Zobrazeno 1 - 10
of 55
pro vyhledávání: '"O. V. Kayukova"'
Publikováno v:
Agrarian science. 1:147-153
Relevance. Russian farmers in recent years have begun to open small cheese factories. When meeting the requirements of production technology, farmers' cheeses are not inferior in quality to industrially produced cheeses. In this regard, the relevance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc3a49dc69d901ba30eab7452a6b9364
https://doi.org/10.32634/0869-8155-2022-364-11-147-153
https://doi.org/10.32634/0869-8155-2022-364-11-147-153
Publikováno v:
Russian Journal of Organic Chemistry. 56:1187-1190
Base-catalyzed reaction of 3-aroyl-6-halopyridine-3,5-dicarbonitriles with alcohols involved successive regioselective pyrrole ring fusion at the pyridine [c] side and nucleophilic substitution of chlorine. Pyrrole ring closure is the result of initi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99aae1afc84209ab20a8d8927ac7dac2
https://doi.org/10.1134/s1070428020070106
https://doi.org/10.1134/s1070428020070106
Publikováno v:
Russian Journal of Organic Chemistry. 56:1313-1316
The reaction of 4-acyl-2-amino-6-chloropyridine-3,5-dicarbonitriles with aromatic thiols in 1,4-dioxane in the presence of triethylamine led to the formation of 4-acyl-2-amino-6-(arylsulfanyl)pyridine-3,5-dicarbonitriles.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d63443fbd567d4aaeb961fe6cf41044
https://doi.org/10.1134/s1070428020070283
https://doi.org/10.1134/s1070428020070283
Publikováno v:
Russian Journal of Organic Chemistry. 56:1859-1861
Successive treatment of potassium 1,1,3,3-tetracyano-2-(2-(methoxycarbonyl)benzoyl)prop-2-enide with concentrated sulfuric acid and water gave 2-(5′-amino-4′-cyano-3-oxo-3H,3′H-spiro[[2]benzofuran-1,2′-furan]-3′-ylidene)propanedinitrile. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::76394e9a34fff56c5789ef15a8569c75
https://doi.org/10.1134/s1070428020100322
https://doi.org/10.1134/s1070428020100322
Publikováno v:
Russian Journal of Organic Chemistry. 56:1112-1114
1-Alkoxy-4-amino-3,6-dioxo-1-phenyl-2,3,5,6-tetrahydro-1H-pyrrolo[3,4-c]pyridine-7-carbonitriles have been synthesized with high yields by reaction of 4-amino-1-hydroxy-3,6-dioxo-1-phenyl-2,3,5,6-tetrahydro-1H-pyrrolo[3,4-c]pyridine-7-carbonitrile wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fd781562a4bf8d0c64415ef32295f22
https://doi.org/10.1134/s1070428020060226
https://doi.org/10.1134/s1070428020060226
Autor:
Yakov S. Kayukov, O. V. Kayukova, S. V. Karpov, Victor A. Tafeenko, Ekaterina S. Shchegravina, Anastasiya L. Nikiforova, Arthur A. Grigor’ev
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:167-171
4-Acyl-2-amino-6-chloropyridine-3,5-dicarbonitriles underwent heterocyclization in the presence of ammonia in aqueous dioxane medium, involving the ortho-ketonitrile fragment while preserving the halogen atom. The pyrrole ring annulation process proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32d9cb367f8040ae07d50412c062c772
https://doi.org/10.1007/s10593-019-02434-4
https://doi.org/10.1007/s10593-019-02434-4
Autor:
A. N. Vasil'ev, O. V. Kayukova, Oleg E. Nasakin, Arthur A. Grigor’ev, Ya. S. Kayukov, S. V. Karpov, Yu. A. Gracheva
Publikováno v:
Russian Journal of Organic Chemistry. 54:795-798
Successive treatment of 3-acylcyclopropane-1,1,2,2-tetracarbonitriles with sodium hydrogen carbonate and alkylmercaptan in water environment results in the formation of 2-(5-amino-2-aryl-2-alkyl-sulfanyl-4-cyano-2,3-dihydrofuran-3-ylidene)propanedini
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d0dfc08a997bd61a07a67fb69a97720
https://doi.org/10.1134/s1070428018050226
https://doi.org/10.1134/s1070428018050226
Publikováno v:
Vestnik of the Mari State University. Chapter “Agriculture. Economics”. 4:22-26
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2258a4b2885105f4731354d349f75bbc
https://doi.org/10.30914/2411-9687-2018-4-3-22-26
https://doi.org/10.30914/2411-9687-2018-4-3-22-26
Autor:
O. V. Kayukova, Victor A. Tafeenko, Anastasiya L. Nikiforova, Oleg E. Nasakin, S. V. Karpov, Ekaterina S. Shchegravina, Yakov S. Kayukov, Arthur A. Grigor’ev
Publikováno v:
Chemistry of Heterocyclic Compounds. 53:568-574
The reaction of 2-acyl(aroyl)-1,1,3,3-tetracyanopropenides with gaseous hydrogen halides was used to obtain 2-amino-3-aroyl(acyl)-6-halopyridine-3,5-dicarbonitriles, which were subsequently converted to the respective 4-amino-1-aryl-6-halo-1-hydroxy-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7c4c26d04f9d3b753c66e61cb724a09
https://doi.org/10.1007/s10593-017-2093-x
https://doi.org/10.1007/s10593-017-2093-x
Autor:
O. V. Kayukova, Ya. S. Kayukov, S. V. Karpov, Viktor A. Tafeenko, Arthur A. Grigor’ev, Oleg E. Nasakin
Publikováno v:
Russian Journal of Organic Chemistry. 54:503-505
The reaction of potassium 2-(2,2-dimethylpropanoyl)-1,1,3,3-tetracyanopropenide with an equimolar amount of 2-sulfanylethanol afforded 2-{5-amino-2-(tert-butyl)-4-cyano-2-[(2-hydroxyethyl)sulfanyl]- 2,3-dihydrofuran-3-ylidene}propanedinitrile, wherea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c8c24d06854b37d8f547c996db27105
https://doi.org/10.1134/s107042801803020x
https://doi.org/10.1134/s107042801803020x