Category: 152628-02-9

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, SMILES is C(CC)C1=NC2=C([NH]1)C(=CC(=C2)C3=NC4=C([N]3C)C=CC=C4)C, in an article , author is Karaseva, I. N., once mentioned of 152628-02-9, SDS of cas: 152628-02-9.

Structure and Polymorphism of Imidazole Derivatives

A crystal chemical analysis is performed of the structures of some imidazole derivatives capable of polymorphic transformations. Characteristics of molecular Voronoi-Dirichlet polyhedra are used to analyze nonvalent intra- and intermolecular interactions in the crystal structures of imidazole conformational polymorphs.

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Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, SMILES is C(CC)C1=NC2=C([NH]1)C(=CC(=C2)C3=NC4=C([N]3C)C=CC=C4)C, belongs to imidazoles-derivatives compound. In a document, author is Mawasi, Hafiz, introduce the new discover, HPLC of Formula: C19H20N4.

Design and comparative anticonvulsant activity assessment of CNS-active alkyl-carbamoyl imidazole derivatives

A novel series of carbamoyl derivatives of alkylimidazole has been designed and their anticonvulsant activity was comparatively evaluated in the mice-and rats-maximal-electroshock (MES), subcutaneous- metrazol (scMet) seizure tests and the mice-6 Hz psychomotor (6 Hz) models. The ten new designed molecules contain in their chemical structure imidazole, alkyl side-chain and carbamate as three potential active moieties. In spite of the close structural features of the carbamoyl imidazole derivatives only compounds 7, 8, 13 and 16 were active at the MES test with ED50 values ranging from 12 to 20 mg/kg coupled with high protective index (PI = TD50/ED50) values of 4.1-7.3 after ip administration to rats. A similar phenomenon was observed in mice where compounds 7, 8, 9, 12 had MES-ED50 values of 14-26 mg/kg. Compounds 7 and 13 also demonstrated anticonvulsant activity in the 6 Hz model with ED50 values of 32 and 44 mg/kg, respectively. As the most active entities, compounds 7, 8 followed by 13 and 16, thus offer an optimal efficacy-safety profile and consequently, might be promising candidates for development as new antiepileptics. (C) 2016 Elsevier Ltd. All rights reserved.

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 152628-02-9 is helpful to your research. HPLC of Formula: C19H20N4.

Chemo-enzymatic cascade processes are invaluable due to their ability to rapidly construct high-value products from available feedstock chemicals in a one-pot relay manner. In an article, author is Pilawka, R., once mentioned the application of 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, molecular formula is C19H20N4, molecular weight is 304.39, MDL number is MFCD03840857, category is imidazoles-derivatives. Now introduce a scientific discovery about this category, Category: imidazoles-derivatives.

Effect of 1-substituted imidazole derivatives for the curing process of epoxy-isocyanate composition

The kinetics of the curing process of isocyanate-epoxy materials hardened in the presence of 1-substituted imidazole derivatives was studied by the Coast-Redfern method. The extent of a conversion parameter of the curing process in two ways was calculated: DSC (peak area integration) and rheology (viscosity changes). The activation energy values were determined for epoxy-isocyanate cured in the presence of 0.5; 1.0 and 2.0 phr 1-substituted imidazole derivatives respectively. Increasing of accelerators amount results in decreasing the activation energy and other kinetic parameters.

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Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, molecular formula is C19H20N4. In an article, author is Fang, Zhangjian,once mentioned of 152628-02-9, Application In Synthesis of 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole.

Synthesis and characterization of blue light emitting materials containing imidazole

A series of novel imidazole derivatives as blue light emitting materials were synthesized by heck coupling reaction and characterized with respect to their chemical, luminescence and thermal properties. The results were shown that the imidazole derivatives were strongly blue fluorescent (lambda = 455-487 nm) with high fluorescence quantum yields (Phi(f) = 0.28-0.63). All of these compounds have excellent thermal properties (382-423 degrees C) due to the molecular structure introduced by imidazole heterocycles, and the imidazole derivatives (M1 and M2) can be polymerized as monomers. (C) 2007 Elsevier B.V. All rights reserved.

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Chemistry is the science of change. But why do chemical reactions take place? Why do chemicals react with each other? The answer is in thermodynamics and kinetics, 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, SMILES is C(CC)C1=NC2=C([NH]1)C(=CC(=C2)C3=NC4=C([N]3C)C=CC=C4)C, belongs to imidazoles-derivatives compound. In a document, author is Han, Lu, introduce the new discover, Recommanded Product: 152628-02-9.

Determination Co2+ in vitamin B-12 based on enhancement of 2-(4-substituted-phenyl)-4,5-di(2-furyl) imidazole and H2O2 chemiluminescence reaction

In this paper, three kinds of imidazole derivatives, 2-(4-methylphenyl)-4.5-di(2-furyl) imidazole (MDFI), 2-(4-nitrophenyl)-4,5-di(2-furyl) imidazole (NDFI), and 2-(4-tert-butylphenyl)-4,5-di(2-furyl) imidazole (t-BDFI) were synthesized. In an alkaline medium, the chemiluminescence (CL) reaction of imidazole derivatives with H2O2 has been investigated. It was also found that MDFI/H2O2 and t-BDFI/H2O2 systems gave strong CL When Co2+ was added into the two CL systems, the CL intensity was remarkably enhanced. In the optimum conditions, the CL intensity is linearly related to the logarithm of concentration of Con. The linear ranges are 5 x 10(-9)-2.5 x 10(-7) mol/L for MDFI/H2O2 system and 5 x 10(-9)-2.5 X 10(-7) mol/L for t-BDFI/H2O2 system, and the corresponding detection limits are 1.2 X 10(-9) mol/L and 1.1 X 10(-9) mol/L, respectively. The method was applied to the determination of Co2+ in vitamin B-12 injection. Furthermore, the CL mechanism was also discussed. (C) 2011 Elsevier B.V. All rights reserved.

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 152628-02-9 is helpful to your research. Recommanded Product: 152628-02-9.

Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, molecular formula is C19H20N4. In an article, author is Yue, Yuanyuan,once mentioned of 152628-02-9, Category: imidazoles-derivatives.

Interaction of human serum albumin with novel imidazole derivatives studied by spectroscopy and molecular docking

This study was a detailed characterization of the interaction of a series of imidazole derivatives with a model transport protein, human serum albumin (HSA). Fluorescence and time-resolved fluorescence results showed the existence of a static quenching mode for the HSA-imidazole derivative interaction. The binding constant at 296 K was in the order of 10(4) M-1, showing high affinity between the imidazole derivatives and HSA. A site marker competition study combined with molecular docking revealed that the imidazole derivatives bound to subdomain IIA of HSA (Sudlow’s site I). Furthermore, the results of synchronous, 3D, Fourier transform infrared, circular dichroism and UV-vis spectroscopy demonstrated that the secondary structure of HSA was altered in the presence of the imidazole derivatives. The specific binding distance, r, between the donor and acceptor was obtained according to fluorescence resonance energy transfer. Copyright (c) 2015 John Wiley & Sons, Ltd.

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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. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, molecular formula is , belongs to imidazoles-derivatives compound. In a document, author is Jain, Abhishek K., Computed Properties of C19H20N4.

Synthesis and antibacterial evaluation of 2-substituted-4,5-diphenyl-N-alkyl imidazole derivatives

Objective: To synthesis 2-substituted-4,5-diphenyl-N-alkyl imidazole derivatives, and evaluate their antibacterial activity. Methods: A mixture of benzil (10 mmol) and ammonium acetate (0.1 mol) (immediately fused) in glacial acetic acid (25 mL) was stirred at 80-100 degrees C for 1 h under nitrogen atmosphere (to prevent incorporation of any atmospheric impurities and moisture). Substituted aldehydes (10 mmol) in glacial acetic acid (5 mL) was added drop-wise over a period of 15-20 min at the same temperature and stirred for another 4 h, the progress of the reaction was monitored by TLC test using ethyl acetate as eluent. The newly synthesized compounds were characterized by Ill, (HNMR)-H-1, (CNMR)-C-13 and by mass spectroscopy. Results: All the synthesized compounds were confirmed by spectroscopical techniques and evaluated for antimicrobial activity against Staphylococcus aureus( S. aurius), Bacilus subtilus (B. subtilus), and Escheria coli (E. call). These compounds showed antibacterial activity (zone of inhibition) against S. aurius ranged from 3 mm to 9 mmin diameter, B. subtilus, 4 -8 mm, and E. coli. 5 -12 mm. Out of 2a-2e, only 2a and 2b showed some sort of activity but none of them had considerable activity compared with that of the standard. Conclusions: All the synthesized compounds show moderate activity against the tested bacteria S. aurius, B. subtilus, and E. coli. So, further structural modification is necessary to improve the antibacterial action of 2-substituted-4,5-diphenyl-N-alkyl imidazole derivatives.

Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 152628-02-9, in my other articles. Computed Properties of C19H20N4.

One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, formurla is C19H20N4. In a document, author is PARLIER, D, introducing its new discovery. Application In Synthesis of 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole.

SUPERCRITICAL FLUID CHROMATOGRAPHY OF IMIDAZOLE DERIVATIVES

The aim of this work was to use SFC to separate simple, slightly basic, imidazole derivatives which are used for the synthesis of more complex molecules with therapeutic properties. Control of their purity utilizes separation techniques and this paper shows that SFC can do in comparison with LC which requires derivatization before detection and with GC where peak tailing can be a problem. Our results concern the use of sub-critical mixtures of CO2 and polar modifiers because imidazole derivatives react with neat CO2, thus failing to elute from packed columns, and are only partially resolved on capillary columns with neat N2O. Therefore, separations with CO2-alcohol-amine-water mixtures on aminopropyl-bonded silica with UV detection are discussed. The resolution and sensitivity limits allow real sample analysis within a very short time.

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Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 152628-02-9, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, molecular formula is C19H20N4, belongs to imidazoles-derivatives compound. In a document, author is Brzezinski, B, introduce the new discover, Recommanded Product: 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole.

Formation of hydrogen-bonded chains between strong N-base and N-H acids – a FTIR study

Mixtures of imidazole derivatives with the strong base 7-methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene (MTBD) were studied by FTIR spectroscopy as a function of the imidazole derivative:MTBD ratio. In the case of complexes of MTBD with the lowest acidic imidazole only molecular complexes are found. This is true in the chloroform solutions as well as in the acetonitrile solutions. With increasing acidity of the imidazoles in both solvents more and more polar structure of the complexes is found. In chloroform the polar structure predominates and the proton polarizability in the chains remains weak. In the acetonitrile solution the complexes dissociate. If more imidazole molecules are present one observes large proton polarizability of the negatively charged structurally symmetrical imidazole chains. (C) 1998 Elsevier Science B.V.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 152628-02-9. Recommanded Product: 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole.

In an article, author is Nowak, Ireneusz, once mentioned the application of 152628-02-9, Recommanded Product: 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, Name is 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole, molecular formula is C19H20N4, molecular weight is 304.39, MDL number is MFCD03840857, category is imidazoles-derivatives. Now introduce a scientific discovery about this category.

N-oxides of adenosine-type nucleosides undergo pyrimidine ring opening and closure to give 5-amino-4-(1,2,4-oxadiazol-3-yl)imidazole derivatives

Treatment of acylated adenosine N-oxides with carboxylic anhydrides and thiophenol resulted in pyrimidine ring opening followed by exocyclic ring closure. Ammonolysis gave 5-amino-4-(5-substituted-1,2,4-oxadiazol-3-yl)-1-(beta-D-ribofuranosyl) imidazole derivatives, whereas iodine in methanol selectively unmasked the 5-amino group. Related flexible nucleoside analogues can be prepared from adenine-type precursors.

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