Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Yu. S. Zubenko"'
Autor:
Vladimir I. Potkin, P. V. Kurman, S. G. Pashkevich, Yu. S. Zubenko, V. A. Kulchitskiy, Tatiana A. Gurinovich, A. V. Kletskov, Sergey K. Petkevich
Publikováno v:
Russian Journal of Organic Chemistry. 50:1667-1676
Accessible 5-phenyl(p-tolyl)isoxazol-3-carboxylic, 4,5-dichlorothiazol-3-carboxylic and 5-(benzylsulfanyl)-4-chlorothiazol-3-carboxylic acids were converted via a series of cascade transformations into the corresponding (1,2-azolyl)-3-carbonyl azides
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c033112e53910461bbb1da769e815929
https://doi.org/10.1134/s1070428014110219
https://doi.org/10.1134/s1070428014110219
Autor:
Vladimir I. Potkin, S. G. Pashkevich, N. A. Zhukovskaya, E. A. Dikusar, A. V. Kletskov, Yu. S. Zubenko, Vladimir V. Kazbanov, Sergey K. Petkevich
Publikováno v:
Russian Journal of Organic Chemistry. 49:1523-1533
Acylation of benzene and toluene with 5-phenyl- and 5-(p-tolyl)isoxazole-3-carbonyl chlorides gave 5-phenyl(or p-tolyl)isoxazol-3-yl phenyl(or p-tolyl)ketones which were reduced to the corresponding alcohols with sodium tetrahydridoborate in propan-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8834cbdacfe4572c69fc1b04b907f38
https://doi.org/10.1134/s1070428013100205
https://doi.org/10.1134/s1070428013100205
Autor:
Vladimir I. Potkin, M. O. Chotyanovich, Vladimir A. Kulchitsky, A. V. Kletskov, Yu. S. Zubenko, Sergey K. Petkevich
Publikováno v:
Russian Journal of Organic Chemistry. 49:283-287
Reactions of 4,5-dichloroisothiazol-3-ylcarbonitrile with methylmagnesium iodide and ethylmagnesium bromide afforded the corresponding alkyl (4,5-dichloroisothiazol-3-yl) ketones. The reaction of (4,5-dichloroisothiazol-3-yl) methyl ketone with morph
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9a08f6ff6ca35af243874b53da9ad4d
https://doi.org/10.1134/s1070428013020176
https://doi.org/10.1134/s1070428013020176
Publikováno v:
Journal of Analytical Chemistry. 65:565-570
It has been shown that the NO3− and Cl− ions in methylpyperidine, cetylmorpholine, quinuclidine, and triethyl quaternary ammonium salts (QAS) are characterized by approximately equal exchange constants KCl−NO3− despite a significant differenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eeb5ec9623dee7b6548fe50605bc7bfe
https://doi.org/10.1134/s1061934810060031
https://doi.org/10.1134/s1061934810060031
Autor:
Yu. S. Zubenko, Vladimir I. Potkin
Publikováno v:
Synthesis. 2009:2361-2364
Fluoride-mediated nucleophilic substitution reactions of tert-butyl 4,5-dichloroisothiazole-3-carboxylate with various amines occur under mild conditions yielding 5-(alkylamino)isothiazoles in moderate to high yields.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6aba13512e776f7a44e02408abbf3794
https://doi.org/10.1055/s-0029-1216844
https://doi.org/10.1055/s-0029-1216844
Autor:
Vladimir I. Potkin, Yu. S. Zubenko
Publikováno v:
Russian Journal of Organic Chemistry. 45:555-558
4,5-Dichloro-1,2-thiazol-3-amine was synthesized starting from accessible 4,5-dichloro-1,2-thiazole-3-carbonyl azide and -3-carboxamide via Curtius and Hofmann rearrangements, respectively. The procedure involving Curtius rearrangement was found to b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f7292649265781f8a362c4e6aac536d
https://doi.org/10.1134/s1070428009040149
https://doi.org/10.1134/s1070428009040149
Publikováno v:
Russian Journal of Physical Chemistry A. 83:1794-1799
It was found that the size of quaternary ammonium salt cations strongly influenced the log\( K_{Cl^ - }^{NO_3^ - } \) value, which was explained by the special features of ionic association in the organic phase. The use of 3,4,5-tridodecyloxybenzyltr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4eca8436bb879495af722809a7201cec
https://doi.org/10.1134/s003602440910029x
https://doi.org/10.1134/s003602440910029x
Publikováno v:
Russian Journal of Organic Chemistry. 44:1211-1214
4,5-Dichloro-3-trichloromethylisothiazole reacted with piperidine, morpholine, pyrrolidine, and piperazine in DMF to give 81–96% of the corresponding 5-amino-4-chloro-3-trichloromethylisothiazoles as a result of selective nucleophilic replacement o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2907e61dd5a2d3805d220a05a7ea8bb8
https://doi.org/10.1134/s1070428008080186
https://doi.org/10.1134/s1070428008080186
Publikováno v:
Russian Journal of Organic Chemistry. 44:1038-1042
By treating with phosphorus pentoxide the 4,5-dichloroisothiazole-3-carboxamide 4,5-dichloro-3-cyanoisothiazole was synthesized whose reactions with piperidine, phenyl-and benzylthiols occurred with replacement of the chlorine atom in the position 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a3dd3dbab0a15789709983dda0bc812
https://doi.org/10.1134/s1070428008070154
https://doi.org/10.1134/s1070428008070154
Publikováno v:
Russian Journal of Organic Chemistry. 43:1532-1536
By acylation of benzene, toluene, and p-xylene with 4,5-dichloroisothiazole-3-carbonyl chloride the corresponding aryl 4,5-dichloroisothiazol-3-yl ketones were obtained. By reaction of 4,5-dichloroisothiasol-3-yl 4-methylphenyl ketone with piperidine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb32f29f3c8ec9de18ccc4b09e71daa0
https://doi.org/10.1134/s1070428007100211
https://doi.org/10.1134/s1070428007100211