Category: 12150-46-8

Related Products of 12150-46-8, 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. 12150-46-8, C34H28FeP2. A document type is Article, introducing its new discovery.

New silver(I) derivatives containing bidentate phosphine and anionic bis(triazol-1-yl)borate ligands have been prepared from the reaction of AgNO3 and dppm (bis(diphenylphosphino)methane), dppe (1,2-bis(diphenylphosphino)ethane), or dppf (1,1?-bis(diphenylphosphino) ferrocene) and potassium dihydrobis(1,2,4-triazolyl)borate, K[H 2B(tz)2]; their solid state and solution properties have been investigated through analytical and spectroscopic measurements (IR, 1H and 31P NMR). All the compounds are soluble in chlorinated solvents and are non-electrolytes in CH2Cl2 and acetone solutions. [{H2B(tz)2}Ag(dppf)] is simple mononuclear array, the silver atom lying in four-coordinate N 2AgP2 environment. In [{H2B(tz) 2}2Ag3(dppm)2(NO3)], the silver environment is still four-coordinate but PAgN3, utilizing the coordinating capability of one of the additional (‘exo’-) ring nitrogens not only to complete the four-coordinate array about the silver but, necessarily, to link successive asymmetric units into a single-stranded polymer. [{H 2B(tz)2}2Ag3(dppm) 2(NO3)] may be regarded as a hemi-adduct of [{H 2B(tz)2}Ag(dppm)] with silver(I) nitrate, thus [{H 2B(tz)2}Ag(dppm)]: AgNO3 (2:1).

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Application of 12150-46-8. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene. In a document type is Article, introducing its new discovery.

Thermal reaction of [Ru2(CO)6(mu-PFu2)(mu- eta1,eta2-Fu)] (Fu = 2-furyl) (1) with bis(diphenylphosphanyl)methane (dppm), bis(diphenylphosphanyl)amine (dppam), or bis(diphenylphosphanyl)methylamine (dppma), produces the substitution products [Ru2(CO)4(mu-PFu2)(mu-eta1, eta2-Fu)(mu-L)] [2 (L = dppm), 3 (L = dppam), 4 (L = dppma)] in good yields. The Ru-Ru edge is bridged by the diphosphane in each case, while the mu-eta1,eta2-bound furyl fragment remains intact. When the reactions were carried out using bis (diphenylphosphanyl) ethane (dppe) or bis(diphenylphosphanyl)propane (dppp), the compounds [Ru2(CO)5(mu-PFu2)(mu- eta1-C6H4PPh (CH2)nPPh2)] [5 (n = 2), 6 (n = 3)] were isolated as the thermodynamic products in which both P atoms chelate to one Ru centre to afford five-(for 5) and six-membered (for 6) ruthenacycles, accompanied by orthometallation of one of the phenyl rings of the phosphane ligand. Interestingly, elimination of the coordinated furyl moiety occurs during the formation of 5 and 6. Upon reaction with bis (diphenylphosphanyl) butane (dppb), bis(diphenylphosphanyl)pentane (dpppe), or bis(diphenylphosphanyl)ferrocene (dppf), cyclometallation is not favoured in each case. Instead, [{Ru2(CO)5(mu-PFu2) (mu-eta1,eta2-Fu)}2(L)] [7a (L = dppb), 8a (L = dpppe), 9a (L = dppf)] and polymeric [Ru2(CO)4(mu-PFu2) (mu-eta1,eta2-Fu)(L)]n [7b (L = dppb), 8b (L = dpppe), 9b (L = dppf)] were obtained with the product yield depending on the stoichiometry of the reactants. All these new diruthenium complexes are electron-precise with 34 cluster valence electrons. Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a Article，once mentioned of 12150-46-8, name: 1,1-Bis(diphenylphosphino)ferrocene

The reaction of 4-ferrocenylaniline with trans-[ReOCl3(PPh3)2] gave [(4-ferrocenylphenylimido)]trichlorobis-(triphenylphosphine)rhenium(V) (1). The molecular structure of 1 has been determined by X-ray diffraction. The X-ray crystal structure of [(4-ferrocenylphenylimido)]tribromobis(triphenylphosphine)rhenium(V) (2) has also been determined and its molecular structure is compared with that of 1. The complexes 1 and 2 have also been investigated by cyclic voltammetry and UV-visible spectroscopy. The results of the cyclic voltammetry suggest that there is insignificant electron delocalization from the ferrocenyl group towards rhenium in 1 and 2. However, both 1 and 2 show a long wavelength absorption in their electronic spectra which is characteristic of conjugated ferrocenyl derivatives. The synthesis and characterization of two further similar imido-complexes but in which the ferrocenyl-phenyl group is part of a more extended unit is described (complexes 5 and 6). The synthesis of a rhenium oxo-complex,fac-oxotrichloro[1,1?-bis(diphenylphosphine) ferrocene]rhenium(V) (3) has also been achieved and 3 has been further derivatized with two different ferrocenylamines to provide rhenium complexes containing two ferrocenyl groups (4 and 7).

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

In an article, published in an article, once mentioned the application of 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene,molecular formula is C34H28FeP2, is a conventional compound. this article was the specific content is as follows.Safety of 1,1-Bis(diphenylphosphino)ferrocene

This paper describes on the interaction studies of carbonyl heterobimetallic compounds of Ru(II)/Fe(II) containing polypyridyl ligands, with general formula ct?[RuCl(CO)(N?N)(dppf)]PF6, N?N = 1,10?phenanthroline (phen) 5; dipyrido[3,2?f:2?,3??h]quinoxaline (dpq) 6; dipyrido[3,2?a:2?,3??c]phenazine (dppz) 7; dipyrido[3,2?f:2?,3??h]quinoxalino[2,3?b]quinoxaline (dpqQX) 8 and dppf = 1,1??bis(diphenylphosphino) ferrocene], with calf thymus DNA (ct?DNA) and bovine serum albumin (BSA). Also, it describes the cellular viability assays of these complexes in tumorigenic and non-tumorigenic cell lines. The carbonyl complexes 5?8 and their respective precursors with formula cis?[RuCl2(N?N)(dppf)], N?N = phen (1), dpq (2), dppz (3) and dpqQX (4), were characterized by elemental analysis and spectroscopic techniques (FTIR, UV?vis, 1H and 31P{1H} NMR). Also, a cyclic voltammetry study was performed for all complexes. The crystal structure of the complex 3 is presented and discussed. Spectrofluorimetric titrations shows spontaneous and strong interaction of 5?8 with BSA, through a static quenching mechanism, resulting in binding constants in the order of 104?106 L mol?1, at 310 K. Viscosity measurements and circular dichroism spectra prompts interactions of 5?8 with ct?DNA via non?classical intercalations or by an electrostatic pathway. MTT assays in breast tumor cells MDA?MB?231 and in non-tumorigenic cells MCF-10A and V79?4 cell lines revealed IC50 values ranging from 0.19 to 1.11 mumol L?1, 1.07?3.18 mumol L?1 and 1.29?3.85 mumol L?1 respectively, for complexes 5?8.

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

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. 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a Article，once mentioned of 12150-46-8, category: chiral-phosphine-ligands

A general synthetic route to indoles from readily available anilines and epoxides by using ruthenium catalysis is described. This straightforward transformation allows a variety of indoles to be obtained in good yields by using [Ru3(CO)12]/1,1-bis(diphenylphosphino)ferrocene as the catalytic system. Water and hydrogen are formed as the only stoichiometric by-products, making this process highly atom efficient.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data.category: chiral-phosphine-ligands, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 12150-46-8, in my other articles.

Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Application of 12150-46-8, 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. 12150-46-8, C34H28FeP2. A document type is Article, introducing its new discovery.

The Lewis acidic pincer with a labile triflate ligand, viz. [Pd(OTf)(PCP)] (PCP = -CH(CH2CH2PPh2)2) 1 was prepared from [PdCl(PCP)] with AgOTf. It reacts readily with neutral bidentate ligands [L = 4,4?-bipyridine (4,4?-bpy) and 1,1?-bis(diphenylphosphino)ferrocene (dppf)] to give dinuclear PCP pincers [{Pd(PCP)}2(mu-L)][OTf]2 (L = 4,4?-bpy, 2; dppf, 3). [PdCl(PCP)] also reacts with 4-mercaptopyridine in the presence of KOH to give a Lewis basic pincer with a free pyridine functional group [Pd(4-Spy)(PCP)] 4. Its metalloligand character is exemplified by the isolation of an asymmetric dinuclear double-pincer complex [{Pd(PCP)}2(mu-4-Spy)][PF 6] 6 bridged by an ambidentate pyridinethiolato ligand. Complexes 1, 2, 3, 4 and 6 have been characterized by single-crystal X-ray diffraction analyses. The Royal Society of Chemistry.

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Electric Literature of 12150-46-8, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a Article，once mentioned of 12150-46-8

The oxidative electrochemistry of 1,1?-bis(diphenylphosphino) ferrocene (dppf) and 1,1?-bis(diphenylphosphino)ruthenocene (dppr) was investigated at a variety of temperatures and concentrations. In addition, the oxidative electrochemistry of [NiCl2(dppf)] and [MCl2(dppr)] (M=Ni, Pd or Pt) compounds was studied. During the preparation of the dppr compounds, crystals of [NiCl2(dppr)] and [(PdCl2(dppr)]· CH2Cl2were obtained and the structures were determined. With the previously determined structures of [MCl2 (dppf)] (M=Ni, Pd or Pt) and [PtCl2(dppr)], a thorough examination of the binding of dppf and dppr to Group 10 metals was performed.

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 12150-46-8 is helpful to your research., Electric Literature of 12150-46-8

Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Synthetic Route of 12150-46-8. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene. In a document type is Article, introducing its new discovery.

Suzuki-Miyaura cross-coupling reaction has been used for the synthesis of tricyclic architectures based on trans-A2B2-porphyrins and bisaminal-protected polyazamacrocycles which are linked directly or by a p-phenylene spacer. This modular approach allowed the synthesis of ligands with various substituted porphyrin macrocycles and bisaminal-protected tetraazamacrocycles possessing different cavity sizes. These molecules can be assembled into dimers using a DABCO linker. Deprotection of these compounds afforded porphyrin-bis(polyazamacrocycle) triads.

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

Application of 12150-46-8, 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.12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a patent, introducing its new discovery.

Three copper(I) complexes (2-4) containing dppf ancillary ligand (dppf = bis(diphenylphosphino)-ferrocene) were synthesized when chloride-bridged copper(I) complex 1 reacted with acetanilide and characterized by IR, element analysis and NMR spectrum. And the crystal structures of complexes 2 and 4 have been determined by X-ray diffraction method. Complex 2, an acetate-bridged copper(I) complex, was obtained under N2 atmosphere in un-dried solvent; the acetate ion came from the hydrolysis reaction of acetanilide due to residual water in solvent. Acetanilide was deprotonated and coordinated with the copper(I) centre to form a copper(I) amidate complex 3 when reacted in pre-dried solvent. In addition, a known complex 4, the oxidation product of dppf, was isolated from the same reaction system when reacted in air atmosphere. CV and TG experiments were carried out to check the electron transfer properties and thermal stabilities of complexes 2-3. Finally, the arylation reaction of complex 3 with iodobenzene was performed to study the reaction mechanism of copper(I) catalyzed Goldberg reaction.

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Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.12150-46-8, Name is 1,1-Bis(diphenylphosphino)ferrocene, molecular formula is C34H28FeP2. In a Article，once mentioned of 12150-46-8, Formula: C34H28FeP2

Addition of 1,1′-bis(diphenylphosphino)ferrocene (dppf) to an ‘activated mixture’ containing and Me3NO*2H2O in thf-MeOH (2:1) in the molar ratio 1.0:1.0:2.4 at 25 deg C gives in 34percent yield.The molecular structure was determined by X-ray diffraction analysis: monoclinic, space group P21/n, a = 13.646(1), b = 18.440(2), c = 17.850(4) Angstroem, beta = 97.69(1) deg, final R 0.030 for 3992 observations.It contains two tricarbonylrhenium(I) moieties bridged by dppf and two methoxo ligands.The cp-Fe-cp (cp = eta-C5H5) axis of dppf makes a projection of 53.5 deg onto the Re-Re axis.

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 12150-46-8 is helpful to your research., Formula: C34H28FeP2

Reference：
Phosphine ligand,
Chiral phosphine ligands in asymmetric synthesis. Molecular structure and absolute configuration of (1,5-cyclooctadiene)-(2S,3S)-2,3-bis(diphenylphosphino)butanerhodium(I) perchlorate tetrahydrofuran solvate