Search Results - "Mazepa, Aleksander V."

Novel rearrangement of 1,3-benzo(naphtho)dioxin-4(1)-ones under Vilsmeier-Haack reagent by Farat, Oleg K., Kovtun, Anton V., Varenichenko, Svetlana A., Mazepa, Aleksander V., Markov, Victor I.

“…Polyfunctional derivatives of xanthenes and benzoxanthenes in the form of organic perchlorates have been obtained by the interaction of…”
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Promising approach to the synthesis of unknown 2-(2, 2′-diamino-4,5′-dipyrimidin-6-yl)phenols(naphthols) and 2-amino-6-(2-hydroxyphenyl)-4-(4-nitrophenyl)nicotinonitriles by Zahorulko, Serhii P., Varenichenko, Svetlana A., Farat, Oleg K., Mazepa, Aleksander V., Markov, Victor I.

“…Novel derivatives of 2-(2,2′-diamino-4,5′-bipyrimidin-6-yl)phenols(naphthols) were obtained in the reaction of (4-amino-2 H -(benzo[ g…”
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Novel xanthene-like dyes: synthesis and spectral properties by Farat, Oleg K., Kovtun, Anton V., Varenichenko, Svetlana A., Hovor, Iryna V., Skrypynets, Yuliia V., Aleksandrova, Darya I., Leonenko, Inna I., Yegorova, Alla V., Mazepa, Aleksander V., Markov, Victor I.

“…New xanthene-like dyes were synthesized by the reaction of N -[(9-chloro (bromo)-2,3-dihydro-1 H -xanthene(chromen)-4-yl)-methylene]- N -methylmethanaminium…”
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Recyclization of 4H-chromen-4-imine derivatives under the influence of dinucleophiles with the formation of functionally substituted pyrazoles by Zahorulko, Serhii P., Varenichenko, Svetlana A., Farat, Oleg K., Mazepa, Aleksander V., Markov, Victor I.

“…It has been established that the recyclization of 2-aryl-4 H -chromen-4-imines under the influence of thiosemicarbazide as N-dinucleophile is completed by the…”
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Reactions of 2Н(4Н)-chromenes with dinucleophiles: one-step synthesis of 2-(1H-(bi)pyrazol-3-yl)- and 2-(1,4(5)-(benzo)diazepin-4-yl)phenols by Zahorulko, Serhii P., Varenichenko, Svetlana А., Farat, Oleg K., Mazepa, Aleksander V., Okovytyy, Sergiy I., Markov, Victor I.

“…Novel derivatives of 2-(1 H -(bi)pyrazol-3-yl)phenols and 2-(1,4(5)-(benzo)diazepin-4-yl)phenols were obtained in the reaction of (4-amino-2 H…”
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Single-stage synthesis of 3-hydroxy- and 3-alkoxy-5-arylimidazolidine-2,4-diones by reaction of arylglyoxal hydrates with N-hydroxy- and N-alkoxyureas by Shtamburg, Vasiliy G., Shtamburg, Viktor V., Anishchenko, Andrey A., Zubatyuk, Roman I., Mazepa, Aleksander V., Klotz, Eugene A., Kravchenko, Svetlana V., Kostyanovsky, Remir G.

“…Arylglyoxal hydrates interact with N -alkoxyureas and N -hydroxyurea in acetic acid with selective formation of 3-alkoxy-5-arylimidazolidine-2,4-diones and…”
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