Category: 15746-57-3

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, Recommanded Product: Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II)

The functionalized ruthenium(II)polypyridine complexes for the highly selective sensing of mercury ions

A series of new ruthenium(II)polypyridine complexes appending with thioether groups were designed, synthesized and characterized. The sensing ability of the complexes toward mercury ions were studied by electronic absorption and emission spectra, and the reaction of the complexes with mercury ions were also confirmed by ESI mass spectroscopy and 1HNMR spectroscopy. The thioether groups would react with mercury ion fast to form aldehyde group leading to the significant change in the spectra. The color of the complex changed from yellow to orange after addition of mercury ions, and the color of the emission changed from red orange to dark red with a large red shift (~80 nm). Importantly, these kinds of ruthenium(II)complexes show a unique recognition of mercury ions over other metal ions. The complexes with more thioether groups also showed a better sensitivity toward mercury ions, this is good strategy for the further design of the new phosphorescent probes for sensing of mercury ions.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Recommanded Product: 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

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. 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Patent£¬once mentioned of 15746-57-3, name: Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II)

Organosilane compound and organosilica obtained therefrom

Provided is an organosilane compound expressed by any one of the following general formulae (1) to (7): (wherein: Ar represents a phenylene group or the like; R1 represents a hydrogen atom or the like; R2 to R8 each represent a methyl group or the like; n represents an integer in a range from 0 to 2; m represents an integer of 1 or 2; L represents a single bond or the like; X represents a hydrogen atom or the like; and Y represents a hydrogen atom or the like).

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.name: Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 15746-57-3, in my other articles.

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. 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3, Formula: C20H16Cl2N4Ru

Binding of 9-Methylguanine to [cis-Ru(2,2?-bpy)2] 2+: First X-ray Structure of a cis-Bis Purine Complex of Ruthenium

Reaction of [cis-Ru(2,2?-bpy)2(O3SCF 3)2] (1) with 9-methylguanine (9-MeG) affords the cis-[Ru(2,2?-bpy)2(9-MeG)2]2+ complex (2) in good yield. Two bases bind to the metal center via the N7 atoms. X-ray structure analysis of 2(SO3CF3)2 (monoclinic, P21/n, a = 12.5159(6) A, b = 20.0904(13) A, c = 17.1202(9) A, beta = 98.981(6), V= 4252.1(4) A3, Z = 4) reveals that the two bases are in a head-to-tail (HT) orientation with base-base dihedral angle of 60.4. NMR studies confirm that the complex is stable in water for hours, and no evidence for guanine substitution by solvent molecules was found.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.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

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Efficient catalytic synthesis of tertiary and secondary amines from alcohols and urea

Urea as a nitrogen source: The supported ruthenium hydroxide, Ru(OH) x/ZTiO2, acts as an efficient heterogeneous catalyst for the title reaction. The retrieved catalyst after the reaction could be reused without a significant loss of its catalytic performance.

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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.15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3, HPLC of Formula: C20H16Cl2N4Ru

Synthesis and characterization of new D-pi-D type Schiff base ligands and its complexes with Cobalt(II), Ruthenium(II)

A Schiff base ligands, N-no)phenyl]prop-2-en-1-ylidene}-1,10-phenanthrolin- 5-amine(mpa) and (1E,2E)-3-[4-(dimethylamino)phenyl]acrylaldehyde9H-fluoren-9- ylidenehydrazone(mfh), have been synthesized from the reaction of 4,5-diazafluorenone-9-hydrazone and 5-amino-1,10-phenanthroline with 4-(dimethylamino)cinnamaldehyde. The Co(II) and Ru(II) complexes of the ligands were prepared and characterized. The metal-to-ligand ratio of the Co(II) complex was found to be 2: 1 and that of the Ru(II) complex was found to be 1: 1. The ligands and complexes have been characterized by FTIR, UV-visible, 1H NMR and fluorescence spectra, as well as, elemental analyses, TGA-DSC-DTG and mass spectra.

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.HPLC of Formula: C20H16Cl2N4Ru, you can also check out more blogs about15746-57-3

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

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Comparison of inverse and regular 2-Pyridyl-1,2,3-triazole “click” Complexes: Structures, Stability, Electrochemical, and Photophysical Properties

Two inverse 2-pyridyl-1,2,3-triazole “click” ligands, 2-(4-phenyl-1H-1,2,3-triazol-1-yl)pyridine and 2-(4-benzyl-1H-1,2,3-triazol-1-yl)pyridine, and their palladium(II), platinum(II), rhenium(I), and ruthenium(II) complexes have been synthesized in good to excellent yields. The properties of these inverse “click” complexes have been compared to the isomeric regular compounds using a variety of techniques. X-ray crystallographic analysis shows that the regular and inverse complexes are structurally very similar. However, the chemical and physical properties of the isomers are quite different. Ligand exchange studies and density functional theory (DFT) calculations indicate that metal complexes of the regular 2-(1-R-1H-1,2,3-triazol-4-yl)pyridine (R = phenyl, benzyl) ligands are more stable than those formed with the inverse 2-(4-R-1H-1,2,3-triazol-1-yl)pyridine (R = phenyl, benzyl) “click” chelators. Additionally, the bis-2,2?-bipyridine (bpy) ruthenium(II) complexes of the “click” chelators have been shown to have short excited state lifetimes, which in the inverse triazole case, resulted in ejection of the 2-pyridyl-1,2,3-triazole ligand from the complex. Under identical conditions, the isomeric regular 2-pyridyl-1,2,3-triazole ruthenium(II) bpy complexes are photochemically inert. The absorption spectra of the inverse rhenium(I) and platinum(II) complexes are red-shifted compared to the regular compounds. It is shown that conjugation between the substituent group R and triazolyl unit has a negligible effect on the photophysical properties of the complexes. The inverse rhenium(I) complexes have large Stokes shifts, long metal-to-ligand charge transfer (MLCT) excited state lifetimes, and respectable quantum yields which are relatively solvent insensitive.

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

Application of 15746-57-3, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3

Synthesis of panchromatic Ru(II) thienyl-dipyrrin complexes and evaluation of their light-harvesting capacity

Ru(II) complexes with 5-(3-thienyl)-4,6-dipyrrin (3-TDP), containing 2,2?-bipyridine (bpy) or 4,4?-bis(methoxycarbonyl)-2,2?- bipyridine (dcmb) as coligands, have been prepared and extensively characterized. Crystal structure determination of [Ru(bpy)2(3-TDP)] PF6 (1a) and [Ru(bpy)(3-TDP)2] (2) reveals that the 3-thienyl substituent is rotated with respect to the plane of the dipyrrinato moiety. These complexes, as well as [Ru(dcmb)2(3-TDP)]PF6 (1b), act as panchromatic light absorbers in the visible range, with two strong absorption bands observable in each case. A comparison to known Ru(II) complexes and quantum-chemical calculations at the density functional theory (DFT) level indicate that the lower-energy band is due to metal-to-ligand charge transfer (MLCT) excitation, although the frontier occupied metal-based molecular orbitals (MOs) contain significant contributions from the 3-TDP moiety. The higher energy band is assigned to the pi-pi* transition of the 3-TDP ligand. Each complex exhibits an easily accessible one-electron oxidation. According to DFT calculations and spectroelectrochemical experiments, the first oxidation takes place at the RuII center in 1a, but is shifted to the 3-TDP ligand in 1b. An analysis of MO energy diagrams suggests that complex 1b has potential to be used for light harvesting in the dye-sensitized (Graetzel) solar cell.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 15746-57-3 is helpful to your research., Application of 15746-57-3

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

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A Dual Killing Strategy: Photocatalytic Generation of Singlet Oxygen with Concomitant PtIV Prodrug Activation

A ruthenium-based mitochondrial-targeting photosensitiser that undergoes efficient cell uptake, enables the rapid catalytic conversion of PtIV prodrugs into their active PtII counterparts, and drives the generation of singlet oxygen was designed. This dual mode of action drives two orthogonal cancer-cell killing mechanisms with temporal and spatial control. The designed photosensitiser was shown to elicit cell death of a panel of cancer cell lines including those showing oxaliplatin-resistance.

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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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A RuII Polypyridyl Alkyne Complex Based Metal?Organic Frameworks for Combined Photodynamic/Photothermal/Chemotherapy

Despite drug delivery nanoplatforms receiving extensive attention, development of a simple, effective, and multifunctional theranostics nanoplatform still remains a challenge. Herein, a versatile nanoplatform based on a zirconium framework (UiO-66-N3) was synthesized, which demonstrated a combined photodynamic therapy (PDT), photothermal therapy (PTT), and chemotherapy (CT) for cancer treatment. A RuII polypyridyl alkyne complex (Ra) as a photosensitizer was modified into a nanoplatform by click reactions for the first time. When exposed to suitable light irradiation, the as-prepared multifunctional nanoplatform (UiO-Ra-DOX-CuS) not only demonstrated efficient 1O2 generation, but also exhibited excellent photothermal conversion ability. In particular, the nanotherapeutic agent presented a dual-stimuli response; either acidic environment or NIR laser irradiation would trigger the drug release. The synergetic efficacy of UiO-Ra-DOX-CuS combined PDT, PTT, and CT, which was evaluated by cell experiments. Moreover, the design could promote the development of RuII polypyridyl alkyne complexes based multifunctional nanoparticles and multimodal cancer treatment.

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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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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.

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

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