Category: 92361-49-4

Synthetic Route of 92361-49-4, An article , which mentions 92361-49-4, molecular formula is C46H45ClP2Ru. The compound – Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II) played an important role in people’s production and life.

The 31P NMR spectra of CpRu(PR3)2Cl and Cp?Ru(PR3)2Cl complexes with PR3 = PMe3, PPhMe2, PPh2Me, PPh3, PEt3, PnBu3 have been measured; these data correlate with and can be used to predict Ru-P bond distances and enthalpies. Their 31P NMR coordination chemical shifts (delta(ppm) = deltacomplex – deltafree) show significant linear correlations with literature values of both the enthalpies of the ligand exchange reactions to form the Ru-P bonds and the average Ru-P bond distances from crystal structures. The strong correlation between Delta (ppm) and Ru-P distance can be extended to include the first-generation Grubbs metathesis catalyst (PCy3)2Cl2Ru=C(H)Ph and four of its derivatives, (PCy3)2Cl2Ru=C(H)(p-C6H4X) (X = OCH3, CH3, Cl, Br), the four related Fischer carbenes (PCy3)2Cl2Ru=C(H)ER (ER = OEt, SPh, N(carbazole), N(pyrrolidinone)), the second-generation Grubbs catalyst (PCy3)(IMes)Cl2Ru=C(H)Ph, and its derivative (PCy3)(IMes)Cl2Ru=C(H)OEt. Other significant correlations in the Cp?Ru(PR3)2Cl complexes are found between the enthalpies of reaction and Ru-P bond distances and between the cone angle and the Ru-P enthalpy, Ru-P bond distance, and Delta(ppm) values. The 31P NMR shifts for six phosphines correlate nearly linearly with their crystallographic cone angles, allowing prediction of cone angles from 31P NMR data.

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Reference：
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. 92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II), molecular formula is C46H45ClP2Ru. In a Article，once mentioned of 92361-49-4, Application In Synthesis of Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II)

Regioselective syntheses of 1,4,5-trisubstituted 1,2,3-triazoles were accomplished by three different strategies, relying on (i) the interception of stoichiometrically formed 5-cuprated-1,2,3-triazoles, (ii) the use of stoichiometrically functionalized alkynes or (iii) catalytic C-H bond functionalizations. This perspective article summarizes progress in this research area until June 2010.

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Reference：
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 92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II), Formula: C46H45ClP2Ru.

The diazoalkane complexes [Ru(eta5-C5Me5)(N2CAr1Ar2){P(OR)3}L]BPh4 (1-4) [R = Me, L = P(OMe)3 (1); R = Et, L = P(OEt)3 (2); R = Me, L = PPh3 (3); R = Et, L = PPh3 (4); Ar1 = Ar2 = Ph (a); Ar1 = Ph, Ar2 = p-tolyl (b); Ar1Ar2 = C12H8 (c); Ar1 = Ph, Ar2 = PhC(O) (d)] and [Ru(eta5-C5Me5){N2C(C12H8)}{PPh(OEt)2}(PPh3)]BPh4 (5c) were prepared by allowing chloro-compounds RuCl(eta5-C5Me5)[P(OR)3]L to react with the diazoalkane Ar1Ar2CN2 in the presence of NaBPh4. Treatment of complexes 1-4 with H2O afforded 1,2-diazene derivatives [Ru(eta5-C5Me5)(eta2-NH=NH){P(OR)3}L]BPh4 (6-9) and ketone Ar1Ar2CO. A reaction path involving nucleophilic attack by H2O on the coordinated diazoalkane is proposed and supported by density functional theory calculations. The complexes were characterized spectroscopically (IR and 1H, 31P, 13C, 15N NMR) and by X-ray crystal structure determination of [Ru(eta5-C5Me5)(N2CC12H8){P(OEt)3}2]BPh4 (2c) and [Ru(eta5-C5Me5)(eta2-NH=NH){P(OEt)3}2]BPh4 (7).

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Formula: C46H45ClP2Ru. In my other articles, you can also check out more blogs about 92361-49-4

Reference：
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.92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II), molecular formula is C46H45ClP2Ru. In a Article，once mentioned of 92361-49-4, Recommanded Product: Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II)

The mononuclear cationic complexes [(eta6-C6H6)RuCl(L)]+ (1), [(eta6-p-iPrC6H4Me)RuCl(L)]+ (2), [(eta5-C5H5)Ru(PPh3)(L)]+ (3), [(eta5-C5Me5)Ru(PPh3)(L)]+ (4), [(eta5-C5Me5)RhCl(L)]+ (5), [(eta5-C5Me5)IrCl(L)]+ (6) as well as the dinuclear dicationic complexes [{(eta6-C6H6)RuCl}2(L)]2+ (7), [{(eta6-p-iPrC6H4Me)RuCl}2(L)]2+ (8), [{(eta5-C5H5)Ru(PPh3)}2(L)]2+ (9), [{(eta5-C5Me5)Ru(PPh3)}2(L)]2+ (10), [{(eta5-C5Me5)RhCl}2(L)]2+ (11) and [{(eta5-C5Me5)IrCl}2(L)]2+ (12) have been synthesized from 4,4?-bis(2-pyridyl-4-thiazole) (L) and the corresponding complexes [(eta6-C6H6)Ru(mu-Cl)Cl]2, [(eta6-p-iPrC6H4Me)Ru(mu-Cl)Cl]2, [(eta5-C5H5)Ru(PPh3)2Cl)], [(eta5-C5Me5)Ru(PPh3)2Cl], [(eta5-C5Me5)Rh(mu-Cl)Cl]2 and [(eta5-C5Me5)Ir(mu-Cl)Cl]2, respectively. All complexes were isolated as hexafluorophosphate salts and characterized by IR, NMR, mass spectrometry and UV-vis spectroscopy. The X-ray crystal structure analyses of [3]PF6, [5]PF6, [8](PF6)2 and [12](PF6)2 reveal a typical piano-stool geometry around the metal centers with a five-membered metallo-cycle in which 4,4?-bis(2-pyridyl-4-thiazole) acts as a N,N?-chelating ligand.

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 92361-49-4 is helpful to your research., Recommanded Product: Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II)

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

Application of 92361-49-4, An article , which mentions 92361-49-4, molecular formula is C46H45ClP2Ru. The compound – Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II) played an important role in people’s production and life.

The dynamic behavior in solution of eight mono-hapto tetraphosphorus transition metal-complexes, trans-[Ru(dppm)2(H) (I·1-P4)]BF4 ([1]BF4), trans-[Ru(dppe)2(H)(I·1-P4)] BF4 ([2]BF4), [CpRu(PPh3) 2(I·1-P4)]PF6 ([3]PF6), [CpOs(PPh3)2(I· 1-P4)]PF6 ([4]PF6), [Cp*Ru(PPh3)2(I·1-P 4)]PF6 ([5]PF6), [Cp*Ru(dppe) (I·1-P4)]PF6 ([6]PF6), [Cp*Fe(dppe)(I·1-P4)]PF6 ([7]PF6), [(triphos)Re(CO)2(I·1- P4)]OTf ([8]OTf), and of three bimetallic Ru(mu, I·1:2-P4)Pt species [{Ru(dppm) 2(H)}(mu,I·1:2-P4){Pt(PPh 3)2}]BF4 ([1-Pt]BF4), [{Ru(dppe)2(H)}(mu,I·1:2-P 4){Pt(PPh3)2}]BF4 ([2-Pt]BF 4), [{CpRu(PPh3)2)}(mu,I· 1:2-P4){Pt(PPh3)2}]BF4 ([3-Pt]BF4), [dppm=bis(diphenylphosphanyl)methane; dppe=1,2-bis(diphenylphosphanyl)ethane; triphos=1,1,1- tris(diphenylphosphanylmethyl)ethane; Cp=I·5-C 5H5; Cp=I·5-C 5Me5] was studied by variable-temperature (VT) NMR and 31P{1H} exchange spectroscopy (EXSY). For most of the mononuclear species, NMR spectroscopy allowed to ascertain that the metal-coordinated P4 molecule experiences a dynamic process consisting, apart from the free rotation about the M-P4 axis, in a tumbling movement of the P4 cage while remaining chemically coordinated to the central metal. EXSY and VT 31P NMR experiments showed that also the binuclear complex cations [1-Pt]+-[3-Pt] + are subjected to molecular motions featured by the shift of each metal from one P to an adjacent one of the P4 moiety. The relative mobility of the metal fragments (Ru vs. Pt) was found to depend on the co-ligands of the binuclear complexes. For complexes [2]BF4 and [3]PF6, MAS, 31P NMR experiments revealed that the dynamic processes observed in solution (i.e., rotation and tumbling) may take place also in the solid state. The activation parameters for the dynamic processes of complexes 1+, 2+, 3+, 4+, 6 +, 8+ in solution, as well as the X-ray structures of 2+, 3+, 5+, 6+ are also reported. The data collected suggest that metal-coordinated P4 should not be considered as a static ligand in solution and in the solid state. A detailed solution and solid-state NMR dynamics study on mono- and bimetallic transition metal complexes, coordinating white phosphorus in I·1- P4 fashion, has revealed that this ligand is endowed of motions which depend on the nature of co-ligands and geometries around the metals. Activation parameters of the processes and X-ray crystal structures were also obtained (see figure). Copyright

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Reference：
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.92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II), molecular formula is C46H45ClP2Ru. In a Article，once mentioned of 92361-49-4, Formula: C46H45ClP2Ru

The synthesis of alkyne-substituted N-heterocyclic carbene complexes of Pd(ii) and Pt(ii) is reported. Catalyzed 1,3-dipolar cycloaddition with azides has been applied as a modular way of functionalisation of group 10 transition metal NHC complexes to generate potentially new metallodrugs.

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 92361-49-4 is helpful to your research., Formula: C46H45ClP2Ru

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

Synthetic Route of 92361-49-4, 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. 92361-49-4, C46H45ClP2Ru. A document type is Article, introducing its new discovery.

CpRu(PPh3)(PR3)Cl complexes, where PR 3 = PMe3, PPh3, or PTA (PTA = 1,3,5-triaza-7-phosphaadamantane), were used to catalyze the atom transfer radical addition of chlorinated esters (CCl3CO2Et, CH 2ClCO2Et) to styrene, and that of CCl4 to a variety of olefins. The monoadducts were obtained in moderate to excellent yields. Moreover, high selectivities were obtained for the addition of CCl 4 to internal olefins. The activity of CpRu(PTA)(PPh 3)Cl and CpRu(PTA)(PMe3)Cl were comparable to that of the highly efficient ATRA catalyst, CpRu(PPh 3)2Cl. The addition of CCl3CO2Et to styrene catalyzed by Cp?Ru(PPh3)(PR3)Cl (Cp? = Dp, Ind, Cp, Tp) are also reported here. Two new compounds, 3-chloro-3-phenyl-2-(trichloromethyl)-1-phenylpropan-1-one and 1,3,3,3-tetrachloro-1,2-diphenylpropane, resulting from the addition of CCl 4 to chalcone and cis-stilbene have been isolated and characterized by NMR spectroscopy and X-ray crystallography.

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

Electric Literature of 92361-49-4, 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.92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II), molecular formula is C46H45ClP2Ru. In a patent, introducing its new discovery.

An aldol-based build/couple/pair (B/C/P) strategy was applied to generate a collection of stereochemically and skeletally diverse small molecules. In the build phase, a series of asymmetric syn- and anti-aldol reactions were performed to produce four stereoisomers of a Boc-protected gamma-amino acid. In addition, both stereoisomers of O-PMB-protected alaninol were generated to provide a chiral amine coupling partner. In the couple step, eight stereoisomeric amides were synthesized by coupling the chiral acid and amine building blocks. The amides were subsequently reduced to generate the corresponding secondary amines. In the pair phase, three different reactions were employed to enable intramolecular ring-forming processes: nucleophilic aromatic substitution (SNAr), Huisgen [3+2] cycloaddition, and ring-closing metathesis (RCM). Despite some stereochemical dependencies, the ring-forming reactions were optimized to proceed with good to excellent yields, providing a variety of skeletons ranging in size from 8- to 14-membered rings. Scaffolds resulting from the RCM pairing reaction were diversified on the solid phase to yield a 14400-membered library of macrolactams. Screening of this library led to the discovery of a novel class of histone deacetylase inhibitors, which display mixed enzyme inhibition, and led to increased levels of acetylation in a primary mouse neuron culture. The development of stereo-structure/activity relationships was made possible by screening all 16 stereoisomers of the macrolactams produced through the aldol-based B/C/P strategy.

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

Electric Literature of 92361-49-4, 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.92361-49-4, Name is Chloro(pentamethylcyclopentadienyl)bis(triphenylphosphine)ruthenium(II), molecular formula is C46H45ClP2Ru. In a patent, introducing its new discovery.

Background: In spite of significant progress made toward the synthesis of triazole amino acids as structural scaffolds of peptides and leading structures of new drugs, a need still exists for effective methods of trisubstituted triazole amino acid synthesis. Methods: A protocol based on ruthenium(II)-catalyzed alkyne-azide cycloaddition (RuAAC) was developed to synthesize 5-bromo-1,4,5-trisubstituted 1,2,3-triazole-based amino acid ? tert-butyl 5-bromo-1-(2-(1,3-dioxo-2,3dihydro-1H-isoindol-2-yl)ethyl]-1H-1,2,3-triazole-4-carboxylate (5Br-TzlAA). Two other disubstituted regioisomers, 1,4- and 1,5-TzlAA, were also synthesized to evaluate the influence of the 5-bromo substituent for triazole ring bioactivity. Results: Under optimal conditions, 5Br-TzlAA was synthesized within 1 h with 93% yield. NMR confirmed the structure of 5Br-TzlAA and showed regioselectivity of the RuAAC reaction. None of the TzlAAs were cytotoxic for the human cell lines investigated and showed a small pro-proliferatory effect at the highest concentrations (50-100 mug/mL) studied. A small anti-proliferative effect was visible for 1,4-TzlAA. Conclusion: A simple and effective protocol for the synthesis of 5-bromo-1,4,5-trisubstituted TzlAA (5Br-TzlAA) was developed. Bioassay results show that N-phthalimido modifying the TzlAAs are well tolerated by human cells and may be used as leading or scaffold structures to design new biologically active molecules.

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

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exo-Cluster dicarbollides substitution has allowed tuning of the E (Ru(II)/Ru(III)) potential to obtain the best-performing Kharasch catalyst. We postulate that this is possible through the to-and-fro electron movement between the boron cluster and the sulfonium moieties. Copyright

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