In an article, author is Jayabharathi, Jayaraman, once mentioned the application of 60-56-0, Category: imidazoles-derivatives, Name is 1-Methyl-1H-imidazole-2(3H)-thione, molecular formula is C4H6N2S, molecular weight is 114.1688, MDL number is MFCD00179321, category is imidazoles-derivatives. Now introduce a scientific discovery about this category.
Fluorescence spectral studies of some imidazole derivatives
The photophysical properties of imidazole derivatives namely 2-(2,4-difluorophenyl)-4,5-dimethyl-1-p-tolyl-1H-imidazole and N,N-dimethyl-4-(4,5-dimethyl-2-phenyl-1H-imidazol-1-yl)benzenamine,synthesized from an unusual four components assembling, were studied in several solvents. Polarization also plays major role in the increase of excited-state dipole moment (mu(e)). From the spectral results, it was found that there is equilibrium between neutral species and monocationic (MC) species in polar aprotic and polar protic solvents. The basicity of the solvent, C-beta or C-SB has a negative value, suggesting that the absorption and fluorescence bands shift to lower energies with increasing electron-donating ability of the solvent. Therefore, resonance structures 1b and 2b has the positive charge located at the nitrogen atom stabilized in basic solvents. (C) 2012 Elsevier B.V. All rights reserved.
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