Výsledky vyhledávání - "O. G. Kuzueva"

Reactions of fluorine-containing 3-oxo esters with aldehydes

Autor: O. G. Kuzueva, M. Yu. Antipin, V. I. Saloutin, Ya. V. Burgart, M. V. Pryadeina, Konstantin A. Lyssenko

Publikováno v: Journal of Fluorine Chemistry. 117:1-7

Fluoroalkylcontaining 3-oxo esters react with aldehydes to form 2-benzylidene-3-fluoroacyl-esters or 4-aryl(alkyl)-3,5-dialkoxycarbonyl-2,6-dihydroxy-2,6-di(fluoroalkyl)tetrahydropyranes depending on the conditions. Ethyl pentafluorobenzoylacetoaceta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2fb508b5b44c74139114dadbe63451fc
https://doi.org/10.1016/s0022-1139(02)00149-5

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[Untitled]

Autor: V. I. Saloutin, Ya. V. Burgart, M. V. Pryadeina, O. G. Kuzueva

Publikováno v: Russian Journal of Organic Chemistry. 38:224-231

Fluorinated 3-oxoesters in reactions with benzaldehyde depending on conditions afford either 2-benzylidene-3-fluoroalkyl-3-oxoesters or 3,5-dialkoxycarbonyl-2,6-dihydroxy-2,6-difluoroalkyl-4-phenyltetrahydropyrans. The latter were also obtained by tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::72fea7afbac79fcaaee703aaf0d3d83d
https://doi.org/10.1023/a:1015565700648

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[Untitled]

Autor: C. O. Kappe, Ya. V. Burgart, M. V. Pryadeina, V. I. Saloutin, O. G. Kuzueva

Publikováno v: Russian Journal of Organic Chemistry. 37:869-880

Hexafluoroacetylacetone reacts with urea (thiourea) to yield respectively 4,6-bis(hydroxy)-4,6-bis(trifluoromethyl)hexahydropyrimidin-2-one(thione). The dehydration of the products and also reaction of nonsymmetrical fluoroalkyl-containing 1,3-diketo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a7738d8126f6a591064a6250df84a08
https://doi.org/10.1023/a:1012473901354

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[Untitled]

Autor: Oleg N. Chupakhin, O. G. Kuzueva, V. I. Saloutin, Ya. V. Burgart

Publikováno v: Chemistry of Heterocyclic Compounds. 37:1130-1135

4,5-Bis(hydroxy)-4-trifluoromethyl-6-(fluoroalkyl)hexahydropyrimidin-2-ones (thiones) have been obtained for the first time by the reaction of ureas (thioureas) with di(fluoroalkyl)-substituted 1,3-diketones and tetraols, the dehydration of which gav

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6092e91e1c5231a9b589e716bfaa48a0
https://doi.org/10.1023/a:1013235901570

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Biginelli condensations of fluorinated 3-oxo esters and 1,3-diketones

Autor: C. O. Kappe, Ya. V. Burgart, O. G. Kuzueva, Oleg N. Chupakhin, Viktor I. Saloutin

Publikováno v: Journal of Fluorine Chemistry. 103:17-23

Condensation of fluorinated 3-oxo esters or 1,3-diketones with benzaldehyde and (thio)urea results in the diastereoselective formation of 4-fluoroalkyl-4-hydroxy-2-oxo(thioxo)-6-phenyl-hexahydropyrimidine-5-carboxylates from which by dehydration unde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::98c8eb27e1add26af8553d0af5de6611
https://doi.org/10.1016/s0022-1139(99)00216-x

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Synthesis of fluorine-containing alkyl 2-cyano-3-oxocarboxylates. Reactions with nucleophiles

Autor: Oleg N. Chupakhin, V. I. Saloutin, Ya. V. Burgart, O. G. Kuzueva

Publikováno v: Russian Chemical Bulletin. 48:1937-1941

Fluorine-containing alkyl 2-cyano-3-oxocarboxylates were synthesized for the first time by the reaction of ethyl cyanoacetate with fluorine-substituted carboxylic acid halides or alkyl carboxylates. The reactions with hydrazine hydrate, phenylhydrazi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::636ef80171b970950b648f1540869cd2
https://doi.org/10.1007/bf02494751

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Synthesis of fluorinated 2(3)-arylhydrazones of 1,2,3-tri(1,2,3,4-tetra)carbonyl compounds and their heterocyclization reactions

Autor: A. S. Fokin, V. I. Saloutin, O. G. Kuzueva, Oleg N. Chupakhin, Yanina V. Burgart

Publikováno v: Journal of Fluorine Chemistry. 92:101-108

New fluorinated 2-arylhydrazones of 1,2,3-triketones, 2-arylhydrazone-1,2,3-diketo esters and 3-arylhydrazone-1,2,3,4-triketo esters have been prepared by the coupling of fluorine-containing 1,3-keto esters, 1,3-diketones, acyl(aroyl)pyruvic esters a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::856493db1538a557353533cf27189b6f
https://doi.org/10.1016/s0022-1139(98)00247-4

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Synthesis of 2-arylhydrazones of aliphatic fluorine-containing 1,2,3-tricarbonyl compounds and their reactions with dinucleophiles

Autor: O. G. Kuzueva, Viktor I. Saloutin, Ya. V. Burgart

Publikováno v: Russian Chemical Bulletin. 47:673-678

New fluorinated 2-arylhydrazones of 1,2,3-tricarbonyl compounds were obtained by coupling fluorine-containing 3-oxo esters, 1,3-diketones, and their copper chelates with aryldiazonium chlorides. Reactions of these arylhydrazones with hydrazine hydrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ee9e605e4ff887bd1434d2529dd6613
https://doi.org/10.1007/bf02495977

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Synthesis of fluoroalkyl-containing 2-oxyimino-1,3-dicarbonyl compounds and their reaction with hydrazine hydrate

Autor: O. G. Kuzueva, Yanina V. Burgart, Z. E. Skryabina, Viktor I. Saloutin

Publikováno v: Journal of Fluorine Chemistry. 84:107-111

Reaction of fluoroalkyl-containing 1,3-keto esters and 1,3-diketones and their copper chelates with sodium nitrite gives the corresponding 2-hydroxyiminosubstituted ligands and chelates. 1,1,1-Trifluoro-3-hydroxyimino-4-pheny1-2,4-butanedione reacts

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b71e1532bd8334b9b98c6e47c08572c
https://doi.org/10.1016/s0022-1139(97)00054-7

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