A series of 2,4-dimethoxy phenyl chalcones have been synthesized by Crossed-Aldol condensation of 2,4-dimethoxy phenyl and various substituted benzaldehydes. The purities of these chalcones have been checked by their physical constants, UV, IR, NMR and MASS spectral data. The spectral data of these chalcones have been correlated with Hammett sigma constants, F and R parameters using single and multi-linear regression analysis. From the results of statistical analysis, the effects of substituents on the spectral group frequencies have been discussed. The anti-microbial activities of these chalcones have been evaluated using Bauer-Kirby method.
Some 2ʹ,5ʹ-dimethyl phenyl chalcones have been synthesized by Crossed-Aldol condensation between 2,5-dimethyl acetophenone and various substituted benzaldehydes using catalytic amount of sodium hydroxide and ethanol. The yields of the chalcones are more than 93 %. The purities of these chalcones have been checked by their physical constants, UV, IR, NMR and MASS spectral data. The spectral data of these chalcones have been correlated with Hammett sigma constants, F and R parameters using single and multi-linear regression analysis. From the results of statistical analysis, the effects of substituents on the spectral group frequencies have been discussed. The anti-microbial activities of these chalcones have been evaluated using Bauer-Kirby method.
A series of 1-pyrenyl chalcones have been synthesized by Crossed-Aldol condensation of 1-acetylpyrene and substituted benzaldehydes. The purities of these chalcones have been checked by their physical constants, UV, IR, NMR and MASS spectral data. The spectral data of these chalcones have been correlated with Hammett sigma constants, F and R parameters using single and multi-linear regression analysis. From the results of statistical analysis, the effect of substituents on the spectral group frequencies have been discussed. The anti-microbial activities of these chalcones have been evaluated using Bauer-Kirby method.
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Two diazaphenanthrenesulfonamides have been synthesized. For calculation of theoretical UV values of these compounds the AM1 CI method has been used; their geometry optimisation was made with AM1 CI and DFT B-3 LYP methods.
PL
Przeprowadzono syntezę dwóch diazafenantrenosulfonamidów. W celu obliczenia teoretycznych wartości widm UV tych związków użyto metodę AM1 CI; optymalizację ich geometrii wykonano metodami AM1 CI i DFT B-3 LYP.
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For three isomeric nitrodiazaphenanthrenes 4-6 and their four homologues 7-10 the calculation of UV spectral values and their electronic structure, as well as the geometry optimisation has been made using AM1 CI method.
PL
Dla trzech izomerycznych nitrodiazafenantrenów 4-6 i ich czterech homologów 7-10 obliczono wartości dotyczące spektroskopii w nadfiolecie i strukturę elektronową oraz wykonano optymalizację geometrii stosując metodę AM1 CI.
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