Výsledky vyhledávání - "S. V. Shelyazhenko"

Reaction of N-sulfonyl-1,4-benzoquinone imines with sodium azide

Autor: V. V. Pirozhenko, S. V. Shelyazhenko, Svetlana A. Konovalova, O. N. Mikhailichenko, A. P. Avdeenko, A. L. Yusina

Publikováno v: Russian Journal of Organic Chemistry. 52:15-24

Depending on the conditions and the order of addition of the reactants, reactions of N-sulfonyl-1,4-benzoquinone imines with sodium azide afforded N-(3-azido-4-hydroxyphenyl)alkane(arene)sulfonamides, N-(3-azido-4-oxocyclohexa-2,5-dienylidene)alkane(

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::942da935145d4186ab294b1f07a54651
https://doi.org/10.1134/s1070428016010048

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Reactions of N-aryl(methyl, trifluoromethyl)sulfonyl-1,4-benzoquinone monoimines with sodium sulfinates

Autor: Lev M. Yagupolskii, A. P. Avdeenko, S. V. Shelyazhenko, O. N. Mikhailichenko, Svetlana A. Konovalova, V. V. Pirozhenko

Publikováno v: Russian Journal of Organic Chemistry. 48:221-233

In reactions with sodium sulfinates of N-substituted 1,4-benzoquinone monoimines with the quinoid ring having free positions 2 and/or 6 the fraction of products of 1,4-addition of the sulfinate ion grows in the series ArSO2 → MeSO2 → CF3SO2. In t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0f475fb6e4edcc94e2654700539c17d6
https://doi.org/10.1134/s107042801202011x

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Synthesis and thiocyanation of N-alkyl(trifluoromethyl)sulfonyl 1,4-benzoquinone monoimines

Autor: V. V. Pirozhenko, L. M. Yagupol'skii, A. P. Avdeenko, Svetlana A. Konovalova, S. V. Shelyazhenko, O. N. Mikhailichenko

Publikováno v: Russian Journal of Organic Chemistry. 47:510-519

New N-alkyl(trifluoromethyl)sulfonyl 1,4-benzoquinone monoimines were synthesized, and their thiocyanation gave 5-alkyl(trifluoromethyl)sulfonylamino-1,3-benzoxathiol-2-ones. An intermediate thiocyanation product, 5-trifluoromethylsulfonylamino-1,3-b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::018f7a2aa1d2364fe8b507142dfa4ecd
https://doi.org/10.1134/s1070428011040075

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Preparation and use ofα-bromomono- and-bromobis-difluoromethoxyacetophenones in the synthesis of polymethyleneimidazoles with an angular nitrogen atom

Autor: Konstantin G. Nazarenko, L. M. Yagupol'skii, A. M. Demchenko, Yu. A. Fialkov, D. V. Fedyuk, S. V. Shelyazhenko

Publikováno v: Chemistry of Heterocyclic Compounds. 33:1191-1195

The synthesis of α-bromo-4-difluoromethoxy- and α-bromo-2,4-bis(difluoromethoxy)acetophenones has been carried out. Conditions have been studied for condensing the latter with cyclic tri- and tetramethylenamidinines and with pyridine-containing der

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d6e3ee14350601b2f71364085cbc7f0
https://doi.org/10.1007/bf02290868

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Synthesis and Properties of new Halogenated Liquid Crystals

Autor: Vladimir F. Petrov, N. I. Smirnova, A. I. Pavluchenko, R. Bucheker, S. V. Shelyazhenko, Martin Schadt, Yu. A. Fialkov

Publikováno v: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 265:41-45

Several new classes of low polar, low viscous and optically weak anisotropic two- and three-ring halogenated liquid crystals containing terminal group -OCF2Cl are presented. Their material properties are investigated and compared with those of other

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a2500fd1e8add9c503b546fd1986f5e
https://doi.org/10.1080/10587259508041676

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ChemInform Abstract: Synthesis and Reactions of Difluoromethoxy and Chlorodifluoromethoxy Derivatives of Benzene

Autor: L. M. Yagupol'skii, Yu. A. Fialkov, S. V. Shelyazhenko

Publikováno v: ChemInform. 24

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::65927a2026ba98f1d00a0f99f7c004c2
https://doi.org/10.1002/chin.199334133

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ChemInform Abstract: Preparation and Application of α-Bromomono- and -bisdifluoromethoxyacetophenones in the Course of Synthesis of Polymethyleneimidazoles Containing a Bridge Nitrogen Atom

Autor: Konstantin G. Nazarenko, L. M. Yagupol'skii, Yu. A. Fialkov, D. V. Fedyuk, A. M. Demchenko, S. V. Shelyazhenko

Publikováno v: ChemInform. 29

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18633fa3eee7f08ef9a1f51f1fd02213
https://doi.org/10.1002/chin.199815119

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Synthesis and Properties of Liquid Crystals with Fluorinated Terminal Substituents

Autor: Vladimir F. Petrov, Yu. A. Fialkov, S. V. Shelyazhenko, N. I. Smirnova, L. M. Yagupolsky, A. I. Pavluchenko

Publikováno v: Molecular Crystals and Liquid Crystals. 209:225-235

The paper reports synthesis of LC derivatives of different chemical classes containing terminal groups ‒OCHF2, ‒OCF3, ‒SCHF2, ‒OCnF2n +1 and ‒CnF2n + 1 and indicates their phase transition points and physico-chemical properties.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cab6c0e3e947ec874c7a1d45215dc3bb
https://doi.org/10.1080/00268949108036197

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