Category: 150-61-8

Chemistry is traditionally divided into organic and inorganic chemistry. Quality Control of: N1,N2-Diphenylethane-1,2-diamine. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 150-61-8

Conversion of 1,1?-dianilinoferrocenes of the composition [3,4-R 2C5H2(NHPh)]2Fe (R = H, Ph) with 1 equiv of the rare-earth metal alkyl precursors Ln(THF)2(CH 2SiMe3)3 (Ln = Lu, Y) affords [R 4Fc(NPh)2]Ln(THF)2CH2SiMe 3 (1a-2b) in yields of 73-83%. The steric bulk of the ferrocene moiety induces a pronounced stabilization of the complexes in comparison to alkyl-bridged analogues. Correspondingly, the complexes 1a-2b are stable in solution at room temperature and were characterized by multinuclear NMR spectroscopy and elemental analysis. A single-crystal X-ray diffraction study was performed for complex 2b. The synthesized rare-earth metal alkyls embedded into a 1,1?-diamidoferrocene framework effectively initiate the polymerization of methyl methacrylate (MMA) at room temperature, producing isotactic enriched poly(methyl methacrylate) (PMMA). The properties of the produced PMMAs are mainly governed by the substitution patterns of the ferrocenyl backbone.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Chemistry is traditionally divided into organic and inorganic chemistry. Safety of N1,N2-Diphenylethane-1,2-diamine. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 150-61-8

The bis(aryloxy)germylenes 1-4 and the diaminogermylenes 5-10 are obtained from GeCl2-dioxane and lithiated, ortho-substituted phenols and sterically hindered amines (1:2), resp.Compounds R(Me3Si)N-Ge-OtBu (13-15) are formed if the amines are lithiated with tert-butyllithium in n-hexane/THF.Dilithiated ethylenediamines lead to diazagerma(II)cyclopentanes 16 and 17.The amino(halo)germylenes 19 and 20 are obtained from GeX2-dioxane (X = Cl, Br) and lithiated (2,6-dialkylphenyl(trimethylsilyl)amines (1:1).

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthetic Route of 150-61-8, In heterogeneous catalysis, the catalyst is in a different phase from the reactants. At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 150-61-8, name is N1,N2-Diphenylethane-1,2-diamine. In an article，Which mentioned a new discovery about 150-61-8

The reaction of pyrimidine nucleoside 5′-aldehydes with (diethylamino)sulphur trifluoride (DAST) to produce 5′-deoxy-5′,5′-difluoronucleosides is reported.The preferred reaction is the production of the O2,5′-anhydro-5′-fluoronucleoside.If this is prevented by substitution at O4 or N-3 then, in the former case, either DAST no longer reacts or under drastic conditions the C(1′)-N(1) bond breaks and the heterocyclic base remains joined by C-5′ <*> O2 to a glycosyl fluoride.In the latter case, the 5′-aldehyde of 2′,3′-O-isopropylideneneuridine gives the 5′-deoxy-5′,5′-difluoro compound as the sole identifiable product.With the 5′-aldehyde of AZT as starting material, treatment with DAST yields a diastereoisomeric mixture of glycosyl fluorides and a derivative of 5′-deoxy-5′,5′-difluoro AZT from which 3′-azido-3′,5′-dideoxy-5′,5′-difluorothymidine could be isolated.This compound is not toxic nor has it any activity against human immunodeficiency virus type-1 (HIV-1) at concentrations up to 100 muM.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.150-61-8. In my other articles, you can also check out more blogs about 150-61-8

Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Application of 150-61-8, 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. 150-61-8, Name is N1,N2-Diphenylethane-1,2-diamine, molecular formula is C14H16N2. In a Article，once mentioned of 150-61-8

Design, synthesis, and pharmacological evaluation of conformationally constrained analogues of N,N’-diaryl- and N-aryl-N-aralkylguanidines as potent inhibitors of neuronal Na+ channels

In the present investigation, the rationale for the design, synthesis, and biological evaluation of potent inhibitors of neuronal Na+ channels is described. N,N’-Diaryl- and N-aryl-Naralkylguanidine templates were locked in conformations mimicking the permissible conformations of the flexible diarylguanidinium ion (AS+, AA+, SS+). The resulting set of constrained guanidines termed ‘lockamers’ (cyclophane, quinazoline, aminopyrimidazolines, aminoimidazolines, azocino- and tetrahydroquinolinocarboximidamides) was examined for neuronal Na+ channel blockade properties. Inhibition of [14C]guanidinium ion influx in CHO cells expressing type IIA Na+ channels showed that the aminopyrimidazoline 9b and aminoimidazoline 9d, compounds proposed to lock the N,N’-diarylguanidinium in an SS+ conformation, were the most potent Na+ channel blockers with IC50’s of 0.06 muM, a value 17 times lower than that of the parent flexible compound 18d. The rest of the restricted analogues with 4-p-alkyl substituents retained potency with IC50 values ranging between 0.46 and 2.9 muM. Evaluation in a synaptosomal 45Ca2+ influx assay showed that 9b did not exhibit high selectivity for neuronal Na+ vs Ca2+ channels. The retention of significant neuronal Na+ blockade in all types of semirigid conformers gives evidence for a multiple mode of binding in this class of compounds and can possibly be attributed to a poor structural specificity of the site(s) of action. Compound 9b was also found to be the most active compound in vivo based on the high level of inhibition of seizures exhibited in the DBA/2 mouse model. The pKa value of 9b indicates that 9b binds to the channel in its protonated form, and log D vs pH measurements suggest that ion-pair partitioning contributes to membrane transport. This compound stands out as an interesting lead for further development of neurotherapeutic agents.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Chemistry is an experimental science, Safety of N1,N2-Diphenylethane-1,2-diamine, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 150-61-8, Name is N1,N2-Diphenylethane-1,2-diamine

Recent advances in hexacoordinate silicon with pyridine-containing ligands: Chemistry and emerging applications

The chemistry of hexacoordinate silicon complexes containing one or more pyridine-like ligands is reviewed. Pyridine-containing ligands are excellent ligands for stabilizing hexacoordinate silicon complexes, and over 100 hexacoordinate silicon complexes containing at least one pyridine-like ligand have been deposited with the Cambridge Structural Database. This review focuses on advances since 2000 and covers complexes with substituted pyridines, pyridine-2-thiolates, oxyquinolates, thioquinolates, iminoquinolates, bipyridines, phenanthrolines, and terpyridines. Emerging applications in fluorescence, high-energy materials, biology, and electrochromism are discussed.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. Safety of N1,N2-Diphenylethane-1,2-diamine, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 150-61-8, in my other articles.

Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthetic Route of 150-61-8, 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. 150-61-8, Name is N1,N2-Diphenylethane-1,2-diamine, molecular formula is C14H16N2. In a Article，once mentioned of 150-61-8

Reactive cyclic phosphonamide flame retardant for epoxy resins

To take the advantage of reactivity of five-membered cyclic phosphorus compounds, 1,2,3-tri-phenyl-1,3,2-diazaphospholidine-2-oxide (TPDPO) was explored as a reactive flame retardant for epoxy resins (EPs). Through model compounds, it has been established that TPDPO selectively reacts with the secondary hydroxyl group and is inert toward both aryl amino groups and epoxide groups. The result of Soxhlet extraction supports that TPDPO is permanently bonded to the cured EPs. At a loading of only 8 wt % (0.74 wt % phosphorus), TPDPO enables the cured epoxy to achieve a UL-94 V0 rating. The thermogravimetric analysis?Fourier transform infrared analyses of the gaseous products suggest that the excellent flame retardancy of EP?TPDPO is partly due to the enhanced dehydration process of the epoxy. Also an increased char yield and the formation of a coherent char layer contribute to the good fire performance of EP?TPDPO.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Synthetic Route of 150-61-8, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.150-61-8, Name is N1,N2-Diphenylethane-1,2-diamine, molecular formula is C14H16N2. In a Patent，once mentioned of 150-61-8

CHIRAL N-HETEROCYCLIC PHOSPHORODIAMIDIC ACIDS (NHPAS) AND DERIVATIVES AS NOVEL BRONSTED ACID CATALYSTS

Provided herein are diaryl and arylalkyl phosphonates, useful as intermediates in, for example, the synthesis of leukocyte elastase inhibitors, potassium channel modulators, chemiluminescence materials, and flame retardants, and methods for making same. Also provided are N-heterocyclic phosphorodiamidic acids (NHPAs) useful in reactions such as, for example, in the preparation of diaryl and arylalkyl phosphonates. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

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Reference：
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

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Reactions of the Bis(beta-diketonato)platinum(II) Complexes with Various Nitrogen Bases

The bis(beta-diketonato)platinum(II) complexes react with various nitrogen bases (L) to afford (beta-dik), , (beta-dik)2, and depending on the natures of the beta-diketonate anions and L.All of these complexes are stable in solution, showing no sign of isomerization and dissociation of L.The platinum(II) complexes containing the O-unidentate beta-diketonate ligand are much more stable than corresponding palladium(II) complexes and (acac) and constitute a pair of linkage isomers.The complexes containing the 2,4-pentanedionate anion (acac) in the outer sphere readily undergo the H-D exchange of the methine proton of acac and the NH protons of coordinated amines with CDCl3.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.150-61-8. In my other articles, you can also check out more blogs about 150-61-8

Reference£º
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Chemistry is traditionally divided into organic and inorganic chemistry. HPLC of Formula: C14H16N2. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 150-61-8

Stereoselective synthesis of hexacoordinated mononuclear cyclometalated rhodium(III) complexes – Transfer of chirality from the metal center to the ligand

The cleavage of DeltaDelta[Rh(th4,5ppy)2(mu-C1)]2 [th4,5ppy is enantiomerically pure (8R,10R)-2-(2?-thienyl)-4,5-pinenopyridine(-)] by 5 different diimines and 11 diamines yields monomeric cations Delta[Rh(th4,5ppy)2(N?N)]+. In all cases, the cleavage reaction preserves the original Delta configuration at the metal center. When N?N is a chiral or a prochiral ligand, various degrees of stereoselectivity is observed, depending on where the stereogenic center is located in N?N. The reported results open up a systematic method towards the synthesis of tris(bidentate)RhIII complexes with a completely predetermined stereochemistry.

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Reference£º
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels.In a patent£¬ category: catalyst-ligand, Which mentioned a new discovery about 150-61-8

Stereo-selectivity switchable ROP of: Rac -beta-butyrolactone initiated by salan-ligated rare-earth metal amide complexes: The key role of the substituents on ligand frameworks

A series of novel salan-ligated rare-earth metal amide complexes were prepared and employed as initiators for the ROP of rac-beta-butyrolactone (rac-BBL). Tuning the substituents on the N atoms of the ligand frameworks from aromatic groups to aliphatic groups results in switching tacticity from iso-tactic to syndio-tactic in rac-BBL polymerization.

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Reference£º
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI