Month: March 2021

Synthetic Route of 10049-08-8, 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.10049-08-8, Name is Ruthenium(III) chloride, molecular formula is Cl3Ru. In a patent, introducing its new discovery.

Synthesis, molecular, crystal and electronic structure of [RuCl 3(NO)(PPh3)(HPz)]

The reaction of [RuCl3(NO)(PPh3)2] complex with pyrazole has been examined. The new ruthenium complex – [RuCl 3(NO)(PPh3)(C3 H4N2)] has been obtained and characterised by IR and UV-Vis measurements. Crystal, molecular and electronic structures of the complexes have been determined. The electronic spectrum of the complex was calculated by 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

Reference of 246047-72-3. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 246047-72-3, Name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium

METHOD OF PRODUCING OLEFINS VIA METATHESIS

Disclosed is a method of producing an organic compound. The method uses a metathesis catalyst in a coupling reaction of an olefin. The method comprises the steps of introducing the olefin into a container; either placing the container under vacuum or bubbling a gas through the olefin; adding an additive with the olefin; mixing the olefin and the additive, the mixing creating a mixture; adding an amount of the metathesis catalyst to the mixture, the amount being less than about 100 ppm by weight of the mixture; and optionally heating the mixture to a temperature, the temperature being greater than room temperature.

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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.172222-30-9, Name is Benzylidenebis(tricyclohexylphosphine)dichlororuthenium, molecular formula is C43H72Cl2P2Ru. In a Patent£¬once mentioned of 172222-30-9, Product Details of 172222-30-9

Preparation of propene

A multistage process for preparing propene, in which the first stage is the reaction of 1-butene, 2-butene and isobutene to give propene, 2-pentene and 2-methyl-2-butene in the presence of a metathesis catalyst comprising at least one compound of a metal of transition group VIb, VIIb or VIII of the Periodic Table of the Elements; the second stage is separation of the propene and 2-pentene/2-methyl-2-butene formed; the third stage is reaction of the 2-pentene and 2-methyl-2-butene with ethehe to give propene, 1-butene and isobutene in the presence of a metathesis catalyst comprising at least one compound of a metal of transition group VIb, VIIb or VIII of the Periodic Table of the Elements; the fourth stage is separation of the propene and 1-butene/isobutene formed and returning the 1-butene and isobutene formed to the first stage.

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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. 32993-05-8, Name is Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II), molecular formula is C41H35ClP2Ru. In a Article£¬once mentioned of 32993-05-8, Recommanded Product: Chlorocyclopentadienylbis(triphenylphosphine)ruthenium(II)

Reactions of furylruthenium complexes with oxygen and trimethylsilyl azide

The reaction of the (alpha-alkoxyfuryl)ruthenium complexes 4 with oxygen opens the five-membered furyl ring to give the addition product [Ru]O 2CCR=CHCO2CH3, (5, [Ru] = Cp(PPh 3)2Ru). Further reactions of 5 with CH3I and with organic acid gave CH3O2CCR=CHCO2CH 3, (6), and HO2CCR=CHCO2CH3, (7), respectively. The reaction of 4 with TMSN3 [TMS = (CH 3)3Si] gives the ruthenium azide [Ru]-N3 and alpha-alkoxyfuran, which is readily hydrolyzed to lactone in acidic medium. Treatment of the cyclopropenylruthenium complex 11b containing a methyl crotonate group with TMSN3 affords the five-membered-ring triazole and [Ru]-CN. In this reaction cleavage of the C=C double bond of the three-membered ring could be caused by consecutive additions of TMSN3 to olefinic carbon atoms of intermediates formed during the reaction. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.

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

Synthetic Route of 37366-09-9, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 37366-09-9, Name is Dichloro(benzene)ruthenium(II) dimer, molecular formula is C12H12Cl4Ru2. In a Article£¬once mentioned of 37366-09-9

Polar cofacially fixed sandwich complexes: Do they demonstrate second harmonic generation (SHG)?

For the purpose of possible second harmonic generation (SHG) a cationic and a neutral sandwich unit were cofacially arranged in a three-step synthesis starting from 1,8-diiodonaphthalene. First, 1-cyclopentadienyl-8-iodonaphthalene (2) was formed, then the neutral ferrocenyl substituent was fixed in the 8-position by a Negishi cross-coupling reaction. The deprotonation of the cyclopentadienyl substituent, and the subsequent coordination of the half-sandwich fragments ML = [Fe(eta5-C5Me 5)]+, [Rh(eta5-C5Me 5)]2+, [Ir(eta5-C5Me 5)]2+, [Ru(eta6-C6H 6)]2+ to the cyclopentadienyl anion revealed the desired dinuclear complexes 1-[(eta5-cyclopentadienediyl)- (eta5-pentamethylcyclopentadienyl)iron(II)]-8- ferrocenylnaphthalene (5), 1-[(eta5-cyclopentadienediyl) (eta5-pentamethylcyclopentadienyl)rhodium(III)]-8- ferrocenylnaphthalene hexafluorophosphate (6PF6), 1-[(eta5-cyclopentadienediyl)(eta5- pentamethylcyclopentadienyl)iridium(III)]-8-ferrocenylnaphthalene hexafluorophosphate (7PF6), and 1-[(eta6-benzene) (eta5-cyclopentadienediyl)ruthenium(II)]-8-ferrocenylnaphthalene hexafluorophosphate (8PF6). The neutral complex 5 was oxidized to the paramagnetic cation 1-[(eta5-cyclopentadienediyl)- (eta5-pentamethylcyclopentadienyl)iron(III)]-8- ferrocenylnaphthalene hexafluorophosphate (5PF6). Compounds 3, 5PF6, 6PF6, and 7PF6 were characterized by X-ray structure determination; the neutral compound 3 crystallizes in the space group P21/c, whereas all of the cationic dinuclear complexes crystallize in the chiral space group C2221. A cyclic voltammetry study points to a predominant “through-space” interaction between the cationic sandwich unit and the neutral ferrocene substituent. The compounds 5PF6, 6PF6, 7PF6, and 8PF6 were subjected to hyper-Rayleigh scattering (HRS) and Kurtz-powder measurements. In both studies no SHG intensity could be observed. Wiley-VCH Verlag GmbH & Co. KGaA, 2006.

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 37366-09-9 is helpful to your research., Synthetic Route of 37366-09-9

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

Application 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.

Synthesis of substituted cycloalkene-1,1-dicarboxylates via olefin metathesis in water

A range of substituted cycloalkene-1,1-dicarboxylates was synthesized through olefin metathesis starting from readily available acylic malonate precursors in an efficient fashion. As a metathesis catalyst, a Grubbs II-type catalyst was used in these experiments, which were run in water and gave the cyclic malonate products with high conversions of 94-100%. The catalytic amount was in the range of 0.5-5 mol% dependent on the structure of the starting material. The generality of this metathesis reaction in water was demonstrated as well as its suitability for the preparation of five and six-membered and alkyl as well as aryl-substituted prochiral cycloalkene-1,1-dicarboxylates.

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Reference£º
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)

BINUCLEAR METAL COMPLEX, METAL COMPLEX DYE, PHOTOELECTRIC TRANSDUCER AND PHOTOCHEMICAL BATTERY

A novel binuclear metal complex according to the present invention is an asymmetric binuclear metal complex represented by the general formula: (L1)2M1(BL)M2(L2)2(X)n, wherein M1 and M2, which may be identical or different, represent a transition metal; L1 and L2, which are different, represent a chelate ligand capable of polydentate coordination and two L1s may be different and two L2s may be different; BL represents a bridge ligand having at least two heteroatom-containing cyclic structures, the heteroatoms contained in the cyclic structures being ligand atoms coordinating to M1 and M2; X represents a counter ion; and n is the number of counter ions needed to neutralize the charge of the complex. And the binuclear metal complex is useful as a metal complex dye.

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

Reference of 246047-72-3, 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. 246047-72-3, C46H65Cl2N2PRu. A document type is Article, introducing its new discovery.

Design, synthesis, and biological evaluation of platensimycin analogues with varying degrees of molecular complexity

The molecular design, chemical synthesis, and biological evaluation of two distinct series of platensimycin analogues with varying degrees of complexity are described. The first series of compounds probes the biological importance of the benzoic acid subunit of the molecule, while the second series explores the tetracyclic cage domain. The biological data obtained reveal that, while the substituted benzoic acid domain of platensimycin is a highly conserved structural motif within the active compounds with strict functional group requirements, the cage domain of the molecule can tolerate considerable structural modifications without losing biological action. These findings refine our present understanding of theplatensimycin pharmacophore and establish certain structure-activity re lationships from which the next generation of designed analogues of thisnew antibiotic may emerge.

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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, Recommanded Product: 37366-09-9

Ruthenium complexes of triazole-based scorpionate ligands transfer hydrogen to substrates under base-free conditions

The first ruthenium complexes of bulky tris(triazolyl)borate (Ttz) ligands were synthesized, fully characterized, and studied as transfer hydrogenation catalysts. The structures of the complexes were (eta6-arene)RuCl(N, N), where in each case N,N is a kappa2-Ttz or bis(triazolyl)borate (Btz) ligand (arene = p-cymene (1, 3, 5, 6), benzene (2), C6Me 6 (4); N,N = TtzPh,Me* (1, 2), TtzMe,Me (3, 4), Ttz (5), Btz (6)). All but 5 were crystallographically characterized, and notably for 1 and 2 a rearranged ligand structure is observed (as indicated by an asterisk). These complexes were all effective catalysts for transfer hydrogenation of aryl ketones in isopropyl alcohol with base co-catalyst, with rates that were accelerated by moisture-free conditions. Complexes 1 and 2 are also effective catalysts for base-free transfer hydrogenation, and with 1 hydrogenation of several base-sensitive substrates was demonstrated. The ability of 1 to serve as a hydrogenation catalyst without base is attributed primarily to steric bulk, and a preliminary mechanism for formation of that active catalyst is proposed.

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

10049-08-8, Name is Ruthenium(III) chloride, molecular formula is Cl3Ru, belongs to ruthenium-catalysts compound, is a common compound. In a patnet, once mentioned the new application about 10049-08-8, Application In Synthesis of Ruthenium(III) chloride

Liquid-phase oxidation of alcohols by oxygen and nitrous oxide catalysed by Ru-Co oxide

Chemoselective catalysts in bulk or supported on gamma-Al 2O3 binary oxides RuIV-CoIII (Ru/Co = 1:1-1:2), prepared by co-precipitation, were used for liquid-phase oxidation of saturated and unsaturated primary and secondary alcohols to aldehydes and ketones with O2 or N2O. The catalysts can be separated by filtration and reused. No leaching of Ru or Co in solution was observed. The oxidation is enhanced by the presence of hydration water in the Ru-Co catalyst, which indicates the participation of active RuIV hydroxo species in the reaction. From XRD and TGA, the Ru-Co oxide can be approximated as a hydrous binary oxide comprising the amorphous RuO2 and heterogenite-3R cobaltic acid CoO(OH). The alcohol oxidation appears to occur by a nonradical mechanism, which may be viewed as an oxidative dehydrogenation of alcohols to form an aldehyde or ketone. H2-TPR shows that CoIII practically does not affect the oxidising ability of RuO2. This suggests that the cobalt is likely to enhance catalyst reoxidation by O 2 rather than to play a significant role in the alcohol dehydrogenation. The alcohol oxidation by N2O exhibits a close similarity to the oxidation by O2 but is much less efficient. Much more active catalysts are required to make the oxidation with N2O synthetically useful.

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