Zobrazeno 1 - 10 of 107 pro vyhledávání: '"S A, Mel'nikova"'
5
Synthesis of linear and cyclic compounds containing the 3,4-bis(furazan-3-yl)furoxan fragment
Autor: I. V. Tselinskii, N. P. Spiridonova, S. F. Mel’nikova, D. V. Dashko, A. A. Astrat’ev, A. I. Stepanov
Publikováno v: Russian Chemical Bulletin. 61:1024-1040
Some chemical transformations of 3,4-bis(4-aminofurazan-3-yl)furoxan (1) and 3,4-bis-(4-nitrofurazan-3-yl)furoxan (2) were considered. Compounds 1 and 2 are valuable synthons for the preparation of linear and cyclic compounds containing the 3,4-bis(f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64c1487f7e5fc4f93d11384666b5613a
https://doi.org/10.1007/s11172-012-0132-4
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6
Synthesis of new quinoxaline derivatives
Autor: S. F. Mel’nikova, Olga Laskina, I. V. Tselinskii
Publikováno v: Russian Journal of Organic Chemistry. 48:278-283
Proceeding from 2-aminoquinoxaline-3-carbonitrile 1,4-dioxides new derivatives of quinoxaline and quinoxaline 1,4-dioxide were synthesized containing in the position 3 of the quinoxaline fragment 1,2,4-oxadiazole and tetrazole rings. The acylation of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5e6f9317c96934d419350fe660322bf
https://doi.org/10.1134/s1070428012020194
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7
Synthesis and study of thermal stability of 3-nitro-1,2,4-triazole N-nitroxy-and N-azidomethyl derivatives
Autor: I. V. Tselinskii, S. M. Putis, V. V. Tolstyakov, S. F. Mel’nikova
Publikováno v: Russian Chemical Bulletin. 58:2356-2361
A method for the preparation of new 3-nitro-1,2,4-triazole derivatives has been suggested based on modification of the N-hydroxymethyl group by nitration and nucleophilic substitution reactions. Thermal stability of 3-nitro-1,2,4-triazole N-nitroxy-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf9762d35b958c84bda8591d536477f5
https://doi.org/10.1007/s11172-009-0327-5
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9
Reactions of Furoxandicarbaldehyde Dioxime with Dehydrating Agents
Autor: S. F. Mel'nikova, E. V. Sizova, I. V. Tselinskii, T. V. Romanova
Publikováno v: Russian Journal of Organic Chemistry. 41:1802-1805
Dehydration of furoxan-3,4-dicarbaldehyde dioxime by the action of thionyl chloride or trifluoroacetic anhydride in the presence of a base under certain conditions can be stopped at the stage of formation of 4(3)-hydroxyiminomethylfuroxan-3(4)-carbon
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2d71291f4e1e623f84ee5ea0805818a
https://doi.org/10.1007/s11178-006-0040-x
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10
Use of 13C NMR Spectroscopy to Establish the Structure of 6(7)-R-Quinoxaline N,N′-Dioxides
Autor: S. F. Mel'nikova, P. M. Panasyuk, I. V. Tselinskii
Publikováno v: Chemistry of Heterocyclic Compounds. 41:909-913
The effect of substituents in position 6 on the positions of the signals of the carbon atoms in the 13C NMR spectra of substituted 1,2,3,4-tetrahydro-5,10-phenazine N,N′-dioxides has been analyzed, increments of substituents have been found, and a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98f04739060ac4bae95d0f3c24557e60
https://doi.org/10.1007/s10593-005-0247-8
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