silico studies. Cellular uptake, in vitro cytotoxicity and flow cytometric analyses have been performed to determine the mode of cell death against the kidney cancer cell line ACHN. Cell cycle analysis suggested that the complexes cause cell cycle arrest in the subG1 phase and overall results indicated that the in vitro antitumor activity of 1-4 lies in the order of 3 > 4 > 1 > 2 (IC50, 7.0 1; 8.0 2; 2.0 3; 4.0 muM, 4).

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

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. 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a Article£¬once mentioned of 37366-09-9, SDS of cas: 37366-09-9

Cycloruthenated complexes from iminophosphoranes: Synthesis, structure, and reactivity with internal alkynes

Cycloruthenated complexes [(eta6-arene)Ru(C6H 4-2-PPh2=NR)Cl] (arene = benzene, p-cymene; R = Ph, H) containing orthometalated iminophosphoranes have been obtained by transmetalation reactions from Hg(C6H4-2-PPh 2=NR)2 derivatives to [(eta6-arene)Ru(mu- Cl)Cl]2. These complexes react cleanly with internal alkynes R 1C=CR2 (R1, R2 = Ph, Et, CO 2Me), KPF6, and CuBr2, yielding the 1,1,2-triphenyl-3,4-di(alkyl/aryl)-2,1lambda5-benzazaphosphinin-2- ium heterocycles [C6H4-PPh2-NPh-C(R 1)=C(R2)-3,4]+ as PF6 salts. In all studied cases only the monoinsertion products have been observed. In the case of the asymmetric alkyne MeC=CPh the insertion is regioselective, and the [C 6H4-PPh2-NPh-C(Me)=C(Ph)-3,4]PF6 salt is obtained.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.SDS of cas: 37366-09-9, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 37366-09-9, in my other articles.

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

In an article, published in an article, once mentioned the application of 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II),molecular formula is C20H16Cl2N4Ru, is a conventional compound. this article was the specific content is as follows.COA of Formula: C20H16Cl2N4Ru

A negative activation energy for luminescence decay: Specific solvation effects on the emission properties of bis(2,2′-bipyridine)(3,5-dicarboxy-2,2′-bipyridine)ruthenium(II) chloride

A new mixed-ligand polypyridylruthenium(II) complex, [Ru(bpy)2L]Cl2, has been prepared where bpy = 2,2′-bipyridine and L = 3,5-dicarboxy-2,2′-bipyridine. The ligand L is a non-symmetrically-substituted 2,2′-bipyridine having two hydrophilic carboxylate groups located at the 3- and 5-positions of only one of its two pyridyl rings. In acetonitrile, the photophysical properties of the metal complex include a long-lived excited state (lambda(em) = 637 nm, tau = 846 ¡À 11 ns, Phi = 0.046 at 295 K) whose decay involves an activated crossing to higher energy ligand field states (E(a) = 4170 ¡À 200 cm-1). This behavior is similar to that observed for other ruthenium tris(bipyridyl) compounds. In contrast, the title compound displays several unusual photophysical properties in aqueous solution. These include a strongly red-shifted emission (lambda(em) = 685 nm) having a short, pH-dependent lifetime which is quenched by an excited-state proton transfer from solvent. The completely deprotonated form of the molecule is the dominant emissive species. Surprisingly, under neutral conditions the excited-state lifetime increases with increasing temperature, from a value of tau = 54 ¡À 1 ns (lambda(em) = 686 nm, Phi(em) = 0.0036) at 280 K to tau = 75 ¡À 1 ns (lambda(em) = 675 nm, Phi(em) = 0.0053) at 360 K. The data are fit to the Arrhenius expression to give E(a) = -270 ¡À 15 cm-1 in H2O and E(a) = -178 ¡À 10 cm-1 in D2O. Thermochromic emission data and temperature-induced energy-gap law behavior indicate that the unique photophysical properties of this compound are due to specific interactions involving protic solvent.

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

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, COA of Formula: C12H12Cl4Ru2

Synthesis and structural characterization of eta6-arene ruthenium complexes bearing pentadienyl and oxopentadienyl ligands

General methodology for the synthesis of cationic ruthenium(II) eta5-pentadienyl compounds stabilized by the (eta6- C6Me6)Ru fragment has been developed. Pentadienyl compounds [(eta6-C6Me6)Ru{eta5- CH2C-(R2)CHC(R4)CH(R5)}]BF 4 (R2 = R4 = R5 = H, 2-BF 4; R2, R4 = H, R5 = Me, 3; R 2, R4 = Me, R5 = H, 4) can be prepared in good yields from reactions of the labile dication [(eta6-C 6Me6)Ru(acetone)3](BF4)2 (1) with 1-trimethylsilyl-2,4-pentadiene, 1-trimethylsilyl-2,4-hexadiene, and 2,4-dimethyl-1-trimethylstannyl-2,4-pentadiene, respectively. Compound 3 is isolated in 90% yield as a mixture of the syn and anti isomers. In contrast, the reaction of pentadienyllithium with [(eta6-C6Me 6)RuCl2]2 provides a nonselective reaction, which affords a mixture of isomeric eta1- eta3-, and eta5-coordinated pentadienyl complexes, [(eta6-C 6Me6)Ru(eta5-CH2CHCHCHCH 2)]Cl (2-Cl), [(eta6-C6Me6) Ru(eta3-CH2CHCHCH=CH2)-Cl] (5), and [(eta6-C6Me6)Ru(eta1-CH 2CH=CHCH=CH2)Cl]2 (6); the reaction of 1,4-pentadiene and [(eta6-C6Me6)RuCl 2]2 in ethanolic carbonate similarly gives a mixture containing complex 5, [(eta6-C6Me6) Ru{eta3-C(Me)CHC(Me))Cl] (7), and [(eta6-C 6Me6)Ru(eta3-CH2CHCHCH 2Me)Cl] (8). Using a similar strategy for the synthesis of the corresponding oxopentadienyl derivatives is much more complicated, even when using an enol silane as the nucleophilic precursor, reflecting a greater competition among alternative bonding modes for the oxopentadienyl derivatives compared to the corresponding pentadienyl analogues. The reaction of lithium oxopentadienide and [(eta6-C6Me6)RuCl 2]2 in THF affords [(eta6-C 6Me6)Ru(eta3-exo-syn-CH2C(Me) CHC(Me)O)Cl] (11) in poor yield, although this complex readily affords [(eta-C6Me6)-Ru(eta5-CH2C(Me) CHC(Me)O)]BF4 (9) upon reaction with silver tetrafluoroborate. The analogous eta6-benzene complex, [(eta6-C 6H6)Ru(eta3-exo-syn-CH2C(Me) CHC(Me)O)Cl] (13), can be prepared, albeit in very low yield, in an analogous manner to that reported for complex 11, along with traces of an isomeric congener, 13-endo. The use of 1-trimethylsilyloxy-1,3-butadiene unexpectedly provided strongly contrasting results upon addition to dicationic complex 1, returning a mixture of eta5- and eta3-oxopentadienyl complexes [(eta6-C6Me6)Ru(eta5- CH2CHCHCHO)]BF4 (14) and [(eta6-C 6Me6)Ru(1-3,5-eta-exo-syn-CH2CHCHCHO)] 2-(BF4)2 (15). Addition of water to the dimeric product 15 affords the monomelic aquo adduct [(eta6-C 6-Me6)Ru(eta3-exo-syn-CH2CHCHCHO) (H2O)]BF4 (16), but this complex is unstable toward isolation, reverting back to dimer 15 upon precipitation. A more stable adduct, [(eta6-C6Me6)Ru(eta3-exo-syn- CH2-CHCHCHO)(MeCN)]BF4 (17), is isolated upon dissolution in acetonitrile, and addition of aqueous NaCl to 15 gives compound [(eta6-C6Me6)Ru(eta3-exo-syn- CH2CHCHCHO)Cl] (20). Compound 14 affords the decarbonylation product [(eta6-C6Me6)Ru(eta3-allyl)(CO)] BF4 (19) as a mixture of exo and endo allyl isomers. The solid-state structures for compounds 2-BF4, 4, 9, 11, 13, 15, and 19-exo, as determined by X-ray crystallography, are also reported.

The reactant in an enzyme-catalyzed reaction is called a substrate. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction.I hope my blog about 37366-09-9 is helpful to your research., COA of Formula: C12H12Cl4Ru2

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

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. 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a Review£¬once mentioned of 37366-09-9, COA of Formula: C12H12Cl4Ru2

Synthesis, properties, and biosensor applications of cycloruthenated 2-phenylimidazoles

The cycloruthenation of 2-phenylimidazole (phim) by [Ru(eta6-C6H6)(mu-Cl)Cl]2 in acetonitrile in the presence of NaOH has been carried out. The unstable intermediate [Ru(phim)(MeCN)4]PF6 formed has been converted into the complexes [Ru(phim)(4,4?-Me2bpy) (MeCN)2]PF6 (2) and [Ru(phim)(LL)2]PF6 (3, LL=phen (a), bpy, 4,4?-Me2bpy), which were characterized by the mass-spectrometry, 1H-NMR spectroscopy, UV-vis spectrophotometry, and cyclic voltammetry. The RuII/III redox potentials of complexes 3 equal 130-250 mV (vs. Ag- AgCl) at pH 7 (0.01 M phosphate). Such potential range is favorable for fast exchange of electrons with the active sites of redox enzymes. In fact, the second-order rate constant for the oxidation of reduced glucose oxidase (GO) from Aspergillus niger by the electrochemically generated RuIII derivative of complex 3a equals (8.1 ¡Á 106M-1 s-1). The second-order rate constant for the oxidation of 3a by the Compound II of horseradish peroxidase is 9.3 ¡Á 107 M-1 s-1. Complexes 3 were used as mediators for the fabrication of enzyme electrodes by simple co-adsorbing with GO or horseradish peroxidase on graphite electrodes. These electrodes were tested in flow-injection systems and showed linear responses in the range of D-glucose and H2O2 concentrations 0.1-30 mM and 1-200 muM, respectively. The new mediators reported herein seem promising for the construction of amperometric biosensors based on GO, horseradish peroxidase, and similar enzymes.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.COA of Formula: C12H12Cl4Ru2, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 37366-09-9, in my other articles.

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

Synthetic Route of 15746-57-3, An article , which mentions 15746-57-3, molecular formula is C20H16Cl2N4Ru. The compound – Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II) played an important role in people’s production and life.

Synthesis and spectroscopic studies of transition-metal fullerene supramolecular systems

A new ligand has been designed that provides a relatively simple framework to build supramolecular systems containing both fullerene and transition metal moieties. The modular framework of the ligand allows for the easy design of more complex systems. Analysis of absorption and emission spectra suggests significant photoinduced charge transfer between the two moieties. More complex systems and the excited-state photophysics of the presented systems are being studied.

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