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. 3543-73-5, Name is Ethyl 4-(5-amino-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate, formurla is C14H19N3O2. In a document, author is Mohan, S., introducing its new discovery. Product Details of 3543-73-5.
Nano-Silica Catalyzed Synthesis, Solvent Effect, NMR Spectral and DFT Studies of Some Imidazole Derivatives
A series of novel imidazole derivatives has been designed and synthesized using nano-SiO2 as an efficient catalyst. Synthesized compounds have been characterized by H-1 and C-13-NMR spectral studies. The significant features of this nanocatalyst are high product yield, short reaction times and a vast range of substrates usage. Proton and C-13 chemical shifts of the synthesized compounds were calculated. The absorption and emission properties of imidazole derivatives were studied in several solvents. Polar solvents favor the stabilization of excitation of the imidazole derivative. Decrease in the total dipole moment of the solvent molecules (non-polar solvents) results in the change of the molecular charge distributions of the imidazole derivatives. Optimization of 4,5-dimethyl-2-phenyl-1-m-tolyl-1H-imidazole (1) was performed by DFT at B3LYP/6-31G (d, p) using Gaussian-03.
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