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 Найдено в других БД:Труды сотрудников Института органического синтеза УрО РАН (86)Труды сотрудников Института химии твердого тела УрО РАН (1)
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Общее количество найденных документов : 15
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 1-10    11-15 
1.
Инвентарный номер: нет.
   
   A 46


   
    Ambident Properties of 4-Substituted Thiosemicarbazides in Condensations with Fluoroacetic Acids [Electronic resource] / E. B. Vasil'eva, V. I. Filyakova, L. P. Sidorova, I. E. Filatov, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2005. - Vol. 41, № 10. - P1522-1525
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 4-Substituted thiosemicarbazides react with di- and trifluoroacetic acids to give the corresponding 3-fluoroalkyl-4,5-dihydro-1,2,4-triazole-5(1H)-thiones. Condensation of 4,4-disubstituted thiosemicarbazides with trifluoroacetic acid leads to formation of 2-amino-5-trifluoromethyl-1,3,4-thiadiazoles

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2005, 41 (10), 1522.pdf
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2.
Инвентарный номер: нет.
   
   B 74


    Boltacheva, N. S.
    Fluoroalkyl-Containing Lithium 1,3-Diketonates in Reactions with Amines and Ammonium Salts [Electronic resource] / N. S. Boltacheva, T. I. Filyakova, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2005. - Vol. 41, № 10. - P1452-1457
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Reactions of fluoroalkyl-containing lithium 1,3-diketonates with amines or ammonium salts in glacial acetic acid or methanol at 20°C provide an efficient synthetic route to fluoroalkyl-containing ?-amino-vinyl ketones. Depending on the conditions, reactions of lithium diketonates with 1-aminonaphthalene lead to formation of both ?-aminovinyl ketones and cyclocondensation products, benzo[h]quinolines. The latter can be obtained in one step without isolation of ?-aminovinyl ketones

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2005, 41 (10), 1452.pdf
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3.
Инвентарный номер: нет.
   
   C 51


   
    Chelates of fluoroalkyl containing enaminoketones [Electronic resource] / V. I. Filyakova, D. L. Chizhov, E. F. Khmara, V. N. Charushin // Russian Journal of General Chemistry. - 2010. - Vol. 80, № 1. - P190-201
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The structure and areas of practical application of fluoroalkyl containing enaminoketone chelates with d-metals are reviewed. Synthesis of ligands and the routes to the regioisomeric enaminoketones are also considered

\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2010, V. 80, N 1, p.190.pdf
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4.
Инвентарный номер: нет.
   
   F 76


   
    Formation of fluoroalkyl-containing pyran-4-one in the reaction of lithium 4,4,4-trifluoro-1-phenylbutane-1,3-dionate with oxalyl chloride [Electronic resource] / O. P. Krasnykh, G. G. Aleksandrov, N. S. Karpenko, V. I. Filyakova, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2007. - Vol. 56, № 1. - P178-180
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2007, 56 (1), 178.pdf
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5.
Инвентарный номер: нет.
   


   
    Oximes of fluoroalkyl-containing 1,3-diketones: specific features of synthesis, analysis, and thermal stability / N. S. Boltacheva, P. A. Slepukhin, M. G. Pervova [et al.] // Russian chemical bulletin. - 2022. - Vol. 71, № 4. - P1464-1473
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Nitrosation of lithium 1,3-diketonates bearing fluoroalkyl and aryl (or hetaryl) substituents in positions 1 and 3 results in 3-polyfluoroalkyl-1,2,3-propanetrione 2-oximes (from this point on, oximes). Under similar conditions, lithium (Z)-1,1,1-trifluoro-4-oxo-4-(thien-2-yl)-2-buten-2-olate forms a hydration product of the corresponding oxime. Nitrosation of fluoroalkyl-containing lithium 1,3-diketonates is accompanied by retro-decomposition of the initial lithium 1,3-diketonates and the target oximes (or their hydration products) followed by oxidation and hydrolysis of the reaction products. Under the GC-MS conditions, the oximes undergo partial thermal decomposition to 2-aryl(hetaryl)-2-oxoethanenitriles. An analysis of solutions of the oximes in DMSO-d6 by 1H and 19F NMR spectroscopies revealed isomerization and hydration of these compounds. The temperature ranges of stability of the oximes were determined by thermogravimetric analysis and differential thermal analysis. The molecular and crystal structures of 4,4-difluoro-1-(4-methoxyphenyl)-1,2,3-butanetrione 2-oxime and 4,4,4-trifluoro-1-(thien-2-yl)-1,2,3-butanetrione 2-oxime were determined by X-ray diffraction.

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6.
Инвентарный номер: нет.
   


   
    Oximes of fluoroalkyl-containing 1,3-diketones: specific features of synthesis, analysis, and thermal stability / N. S. Boltacheva, P. A. Slepukhin, M. G. Pervova [et al.] // Russian chemical bulletin. - 2022. - Vol. 71, № 7. - P1464-1473
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Nitrosation of lithium 1,3-diketonates bearing fluoroalkyl and aryl (or hetaryl) substituents in positions 1 and 3 results in 3-polyfluoroalkyl-1,2,3-propanetrione 2-oximes (from this point on, oximes). Under similar conditions, lithium (Z)-1,1,1-trifluoro-4-oxo-4-(thien-2-yl)-2-buten-2-olate forms a hydration product of the corresponding oxime. Nitrosation of fluoroalkyl-containing lithium 1,3-diketonates is accompanied by retro-decomposition of the initial lithium 1,3-diketonates and the target oximes (or their hydration products) followed by oxidation and hydrolysis of the reaction products. Under the GC-MS conditions, the oximes undergo partial thermal decomposition to 2-aryl(hetaryl)-2-oxoethanenitriles. An analysis of solutions of the oximes in DMSO-d6 by 1H and 19F NMR spectroscopies revealed isomerization and hydration of these compounds. The temperature ranges of stability of the oximes were determined by thermogravimetric analysis and differential thermal analysis. The molecular and crystal structures of 4,4-difluoro-1-(4-methoxyphenyl)-1,2,3-butanetrione 2-oxime and 4,4,4-trifluoro-1-(thien-2-yl)-1,2,3-butanetrione 2-oxime were determined by X-ray diffraction.

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7.
Инвентарный номер: нет.
   
   P 34


    Pavlov, A. M.
    Synthesis of beta-Fluoroalkyl-beta,beta-dimethoxy Ketones and beta-Fluoroalkyl-Beta-methoxy-beta,beta-enones [Electronic resource] / A. M. Pavlov, D. L. Chizhov, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2005. - Vol. 41, № 10. - P1449-1451
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: alfa-Bromo-beta-fluoroalkyl-alfa,beta-enones react with sodium methoxide in methanol to give the corresponding beta-fluoroalkyl-beta,beta-dimethoxy ketones which eliminate methanol molecule to produce a mixture of E/Z-isomeric beta-fluoroalkyl-?-methoxyvinyl ketones, the Z isomer prevailing

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2005, 41 (10), 1449.pdf
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8.
Инвентарный номер: нет.
   
   R 30


   
    Reactions of fluoroalkyl-containing lithium 1,3-diketonates with diaminoarenes and 2-aminobenzenethiol [Electronic resource] / V. I. Filyakova, N. S. Boltacheva, D. V. Sevenard, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2010. - Vol. 59, № 9. - P1791-1796. - Bibliogr. : p. 1796 (25 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FLUOROALKYL -- CONTAINING LITHIUM 1,3-DIKETONATES -- 1,2-DIAMINOBENZENE -- 2,3-DIAMINONAPHTHALENE -- 1,2-DIAMINO-4,5-DIFLUOROBENZENE -- 2-AMINOBENZENETHIOL
Аннотация: 1,5-Benzo[b]- and 1,5-naphtho[2,3-b]diazepines were synthesized by the reaction of lithium 1,3-diketonates with 1,2-diaminobenzene and 2,3-diaminonaphthalene in an MeOH-AcOH-HCl mixture at 0 °C. The reactions of fluoroalkyl-containing lithium 1,3-diketonates with 1,2-diaminobenzene and 1,2-diamino-4,5-difluorobenzene under reflux in acetic acid afford 2-fluoroalkyl-containing benzimidazoles as the major products, whereas the reaction with 2-aminothiophenol gives 2-phenylbenzothiazole. The reactions of lithium diketonate containing the cyclohexane and cyclopentane moieties with 1,2-diaminoarenes and 2-aminobenzenethiol are accompanied by the opening of the carbocycle to form 2-(6-oxo-7,7,7-trifluoroheptyl)benzimidazole and 2-(5-oxo-6,6,6-trifluorohexyl)benzothiazole hydrates, respectively.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2010, 59 (9), 1791-1796.pdf
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9.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis and structure of fluoroalkyl containing lithium 1,3-diketonates [Electronic resource] / N. S. Boltacheva, V. I. Filyakova, E. F. Khmara, O. V. Koryakova, V. N. Charushin // Russian Journal of General Chemistry. - 2010. - Vol. 80, № 1. - P179-189
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Methods of synthesis and IR, mass, NMR 1H, 19F, 13C spectra as well as X-ray analysis of fluoroalkyl containing lithium 1,3-diketonates are reviewed ??

\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2010, V. 80, N 1, p.179.pdf
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10.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of podands modified with thiosemicarbazide and fluoroalkyl(hydroxy)pyrazoline fragments / V. I. Filyakova, P. A. Slepukhin, N. S. Boltacheva, E. B. Letova, V. N. Charushin // Russian Journal of General Chemistry. - 2017. - Vol. 87, № 5. - P957-962
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PODANDES -- X-RAY DIFFRACTION ANALYSIS -- ACETIC ACID -- ORGANIC ACIDS
Аннотация: 1,8-Bis(diisothiosemicarbazido)-3,6-dioxaoctane have been synthesized by subsequent treatment of 2,2 -(ethylenedioxy)bisethylamine with carbon disulfide, sodium chloroacetate, and hydrazine hydrate. 1,8-Bis- (diisothiosemicarbazido)-3,6-dioxaoctane has reacted with lithium 1,1-difluoropenta-2,4-dionate in glacial acetic acid to yield 1,8-bis[5R*,5 R*(5-hydroxy-5-difluoromethyl-4,5-dihydro-3-methyl-1H-pyrazol-1-yl)-1-carbothioamido]-3,6-dioxaoctane. The molecular and crystal structure of the product has been determined by X-ray diffraction analysis.

\\\\Expert2\\NBO\\Russian Journal of General Chemistry\\2017 V 87 P957.pdf
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