Discovery of 37366-09-9

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Electric Literature 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.

Catalytic isomerization of allylic alcohols promoted by complexes [RuCl2(eta6-arene)(PTA-Me)] under homogeneous conditions and supported on Montmorillonite K-10

The mononuclear arene-ruthenium(II) derivatives [RuCl2(eta 6-arene)(PTA-Me)] (arene = C6H6 (3a), p-cymene (3b), 1,3,5-C6H3Me3 (3c), C6Me 6 (3d)), containing the ionic phosphine ligand 1-methyl-3,5-diaza-1- azonia-7-phosphaadamantane chloride (PTA-Me), have been synthesized and fully characterized. These complexes were evaluated as potential catalysts for the redox isomerization of allylic alcohols. Among them, best results in terms of activity were obtained with complex [RuCl2(eta6-C 6H6)(PTA-Me)] (3a) which, in combination with K 2CO3 (2.5 equiv. per Ru), was able to selectively isomerize a number of allylic alcohols RCH(OH)CHCH2 (R = H, aryl, alkyl or heteroaryl group) into the corresponding carbonyl compounds RC(O)CH2CH3 in refluxing THF (TOF values up to 800 h -1). Complex [RuCl2(eta6-C6H 6)(PTA-Me)] (3a) was adsorbed onto the Montmorillonite K-10 clay, and the resulting solid proved also active in the isomerization of the model substrate 1-octen-3-ol. In addition, it could be easily separated from the reaction media by simple filtration and reused several times (up to 11 consecutive runs) with retention of its efficiency.

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

Brief introduction of 301224-40-8

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In an article, published in an article, once mentioned the application of 301224-40-8, Name is (1,3-Dimesitylimidazolidin-2-ylidene)(2-isopropoxybenzylidene)ruthenium(VI) chloride,molecular formula is C31H38Cl2N2ORu, is a conventional compound. this article was the specific content is as follows.Recommanded Product: 301224-40-8

FUNCTIONALIZED LINEAR AND CYCLIC POLYOLEFINS

This invention relates to methods and compositions for preparing linear and cyclic polyolefins. More particularly, the invention relates to methods and compositions for preparing functionalized linear and cyclic polyolefins via olefin metathesis reactions. Polymer products produced via the olefin metathesis reactions of the invention may be utilized for a wide range of materials applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.

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

Discovery of 246047-72-3

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Electric Literature of 246047-72-3, An article , which mentions 246047-72-3, molecular formula is C46H65Cl2N2PRu. The compound – (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium played an important role in people’s production and life.

A practical synthesis of chiral tricyclic cyclopenta[: B] benzofuran, a key intermediate of Beraprost

A novel formal synthesis of Beraprost (1) is described. The tricyclic cyclopent[b]benzofuran core is efficiently prepared from (-)-Corey lactone diol in 12 steps with an overall yield of 37.4%. Key features of the strategy include a ring-closing metathesis reaction and aromatization to form the tricyclic cyclopenta[b]benzofuran framework, and selective halogenation/formylation to install the butyrate side-chain.

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

New explortion of 32993-05-8

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In an article, published in an article, once mentioned the application of 32993-05-8, Name is Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II),molecular formula is C41H35ClP2Ru, is a conventional compound. this article was the specific content is as follows.Safety of Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II)

Trichlorostannyl complexes of Ruthenium(II): Synthesis, structure, reactivity and computational studies

Trichlorostannyl complexes [Ru(SnCl3) (Cp?)L] (2a-c) were prepared by treatment of optically active half-sandwich chlorocomplexes [RuCl(Cp?)L] (1a-c) with an excess of SnCl2.2H2O in ethanol. Treatment of trichlorostannyl complexes 2a-c with NaBH4 afforded trihydridostannyl derivatives [Ru(SnH3) (Cp?)L] (3a-c) in moderated yields. Treatment of 2a-c with MgBrMe gave the trimethylstannyl complexes Ru(SnMe3) (Cp?)L (4a-c). Alkynylstannyl derivatives [Ru{Sn(C?CPh)3}(Cp?)L] (5a-c) were prepared by treatment of trichlorostannyl compounds 2a-c with an excess of LiC?CPh in thf. All the complexes present optical activity. The complexes were characterized spectroscopically and by X-ray crystal structure determination of [RuCl(eta5-C5Me5)L] (1b), [Ru(SnCl3) (eta5-C5Me5)L] (2b), and [Ru(SnCl3) (eta5-C9H7)L] (2c). The influence of different ligands on the Ru?P interaction in several complexes 1a-c, 2a-c and 3a-c was evaluated by DFT calculations. These calculations indicate that [SnCl3]- has a stronger stabilization effect than [Cl]- and the same occurs between ?C9H7 and ?C5Me5. These relative stabilities combined with the distortion energies of the fragments produce a stabilizing effect in the Ru?P bonds of complex 2c that is twice as strong as in the 1b complex.

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

A new application about 20759-14-2

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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. 20759-14-2, Cl3H2ORu. A document type is Article, introducing its new discovery., category: ruthenium-catalysts

Synthesis of an ionic paramagnetic ruthenium(III) complex and its application as an efficient and recyclable catalyst for the transfer hydrogenation of ketones

A novel ionic complex, bis[1-butyl-2-(diphenylphosphanyl)-3- methylimidazolium]tetrachloridoruthenium(III) hexafluorophosphate (2), has been synthesized and fully characterized. The single-crystal X-ray diffraction analysis showed that 2 is composed of an Ru complex cation and PF 6- anion. The cation has a highly symmetrical Ru-centered octahedron geometry with four Cl atoms in the equatorial plane and two imidazolium-substituted phosphane ligands in the axial positions. It exhibits paramagnetism due to the presence of one unpaired electron in the phosphane-ligated low-spin RuIII complex. Complex 2 exhibited good catalytic performance in the transfer hydrogenation of a wide range of ketones by using alcohols as hydrogen donors. Owing to its high polarity, good thermal stability, and insensitivity to moisture and oxygen, complex 2 could be used in six catalytic cycles in the transfer hydrogenation of acetophenone without any obvious loss of activity. A novel ionic complex 2 containing an RuIII cation and PF6- anion has been synthesized. The Ru III cation possesses ideal octahedral geometry and exhibits paramagnetism due to the presence of one unpaired electron in the phosphane-ligated low-spin RuIII complex. Complex 2 proves to be an efficient and recyclable catalyst for the transfer hydrogenation of ketones with alcohols as hydrogen donors. Copyright

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

Some scientific research about 10049-08-8

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Related Products of 10049-08-8. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 10049-08-8, Name is Ruthenium(III) chloride

Titania-supported iridium subnanoclusters as an efficient heterogeneous catalyst for direct synthesis of quinolines from nitroarenes and aliphatic alcohols

A versatile heterogeneous catalyst consisting of sub-nanosized iridium clusters deposited on titania (Ir/TiO2-NCs) promotes the direct tandem synthesis of quinoline derivatives from readily available nitroarenes and aliphatic alcohols under mild and additive-free conditions (see scheme). The process tolerates the presence of various reactive functional groups and is highly selective.

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

Top Picks: new discover of 246047-72-3

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 246047-72-3 is helpful to your research., SDS of cas: 246047-72-3

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.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, SDS of cas: 246047-72-3

sp Carbon chains surronded by sp3 carbon double helix: wire-like Pt(CC)nPt moieties that are spanned by two alpha,omega-diphosphines that bear heteroatoms or alkyl substituents

Reactions of trans-(C6F5)L2PtCl (2, L = Ph2P(CH2)4O(CH2)2CHCH2; 6, L = Ph2P(CH2)2C(CH3)2(CH2)3CHCH2) and H(CC)2H (HNEt2, cat. CuI) give trans-(C6F5)L2Pt(CC)2H (3, 7; 86-97%). Oxidative homocouplings (O2, cat. CuCl/TMEDA, acetone) yield trans,trans-(C6F5)L2Pt(CC)4PtL2(C6F5) (4, 8; 75-86%). Reactions with Grubbs catalyst, followed by hydrogenation, give mainlytrans,trans-(C6F5)(Ph2P(CH2)4O(CH2)6O(CH2)4PPh2)Pt(CC)4Pt(Ph2P(CH2)4O(CH2)6O(CH2)4PPh2)(C6F5) (5), with termini-spanning diphosphines, and trans,trans-(C6F5)(Ph2P(CH2)2C(CH3)2(CH2)8C(CH3)2(CH2)2PPh2)Pt(CC)4Pt(Ph2P(CH2)2C(CH3)2(CH2)8C(CH3)2(CH2)2PPh2)(C6F5) (9), with trans-spanning diphosphines, respectively. Reactions of trans,trans-(C6F5)(p-tol3P)2Pt(CC)4Pt(Pp-tol3)2(C6F5) with Ph2P(CH2)2C(CH3)2(CH2)8C(CH3)2(CH2)2PPh2 and p-tol2P(CH2)3(CF2)8(CH2)3Pp-tol2 give 10 (70%, the isomer of 9 with termini-spanning diphosphines, and the analogous adduct of the fluorinated diphosphine. However, the latter oligomerizes upon attempted workup. The crystal structure of 5 shows that the sp3 chains adopt a chiral double-helical conformation about the sp chain, with the endgroups defining a 164.1¡ã angle. Additional conformational properties of the preceding complexes are analyzed in detail, and dynamic properties are probed by low temperature NMR experiments.

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 246047-72-3 is helpful to your research., SDS of cas: 246047-72-3

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

Extracurricular laboratory:new discovery of 92361-49-4

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Application of 92361-49-4. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II)

Dimerisation and reactivity of HCCCCFc at ruthenium centres

In contrast to the simple diynyl complexes formed in reactions between HCCCCFc and MCl(dppe)Cp; (M = Fe, Ru), an analogous reaction with RuCl(PPh 3)2Cp; in the presence of KPF6 and dbu resulted in dimerisation of the diyne at the Ru centre to afford a mixture of [Ru{eta1,eta2-C(CCFc)C(L)CHCCCHFc}(PPh 3)Cp]PF6 (L = dbu 1, PPh3 2). Similar reactions with RuCl(PR3)2L gave [Ru{eta1, eta2-C(CCFc)C(dbu)CHCCCHFc}(PR3)L]PF6 (L = Cp, R = Ph 3, m-tol 4; L = eta5-C9H7, R = Ph 5). The reaction between 3 and I2, followed by crystallization of the paramagnetic product from MeOH, afforded the dicationic [Ru{C(CCFc)C(dbu) CHC(OMe)C(OMe)CHFc}(PPh3)Cp](I3)2 6. The molecular structures of 2¡¤2CH2Cl2 and 6.S (S = 2CH2Cl2, C6H6) were determined by single-crystal XRD studies.

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

Archives for Chemistry Experiments of 246047-72-3

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Related Products of 246047-72-3. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 246047-72-3, Name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium. In a document type is Article, introducing its new discovery.

A CuI-Based Metallo-Supramolecular Gel-Like Material Built from a Library of Oligomeric Ligands Featuring Exotopic 1,10-Phenanthroline Units

A 22-membered cyclic alkene C1 incorporating an exotopic 1,10-phenanthroline nucleus in the ring skeleton has been synthesized and subjected to ring-opening metathesis polymerization (ROMP) in dilute dichloromethane solution at varying monomer concentrations (cmon). The resultant libraries of macrocyclic oligomers were used as ligands for the generation of main-chain metal-ligand oligomeric/polymeric complexes taking advantage of the strong affinity of 1,10-phenanthroline derivatives for CuI. The formation of a gel-like material only upon addition of [Cu(CH3CN)4]PF6 to the most concentrated library (cmon = 60 mM) was explained as arising from the presence of significant amounts of trimeric and higher oligomeric macrocycles Ci (i ? 3), acting as cross-linking components. A gel-like material has been obtained by exo coordination of CuI to the phenanthroline moieties of a library of multitopic cyclic ligands.

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

Awesome and Easy Science Experiments about 10049-08-8

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Related Products of 10049-08-8, 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. 10049-08-8, Cl3Ru. A document type is Article, introducing its new discovery.

Simple replacement reaction for the preparation of ternary Fe 1-xPtRux nanocrystals with superior catalytic activity in methanol oxidation reaction

The finding of new metal alloyed nanocrystals (NCs) with high catalytic activity and low cost to replace PtRu NCs is a critical step toward the commercialization of fuel cells. In this work, a simple cation replacement reaction was utilized to synthesize a new type of ternary Fe 1-xPtRux NCs from binary FePt NCs. The detailed structural transformation from binary FePt NCs to ternary Fe1-xPtRux NCs was analyzed by X-ray absorption spectroscopy (XAS). Ternary Fe 35Pt40Ru25, Fe31Pt 40Ru29, and Fe17Pt40Ru43 NCs exhibit superior catalytic ability to withstand CO poisoning in methanol oxidation reaction (MOR) than do binary NCs (FePt and J-M PtRu). Also, the Fe31Pt40Ru29 NCs had the highest alloying extent and the lowest onset potential among the ternary NCs. Furthermore, the origin for the superior CO resistance of ternary Fe1-xPtRu x NCs was investigated by determining the adsorption energy of CO on the NCs surfaces and the charge transfer from Fe/Ru to Pt using a simulation based on density functional theory. The simulation results suggested that by introducing a new metal into binary PtRu/PtFe NCs, the anti-CO poisoning ability of ternary Fe1-xPtRux NCs was greatly enhanced because the bonding of CO-Pt on the NCs surface was weakened. Overall, our experimental and simulation results have indicated a simple route for the discovery of new metal alloyed catalysts with superior anti-CO poisoning ability and low usage of Pt and Ru for fuel cell applications.

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