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476  Articles
1 of 49 pages  |  10  records  |  more records»
The barrier to internal rotation around the central C2–C3 single bond of a series of (1E)-monosubstituted 1,3-butadienes and (1E,3E)-1-Y-4-X-disubstituted butadienes, with Y=NH2 or OCH3 and X=NO2, CHO, COOH, CN, CF3, Cl or F, were studied at the density f... see more

The constants of ionization pKBH + of substituted 6,9-dichloracridines have been determined in the mixed ethanol – water solvent (50 mole percent of ethanol) at the temperature of 25°C by the method of potentiometric titration. It has been shown that thes... see more

The constants of ionization pKBH + of substituted 6,9-dichloracridines have been determined in the mixed ethanol – water solvent (50 mole percent of ethanol) at the temperature of 25°C by the method of potentiometric titration. It has been shown that thes... see more

The solvatochromic responses of six indicators namely Sudan orange, Alizarin yellow R, Aurin tricarboxylic acid, Alizarin yellow GG, Titan yellow and Eriochrome black-T, dissolved in seven solvents of different polarities, have been measured at room tempe... see more

This study is devoted to development of the optimal conditions for synthesis and the study of some “structure – antioxidant activity” regularities of [(1-arylimidazole-5-yl)methylthio]alkane carboxylic acids, which structural analogues have found an appli... see more

The reactivity of substituted 5,7-dichloro-9-hydrazine acridine that exhibit various pharmacological activity by studying acid-base equilibria in the ethanol-water binary solvent (50 mol % ethanol) at 250? using the method of potentiometric titration has ... see more

The reactivity of substituted 5,7-dichloro-9-hydrazine acridine that exhibit various pharmacological activity by studying acid-base equilibria in the ethanol-water binary solvent (50 mol % ethanol) at 250? using the method of potentiometric titration has ... see more

For the first time 2-arylhydrazones of 1R-3-(4-pyridinyl)-1,2,3-propanetrion have been synthesized with the help of Japp-Klingemann reaction. They are characterized by the keto-hydrazone structure, but since the initial dicarbonyl compound is asymmetric, ... see more

This short review outlines the main results obtained by our research group over the last 15 years in the field of porphyrins and metal porphyrins for second order nonlinear optics (NLO). This overview aims to provide a general framework of the key factors... see more

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