Category: 94-91-7

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine, molecular formula is C17H18N2O2. In a Article，once mentioned of 94-91-7, Recommanded Product: 94-91-7

Cobalt(II) complexes with a series of as many as sixteen SALEN type of quadridentate ligands derived by condensing substituted carbonyls and different diamines have been synthesized and characterized by IR, 1N NMR, molar conductivity, magnetic susceptibility measurements and electronic spectral data. Subnormal magnetic moment values infer the presence of dimeric structure for the present complexes. However, electronic spectral data suggest a square planar structure in solution, possibly due to the monomeric structure. Infrared spectral data suggest the bonding of ligands through two ortho phenolic oxygen and two azomethine nitrogen atoms. The electrochemical behaviour of these complexes has been studied by cyclic voltammetry. Additional phenolic groups present in these complexes are useful for the facile synthesis of polymer supported cobalt complexes.

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Chiral Catalysts,
Chiral catalysts – SlideShare

Reference of 94-91-7. Let’s face it, organic chemistry can seem difficult to learn. Especially from a beginner’s point of view. Like 94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine. In a document type is Article, introducing its new discovery.

A new Cu-Zn heteronuclear complex, [CuZnCl2L], where L is the dianionic form of N,N-bis(salicylidene)propane-1,2-diamine, has been prepared and characterized by elemental analyses, IR, and single-crystal X-ray crystallographic determination. The crystal of the complex is monoclinic: space group P21/c, a = 12.195(5), b = 8.009(3), c = 18.082(7) A, beta = 93.745(6), V = 1762.3(12) A3, Z = 4. The Cu atom is coordinated by two phenolate O and two imine N atoms of the Schiff base ligand, forming a square planar geometry. The Zn atom is coordinated by two phenolate O atoms of the Schiff base ligand and two Cl atoms, forming a tetrahedral geometry. The effect of the Schiff base ligand and the complex on the antimicrobial activity against Staphylococcus aureus, Escherichia coli, and Candida albicans was studied. Supplemental materials are available for this article. Go to the publisher’s online edition of Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry to view the supplemental file.

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Reference：
Chiral Catalysts,
Chiral catalysts – SlideShare

94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine, molecular formula is C17H18N2O2, belongs to chiral-catalyst compound, is a common compound. In a patnet, once mentioned the new application about 94-91-7, category: chiral-catalyst

Attempts to prepare [TiO(salen)] (H2salen = 1,2-HOC6H4CH=NCH2CH2N=CHC6H4OH-1,2) and its homologues, analogues of the well known complexes related to [VO(salen)] were only partially successful, in that all the products appear to be polymeric rather than mononuclear, and no crystalline materials were obtained. Homologues of [TiCl2(salen)] were similarly difficult to obtain pure, though we determined a crystal structure for [TiCl2(1,2-OC6H4CMe=NCH2CH2N=CMeC6H4O-1,2)]. This has the expected octahedral coordination, though in common with many such materials, there are molecules of solvent, thf and toluene, within the crystal. This complicates characterisation on the basis of microanalysis. (C) 2000 Elsevier Science S.A.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.category: chiral-catalyst. In my other articles, you can also check out more blogs about 94-91-7

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Chiral Catalysts,
Chiral catalysts – SlideShare

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. 94-91-7, C17H18N2O2. A document type is Article, introducing its new discovery., Formula: C17H18N2O2

The epoxidation of olefins is catalyzed by dioxotungsten(VI) complexes using tert-butyl hydroperoxide (TBHP) as the oxidant. Competitive epoxidation of olefins follows the order: cyclohexene > cycloheptene > norbornene. Norbornene gives exoepoxide only. The studies on the effect of surfactants (Triton-X-100, SLS and CTAB) show that addition of surfactant retards the epoxide yield. Results suggest that the olefin is coordinated to metal center in the rate determining step.

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Reference：
Chiral Catalysts,
Chiral catalysts – SlideShare

94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine, molecular formula is C17H18N2O2, belongs to chiral-catalyst compound, is a common compound. In a patnet, once mentioned the new application about 94-91-7, HPLC of Formula: C17H18N2O2

New vanadyl(IV) complexes of tetradentate Schiff-base dianions containing one, two or three carbon atoms between the two iminato-nitrogen atoms are described. The compounds are either mononuclear or polymeric, as shown by the value of v(V = O), and depending upon the Schiff-base dianion. There is no evidence for electron delocalization along the polymeric chains. Some vanadium(III) complexes of bidentate Schiff-base monoanions have also been isolated; the crystal structure of [VO(2-OC6H4CHNH)2] and preliminary data on the structure of [V(Prhap)3] · toluene [HPrhap = 2-HOC6H4C(Me)NCH2CH2Me] are reported.

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Chiral Catalysts,
Chiral catalysts – SlideShare

In an article, published in an article, once mentioned the application of 94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine,molecular formula is C17H18N2O2, is a conventional compound. this article was the specific content is as follows.name: N,N’-Bis(salicylidene)-1,2-propanediamine

Metal complexes of Schiff base ligands derived from N,N?- ethylenebis(salicylaldimine) and N,N?-1,2-propylenebis(salicylaldimine) were used to synthesize a series of hetero binuclear complexes. The general composition of the complexes is MaL.MbL?, where Ma = Ni, M b = Rb or Cs, L = N,N?-1,2-ethylenebis(salicylaldimine) or N,N?,2-propylenebis(salicylaldimine), L? = deprotonated o-nitrophenol, 2,4-dinitrophenol, 2,4,6-trinitrophenol, 1-nitroso-2-naph-thol, 8-hydroxyquinoline. The complexes were characterized by elemental analysis, molar conductance measurements, magnetic susceptibility measurements, infrared spectra and UV-Visible spectra. The metal chelate of Schiff base acts as bidentate ligand and coordinates through the phenolic oxygen atoms. The hetero binuclear Schiff base complexes were screened for their antibacterial activity against bacteria Escherichia coli MTCC-739, Staphylococcus aureus MTCC-96 and for antifungal activity against fungus Candida albicans MTCC-227.

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Chiral Catalysts,
Chiral catalysts – SlideShare

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine, molecular formula is C17H18N2O2. In a Patent，once mentioned of 94-91-7, name: N,N’-Bis(salicylidene)-1,2-propanediamine

The present invention relates to an unleaded aminated aviation gasoline of high motor octane number (MON) and low toluene insoluble deposit formation containing an additive for controlling said deposits selected from the group consisting of high molecular weight hydrocarbyl amines, high molecular weight hydrocarbyl succinimide, high molecular weight hydrocarbyl substituted Mannish bases, and mixtures thereof, and optional carrier oil(s), to an additive concentrate for controlling toluene insoluble deposits, and to a method for producing the additive concentrate.

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Reference：
Chiral Catalysts,
Chiral catalysts – SlideShare

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. 94-91-7, C17H18N2O2. A document type is Article, introducing its new discovery., Safety of N,N’-Bis(salicylidene)-1,2-propanediamine

A new range of potentially tetradentate proligands, H2L, derived from aromatic aldehydes and ketones and aliphatic diamines has been prepared. Their vanadyl(IV) and vanadyl(V) complexes [VO(L)] and [VO(L)]+, and also some adducts [VO(L)?VO(L)]+, have been synthesized. The structures of four selected complexes have been determined and it is shown that these must be a result of both steric and electronic factors that make prediction of conformation and stacking difficult. The adducts [VO(L)?VO(L)]+ have structures that persist in solution in dichloromethane, where they can undergo redox chemistry, but they apparently dissociate into their component complexes in the donor solvent acetonitrile. The Royal Society of Chemistry 1999.

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Chiral Catalysts,
Chiral catalysts – SlideShare

94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine, molecular formula is C17H18N2O2, belongs to chiral-catalyst compound, is a common compound. In a patnet, once mentioned the new application about 94-91-7, Product Details of 94-91-7

Dioxoruthenium(VI) complexes are found to give low yield of epoxide but good yield of cyclohexenone.The complexes are electroactive giving metal centered RuVI/RuV couple.Cis-stilbene gives trans epoxide and benzaldehyde.Norbornene gives exo epoxy norbornene.The selectivity for allylic oxidation is high.

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Chiral Catalysts,
Chiral catalysts – SlideShare

Electric Literature of 94-91-7, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 94-91-7, Name is N,N’-Bis(salicylidene)-1,2-propanediamine, molecular formula is C17H18N2O2. In a Article，once mentioned of 94-91-7

A series of monomeric chloroiron(III) complexes with the quadridentate or quinquedentate Schiff bases such as N,N’-disalicylideneethylenediamine or bis<3-(salicylideneamino)propyl>amine react with superoxide ions, O2-, in dimethyl sulfoxide to give the corresponding mu-oxo dimers.The polymeric chloroiron(III) complexes with the polymeric (oligomeric) Schiff bases derived from 5,5′-methylenedisalicylaldehyde and triamines react with O2- in dimethyl sulfoxide to give the oxygenated complexes, probably dioxygen adducts, FeIII-O2-.This is suggested by the absorption spectra and the polarographic measurements.

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 94-91-7 is helpful to your research., Electric Literature of 94-91-7

Reference：
Chiral Catalysts,
Chiral catalysts – SlideShare