Tag: M.W:400-500

Reference 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.

An electrochemical luminescent probe ruthenium – CBT and its preparation method and application (by machine translation)

The invention discloses an electrochemical luminescent probe ruthenium – CBT and its preparation method and application, relates to the field of biological detection technique. The method is introduced on the CABT active amino, get active amino – CBT, used for modification to the terpyridyl in ruthenium; through amino, carboxyl dehydration condensation role will be active amino – CBT Ru (bpy) modified to3 2 + The upper, electrochemical light-emitting probe by the Ru (bpy)3 2 + – CBT. The method of this invention is more simple and rapid, and the versatility is good, for the detection of different target protease, by replacing the corresponding polypeptide substrate sequence, can realize the detection of different protease, wide application range, proteinase detection specificity is good, high sensitivity. Probe design is simple, the operation step is short, easy in scientific research and clinical diagnosis field popularization and application; detection strategy is simple, without special material modification and processing requirements. (by machine translation)

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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 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer,molecular formula is C12H12Cl4Ru2, is a conventional compound. this article was the specific content is as follows.Recommanded Product: Dichloro(benzene)ruthenium(II) dimer

Structural elucidation and antibacterial studies on half-sandwich ruthenium(II) complexes incorporating arene, phosphine, arsine and thioamide ligands

The half-sandwich arene complexes of ruthenium(II) incorporating arsine, phosphine and thioamide ligands with formula [Ru(eta6-arene)(ER3)(AEtT)]+BPh4-eta6-arene = C6H6 or p-cymene; E = P/As; R = C6H5/C6H5CH2; AEtT = 4-amino-3-ethyl-5-mercapto-1,2,4-triazole bidentate mononegative anion) are prepared and investigated. The reaction products have been characterized by elemental analyses, conductometric, magnetic, IR, UV-visible and 1H NMR spectra. Antibacterial activities of ligand and complexes are tested against E. coli, B. subtilus and S. aureus. The data revealed that all the complexes are more active than free thioamide ligand.

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

Reference 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

Organo-ruthenium supported heteropolytungstates: synthesis, structure, electrochemistry, and oxidation catalysis

The reaction of [Ru(arene)Cl2]2 (arene = benzene, p-cymene) with [X2W22O74(OH)2] 12- (X = SbIII, BiIII) In buffer medium resulted In four organo-ruthenium supported heteropolytungstates, [Sb 2W20O70(RuC6H6) 2]10 (1), [Bi2W20O 70(RuC6H6)2]10- (2), [Sb2W20O7o(RuC10H14) 2]10- (3), and [Bi2W20O 70(RuC10H14)2]10- (4), which have been characterized in solution by multinuclear (183W, 13C, 1H) NMR, UV-vis spectroscopy, electrochemistry, and in the solid state by single-crystal X-ray diffraction, IR spectroscopy, thermogravimetric analysis, and elemental analysis. Polyanions 1, 2, and 4 crystallize in the triclinic system, space group P1 with the following unit cell parameters: K5Na5[Sb2W20O 7o(RuC6H6)2]¡¤22H 2O (KNa-1), a= 12.1625(2)A, b = 13.1677(2) A, C= 16.0141(3)A alpha = 78.9201 (7), beta = 74.4442(8), gamma = 78.9019(8), and Z= 1 ; Cs2Na8[Bi2W 20O7o(RuC6H6)2] ¡¤ 30H2O (CsNa-2), a = 11.6353(7) A b = 13.3638(7) A, C= 16.7067(8) A, a = 79.568(2), beta = 71.103(2), gamma = 80.331(2), and Z= 1; Na10[Bi2W20O 70(RuC10H14)2]-35H20 (Na-4), a = 15.7376(12) A b = 15.9806(13) A, c = 24.2909(19) A, alpha = 92.109(4), beta = 101.354(4), gamma = 97.365(3), and Z= 2. Polyanions 1-4 consist of two (L)Ru2+ (L = benzene or p-cymene) units linked to a [X2W20O70]14 (X=Sb III BiIII fragment via Ru-O(W) bonds resulting in an assembly with idealized C2h symmetry. Polyanions 1-4 are stable in solution as indicated by the expected 183W, 13C, and 1H NMR spectra. The electrochemistry of 1-4 is described by considering the reduction and the oxidation processes. The nature of the arene In Ru(arene) has practically no influence on the formal potentials of the W-centers, which are more sensitive to the Sb or Bi hetera atoms. The results suggest that the respective Sb- and Bi derivatives have very different pK a values, with the reduced form of 1 being the most basic, thus permitting the observation of two well-developed voltammetric waves at pH 6. In contrast, the identity of the arene influences the oxidation processes, thus permitting to distinguish them. A strong electrocatalytic water oxidation peak is observed that is more positive than the one corresponding to the Ru(arene) oxidation process. Also a stepwise oxidation of the Ru(benzene) group could be observed at pH 3. The catalytic efficiency, on the other hand, of 1-4 toward the oxidation of n-hexadecane and p-xylene illustrated the effect of ruthenium substitution on the polyanion catalytic performance.

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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, 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.

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

Related Products of 37366-09-9, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 37366-09-9, C12H12Cl4Ru2. A document type is Article, introducing its new discovery.

Trifluoromethanesulfonate (triflate) as a moderately coordinating anion: Studies from chemistry of the cationic coordinatively unsaturated mono- and diruthenium amidinates

Triflate complexes of mono- and diruthenium amidinates, (eta6-C6R6)Ru(kappa1-OTf){eta2-R?N{double bond, long}C(R??)NR?} (1: R = Me; 2: R = H) and (eta5-C5Me5)Ru(mu-eta2-iPrN{double bond, long}C(Me)NiPr)Ru(kappa1-OTf)(eta5-C5R5) (3: R = Me; 4: R = H), are synthesized, and coordination behavior of the triflate anion to the coordinatively unsaturated ruthenium species is investigated by crystallography and variable temperature (VT) NMR spectroscopy (19F, 1H). The monoruthenium amidinate complexes have three-legged piano-stool structures in single crystals, which include a kappa1-OTf ligand with the Ru-O bond of 2.15-2.20 A?. In contrast, reversible dissociation of OTf is observed in variable temperature 1H NMR spectroscopy in liquid states; the activation energy for the dissociation and recombination of the OTf ligand is varied with the substituents on the arene and amidinate ligand in the corresponding ruthenium cation and the solvent used. A typical example of moderately coordinating ability of the OTf ligand is seen in 19F NMR spectra of (eta6-C6Me6)Ru(kappa1-OTf){eta2-iPrN{double bond, long}C(Me)NiPr} (1a) and (eta6-C6H6)Ru(kappa1-OTf){eta2-iPrN{double bond, long}C(Me)NiPr} (2a) in CD2Cl2 at the temperature range from -90 to 20 C, in which the OTf anion is dissociated in 1a, whereas 2a has a relatively robust Ru-OTf bond. Combination of crystallography and VT NMR contributes to understanding the difference in coordination behavior of the OTf ligand between two diruthenium amidinates, (eta5-C5Me5)Ru(mu-eta2-iPrN{double bond, long}C(Me)NiPr)Ru(kappa1-OTf)(eta5-C5Me5) (3) and (eta5-C5Me5)Ru(mu-eta2-iPrN{double bond, long}C(Me)NiPr)Ru(kappa1-OTf)(eta5-C5H5) (4); the results suggest that the electron-donating and sterically demanding eta5-C5Me5 helps for dissociation of the triflate ligand. Moderate coordinating ability of the triflate anion sometimes provides characteristic reactions of mono- and diruthenium amidinates which differ from the corresponding neutral halogeno-compounds or cationic coordinatively unsaturated homologues bearing fluorinated tetraarylborates; a typical example is given by inhibition of coordination of ethylene to the [(eta6-C6H6)Ru{eta2-tBuN{double bond, long}C(Ph)NtBu}]+ species by the OTf ligand.

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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.

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

37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2, belongs to ruthenium-catalysts compound, is a common compound. In a patnet, once mentioned the new application about 37366-09-9, Formula: C12H12Cl4Ru2

Ruthenium Complexes of 2,2?-Bipyridine-6,6?-diphosphonate Ligands for Water Oxidation

Two novel ruthenium complexes, [Ru(2,2?-bipyridine-6,6?-diphosphonato)(pic)2] (2) (pic=4-picoline) and [Ru(6,6?-diisopropyl-2,2?-bipyridine-6,6?-diphosphonato)(pic)2] (3) bearing phosphonate groups have been synthesized and characterized by NMR spectroscopy, elemental analyses, X-ray crystallography, cyclic voltammetry, and UV/Vis spectroscopy. Both complexes show catalytic water oxidation activity by electrochemistry. At pH 7, the RuII/III redox couple of 2 is observed at a lower potential than that of 3, yet significantly, 3 oxidizes water at a lower onset potential. At pH 1 however, 2 and 3 have comparable catalytic reactivity using sacrificial oxidant CeIV. We propose that water oxidation activities of 2 and 3 are influenced by overall charges. For example, in oxidizing from RuII to RuIII at pH 7, 2 acquires a ?1 overall charge whereas 3 acquires a +1 charge. Charge-dictated electrostatic effects may govern binding of a water molecule to the metal site.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Formula: C12H12Cl4Ru2. 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

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

In an article, published in an article, once mentioned the application of 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer,molecular formula is C12H12Cl4Ru2, is a conventional compound. this article was the specific content is as follows.name: Dichloro(benzene)ruthenium(II) dimer

A simple method of regenerating areneruthenium dichloride dimers, 2, from their monomeric adducts with amines or tertiary phosphines, RuCl2(eta6-arene)L

The monomeric amine or tertiary phosphine complexes RuCl2(eta6-arene)L (arene=benzene, p-cymen) can be reconverted into their dimeric precursors 2 by heating with 1,5-cyclooctadiene (COD), 2-propanol, and anhydrous Na2CO3 and subsequent treatment of the resulting ruthenium(0) complexes Ru(eta6-arene)(eta4-COD) with HCl; the ligand L can be recovered.

Do you like my blog? If you like, you can also browse other articles about this kind. name: Dichloro(benzene)ruthenium(II) dimer. Thanks for taking the time to read the blog about 37366-09-9

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

Application of 37366-09-9, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a patent, introducing its new discovery.

Half-sandwich Ru(eta6-C6H6) complexes with chiral aroylthioureas for enhanced asymmetric transfer hydrogenation of ketones-experimental and theoretical studies

The reactions of [RuCl2(eta6-C6H6)]2 with chiral aroylthiourea ligands yielded pseudo-octahedral half-sandwich “piano-stool” complexes. All the Ru(ii) complexes were characterized by analytical and spectral (UV-visible, FT-IR, 1H NMR and 13C NMR) studies. The molecular structures of the ligands (L2 and L4) and the complexes (2, 4 and 5) were confirmed by single crystal XRD. All the complexes were successfully screened as catalysts for the asymmetric transfer hydrogenation (ATH) of ketones using 2-propanol as the hydrogen source in the presence of KOH. The ATH reactions proceeded with excellent yields (up to 99%) and very good enantioselectivity (up to 99% ee). The scope of the present catalytic system was extended to substituted aromatic ketones and few hetero-aromatic ketones. Density functional theory (DFT) calculations predicted non-classical, concerted transition states for the ATH reactions. The catalytic activity of Ru-benzene complexes toward asymmetric reduction of ketones was significantly higher compared to that of p-cymene complex analogues. Such enhanced efficiency and product selectivity of Ru-benzene complexes compared to those of Ru-p-cymene complexes were rationalized by the computational study.

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