Zobrazeno 1 - 10
of 17
pro vyhledávání: '"F. S. Levinson"'
Autor:
F. S. Levinson, E. A. Berdnikov, Igor A. Litvinov, Irina V. Galkina, Vladimir I. Galkin, R. A. Cherkasov, Dmitry B. Krivolapov, E. V. Tudrii, L. M. Yusupova
Publikováno v:
Russian Journal of Organic Chemistry. 48:721-727
Reactions of 5,7-dichloro-4,6-dinitrobenzofuroxane and 5,7-dichloro-4,6-dinitrobenzofurazane with triphenylphosphine proceed through a nucleophilic aromatic substitution of chlorine and nitro groups in the sixmembered ring of the heterocycles. The st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4c53ad10a95e447b468815dcad08085
https://doi.org/10.1134/s1070428012050156
https://doi.org/10.1134/s1070428012050156
Autor:
Andrei A. Vasil'ev, Marina I. Struchkova, Aleksei B. Sheremetev, F. S. Levinson, Roman V. Varganov, Konstantin A. Lyssenko
Publikováno v:
Russian Chemical Bulletin. 60:2306-2314
The palladium-catalyzed cross-coupling reactions of 3-[bromo(het)aryl]furazans and bromobenzofurazans with arylboronic acids afford target biaryls in good yields. 3-Bromo-4-phenylfurazan containing a bromine atom in the furazan ring undergoes decompo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dc14818ccc0e4caaa4471678e720720
https://doi.org/10.1007/s11172-011-0353-y
https://doi.org/10.1007/s11172-011-0353-y
Publikováno v:
Journal of Analytical Chemistry. 66:585-589
The influence of eluent nature and polarity, water concentration in an aqueous-organic mixture, and its pH on the retention of 5,7-dinitrobenzofurazane derivatives of a number of aromatic amines under the conditions of RP HPLC is revealed. A procedur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb18bcbd306fa0b393a4e798facbec81
https://doi.org/10.1134/s1061934811070069
https://doi.org/10.1134/s1061934811070069
Publikováno v:
Journal of Analytical Chemistry. 61:133-138
The retention times of 5,7-dinitrobenzofurazan and nitrobenzodifurazan derivatives of aromatic amines in reversed-phase high-performance liquid chromatography on a column filled with Hypersil ODS correlate with the acidity constants of these derivati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96eb87c3567c87cbba89b0fa2efe0d15
https://doi.org/10.1134/s1061934806020080
https://doi.org/10.1134/s1061934806020080
Publikováno v:
Pharmaceutical Chemistry Journal. 37:578-581
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::178faf2c3ab8c9ba2253386988b204cc
https://doi.org/10.1023/b:phac.0000016066.53022.f5
https://doi.org/10.1023/b:phac.0000016066.53022.f5
Autor:
S. I. Efimov, E. A. Ermolaeva, I. F. Falyakhov, M. I. Evgen'ev, F. S. Levinson, T. V. Garipov, R. G. Karimova
Publikováno v:
Pharmaceutical Chemistry Journal. 37:522-525
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::058caf9ef19bf040f5ab18b61eb1aa78
https://doi.org/10.1023/b:phac.0000014855.66913.83
https://doi.org/10.1023/b:phac.0000014855.66913.83
Autor:
Aidar T. Gubaidullin, Igor A. Litvinov, B. I. Buzykin, F. S. Levinson, S. I. Efimov, Dmitry B. Krivolapov
Publikováno v:
Russian Chemical Bulletin. 51:105-110
The molecular and crystal structures of 5,7-dichloro-4-nitro-2,1,3-benzoxadiazole and products of its reactions with hexamethyleneimine and dimethylamine were established by X-ray diffraction analysis. The molecular structures and the systems of hydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7a96ea3c2f0df7f17483cc64ecee759
https://doi.org/10.1023/a:1015017931597
https://doi.org/10.1023/a:1015017931597
Publikováno v:
Journal of Analytical Chemistry. 55:799-805
The conditions for the determination of norsulfazol (I), sulfadimezine (II), ethazole (III), sulfamethoxypyridazine (IV), sulfadimethoxine (V), sodium sulfacyl (VI), sulfalene (VII), sulgin (VIII), and bucarban (IX) as their derivatives of 4,6-dinitr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e15babb752640002912b5b429092d0d9
https://doi.org/10.1007/bf02757919
https://doi.org/10.1007/bf02757919
Autor:
Igor A. Litvinov, Marsel M. Zakiev, Ilmira M. Shakirova, Roman V. Varganov, Dmitry B. Krivolapov, D. E. Dmitriev, Yurii Ya. Efremov, Aleksei B. Sheremetev, F. S. Levinson, Dilyara R. Sharafutdinova
Publikováno v:
Mendeleev Communications. 18:329-331
The treatment of 4-nitrobenzofurazan with secondary amines resulted in the formation of 4-amino-5,7-bis(dialkylamino)-benzofurazans, as established by X-ray diffraction analyses; this is the first example of SNH reaction with synchronous alteration o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51fb77a8d253fed4c5d021512943b5b4
https://doi.org/10.1016/j.mencom.2008.11.015
https://doi.org/10.1016/j.mencom.2008.11.015
Publikováno v:
Russian Journal of General Chemistry. 75:933-935
The products of the reactions of picryl chloride with isomeric aminobenzofurazanes in DMF and DMSO were studied by means of nonaquoeus potentiometric titration. The effect of the position of the furazane fragment in 4- and 5-picrylaminobenzofurazanes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bf2bf9d93eddb5b1d579e0a56a75529
https://doi.org/10.1007/s11176-005-0347-2
https://doi.org/10.1007/s11176-005-0347-2