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1.

Вид документа : Статья из журнала
Шифр издания : 54
Автор(ы) : Filyakova T. I., Saloutin V. I., Zapevalov A. Ya., Slepukhin P. A., Kodess M. I., Saloutin V. I.
Заглавие : 2,3-Epoxyperfluoro-2-methylpentane in reactions with urea and thiourea [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2011. - Vol. 47, № 5. - С. 650-658: рис., табл.
Систем. требования: http://www.springerlink.com/content/l221n3xn6v8t4n87/fulltext.pdf
Примечания : Bibliogr. : p. 658 (24 ref.). - 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 2,3-Epoxyperfluoro-2-methylpentane reacts with thiourea in protic (methanol, 2-propanol) and aprotic (dioxane) solvents, and also with urea in acetonitrile affording unexpected products: 1-(2,2,3,3,3-pentafluoropropionyl)-2-(2,2,2-trifluoro-1-trifluoro-methylethyl)isothiourea, and 1-(2,2,3,3,3-pentafluoropropionyl)-3-(2,2,2-trifluoro-1-trifluoro-methylethyl)urea respectively that result from the rearrangement of the intermediately formed ketone in the process of the intramolecular “haloform” cleavage. At the same time in dioxane the 2,3-epoxyperfluoro-2-methylpentane reacts with urea with the formation of a heterocyclic compound, 2-amino-4-pentafluoroethyl-5,5-bis(trifluoromethyl)-4,5-dihydrooxazol-4-ol. From 1-(2,2,3,3,3-pentafluoropropionyl)-2-(2,2,2-trifluoro-1-trifluoromethylethyl)isothiourea and Cu(OAc)2 a stable fluorine-containing chelate complex was obtained
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2011, 47 (5), 650-658.pdf
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2.

Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Bazhin D. N., Roeschenthaler G.-V., Chizhov D. L., Kudyakova Yu.S., Burgart Ya. V., Slepukhin P. A., Saloutin V. I., Charushin V. N.
Заглавие : A concise approach to CF3-containing furan-3-ones, (bis)pyrazoles from novel fluorinated building blocks based on 2,3-butanedione
Место публикации : Tetrahedron Letters. - 2014. - Vol. 55. - С. 5714-5717
Примечания : Bibliogr. : p. 5717 (16 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): clisen condensation --akoxyenones;--trifluoroacetylation
Аннотация: 1,1,1-Trifluoro-4,5,5-trimethoxyhex-3-en-2-one and lithium (2Z)-1,1,1-trifluoro-5,5-dialkoxy-4-oxohex-2-en-2-olate were synthesized for the first time via direct trifluoroacetylation of 2,3-butanedione acetal derivatives. A simple and effective approach to acetal or acyl substituted CF3-pyrazoles, 5,5′-bis(trifluoromethyl)-3,3′-bipyrazole, and, to 5-trifluoromethylfuran-3-ones is presented.
\\\\expert2\\nbo\\Tetrahedron Letters\\2014, v. 55, p. 5714.pdf
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3.

Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Bazhin D. N., Kudyakova Yu.S., Roeschenthaler G.-V., Burgart Ya. V., Slepukhin P. A., Isenov M. L., Saloutin V. I., Charushin V. N.
Заглавие : A Convenient Approach to CF3-Containing N-Heterocycles Based on 2-Methoxy-2-methyl-5-(trifluoromethyl)furan-3(2H)-one [Электронный ресурс]
Место публикации : European Journal of Organic Chemistry. - 2015. - № 23. - С. 5236-5245
Систем. требования: http://apps.webofknowledge.com/
Примечания : Bibliogr. : p. 5245 (23 ref.). - 18.01.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): nitrogen heterocycles --fluorine--oxygen heterocycles
Аннотация: New synthetic routes to trifluoromethylated N-heterocycles based on condensations of 2-methoxy-2-methyl-5-(trifluoromethyl)furan-3(2H)-one with bifunctional N-nucleophiles are described. For the first time, trifluoromethyl-containing pyrazoles, pyrazolines and isoxazolines bearing hydrazone or oxime groups could be obtained by a one-pot strategy based on reactions of 5-(trifluoromethyl)furan-3(2H)-one with two equivalents of the corresponding hydrazines or hydroxylamine in the presence of an acid. The interaction of furan-3(2H)-one with ureas proceeded under mild conditions to furnish 1H-furo[2,3-d]imidazol-2(3H)-one derivatives in good yield. Further, a trifluoromethyl-containing quinoxaline derivative was obtained by condensation of furan-3(2H)-one with ortho-phenylenediamine.
\\\\expert2\\nbo\\European Journal of Organic Chemistry\\2015, №23. p.5236-5245.pdf
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4.

Вид документа : Статья из журнала
Шифр издания : Г/A 10
Автор(ы) : Filyakova V. I., Boltacheva N. S., Pervova M. G., Charushin V. N.
Заглавие : A new synthesis of 4'-trifluoromethyl-2,2':6',2"-terpyridine
Место публикации : Mendeleev Communications. - 2021. - Vol. 31, № 3. - С. 388-389
ББК : Г
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): organofluorine compounds--b-aminovinyl ketones--regioisomerism--heterocyclization--pyridines--2,2':6',2''-terpyridines
Аннотация: Reflux of two isomeric 3-amino-4,4,4-trifluoro-1-(2-pyridyl)but-2-en-1-one and 3-amino-1,1,1-trifluoro-4-(2-pyridyl)-but-3-en-2-one in acetic acid affords 4′-trifluoromethyl-2,2′:6′,2″-terpyridine (37%) with 1.4% admixture of 6′-trifluoromethyl-2,2′:4′,2″-terpyridine.
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5.

Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Saloutina L. V., Zapevalov A. Ya., Saloutin V. I., Slepukhin P. A., Kodess M. I., Kirichenko V. E., Pervova M. G., Chupakhin O. N.
Заглавие : A route to fluorocontaining N,S-heterocycles via octafluoro-2,3-epoxybutane
Место публикации : Journal of Fluorine Chemistry. - 2007. - Vol. 128, № 7. - С. 769-778
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reaction of octafluoro-2,3-epoxybutane 1 with 2-aminothiophenol gave three kinds of novel fluorocontaining N,S-heterocyclic compounds depending on the solvent nature: 2,3-bis(trifluoromethyl)-3,4-dihydro-2H-1,4-benzothiazin-2-ol 2, 2-trifluoromethyl-2-[1-(2-aminophenylthio)-2,2,2-trifluoroethyl]-1,3-benzothiazolidine 6 and 5a,11a-bis(trifluoromethyl)-5a,6,11a,12-tetrahydro-5,11-dithia-6,12-diazanaphthacene 5. Use of the toluene, dioxane, tetrahydrofuran, acetonitrile and dimethoxyethane gave the unexpected dihydrobenzothiazine 2 (RS,SR RR,SS) in good to moderate yields. In dimethylsulfoxide and N,N-dimethylacetamide, unusual cyclization occurred resulting in benzothiazolidine 6 (RS,SR/RR,SS 1:1) in moderate yields. Formation of minor 1,1,1,3,4,4,4-heptafluoro-3-(2-aminophenylthio)-2,2-dihydroxybutane 4 which was converted into bis(benzothiazine) 5 was observed in all solvents tested with the exception of toluene and dioxane. The molecular structure of the RS,SR-diastereomer of dihydrobenzothiazine 2, bis(benzothiazine) 5 and the RS,SR-diastereomer of benzothiazolidine 6 has been established by X-ray crystallography.
\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2007, v.128. p.769.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Korotaev V.Yu., Sosnovskikh V. Ya., Barkov A. Yu., Slepukhin P. A., Ezhikova M. A., Kodess M. I., Shklyaev Yu. V.
Заглавие : A simple synthesis of the pentacyclic lamellarin skeleton from 3-nitro-2-(trifluoromethyl)-2H-chromenes and 1-methyl(benzyl)-3,4-dihydroisoquinolines
Место публикации : Tetrahedron. - 2011. - Vol. 67, № 45. - С. 8685-8698
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): lamellarin alkaloids--isoquinoline derivatives--heterocyclic system
Аннотация: The basic structural framework of lamellarin alkaloids, 8,9-dihydro-6H-chromeno[4?,3?:4,5]pyrrolo[2,1-a]isoquinoline derivatives, has been obtained in good yields via Grob synthesis between 3-nitro-2-(trifluoromethyl)-2H-chromenes and 1-methyl-3,4-dihydroisoquinolines in refluxing isobutanol. In the case of 1-benzyl-3,4-dihydroisoquinolines, a dynamic NMR effect was observed in the 1H and 19F NMR spectra of the products as a result of restricted rotation about the single bond linking the benzene ring and the heterocyclic system. When the reaction was carried out with 3-nitro-2-(trichloromethyl)-2H-chromenes in toluene at room temperature, only Michael adducts, as a mixture of two diastereomers, were isolated.??????--------------------------------------------------------------------------------??
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7.

Вид документа :
Шифр издания : 54/A 10
Автор(ы) : Bazhin D. N., Gorbunova T. I., Zapevalov A. Ya., Beketov I. V., Saloutin V. I.
Заглавие : A study of the physico-chemical features of the [(perfluoroalkyl)methyl]oxirane amino derivatives based on the hexafluoropropylene oxide trimer
Место публикации : Russian Journal of General Chemistry. - 2011. - Vol.81, №9. - С. 1829-1833
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): physico-chemical features --hexafluoropropylene--oxide trimer
Аннотация: The 1,2-epoxy-4,6,6,7,9,9,10,10,11,11,11-undecafluoro-4,7-bis(trifluoromethyl)-5,8-dioxaundecane was synthesized for the first time on the basis of the hexafluoropropylene oxide trimer. We showed that it reacted with diethylamine, morpholine, or N-methylpiperazine to afford the product of regioselective cleavage of the oxirane ring. The processing of nano-sized copper powder with a solution of the obtained hydroxyamine solution in acetone allowed the formation of the hydrophobic metal coating
\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 81, N 9, p. 1829–1833.pdf
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8.

Вид документа : Статья из журнала
Шифр издания : 54/A 37
Автор(ы) : Boltneva N. P., Makhaeva G. F., Kovaleva N. V., Lushchekina S. V., Burgart Ya. V., Shchegol’kov E. V., Chupakhin O. N.
Заглавие : Alkyl 2-arylhydrazinylidene-3-oxo-3-polyfluoroalkylpropionates as new effective and selective inhibitors of carboxylesterase [Электронный ресурс]
Место публикации : Doklady Biochemistry and Biophysics . - 2015. - Vol. 465, № 1. - С. 381-385
Систем. требования: http://link.springer.com/article/10.1134/S1607672915060101
Примечания : Bibliogr. : p. 385 (15 ref.). - 19.01.2016
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): 2-arylhydrazinylidene-3-oxo-3-polyfluoroalkylpropionates--inhibitors--carboxylesterase
Аннотация: A series of alkyl 2-Arylhydrazinylidene-3-oxo-3-polyfluoroalkylpropionates was synthesized and their inhibitory activity with respect to porcine liver carboxylesterase (CaE, EC 3.1.1.1), human erythrocyte acetylcholinesterase (AChE, EC 3.1.1.7), and horse serum butyrylcholinesterase (BChE, EC 3.1.1.8) was studied. The molecular docking method was used to study the binding mode of the compounds in the active site of CaE. It was found that compounds containing the trifluoromethyl group in the third position of carbonyl chain are highly effective and selective inhibitors of CaE with nanomolar IC50 values, which agrees well with the results of molecular docking. Origin
\\\\expert2\\nbo\\Doklady Biochemistry and Biophysics\\2015, v.465, № 1. p.381-385.pdf
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9.

Вид документа : Статья из журнала
Шифр издания : 54/A 46
Автор(ы) : Vasil'eva E. B., Filyakova V. I., Sidorova L. P., Filatov I.E., Charushin V. N.
Заглавие : Ambident Properties of 4-Substituted Thiosemicarbazides in Condensations with Fluoroacetic Acids [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2005. - Vol. 41, № 10. - С. 1522-1525
Систем. требования: http://www.springerlink.com/content/p7574p020027611h/fulltext.pdf
Примечания : 31.10.2011 г.
ББК : 54
Предметные 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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10.

Вид документа : Статья из журнала
Шифр издания : 54/A 53
Автор(ы) : Chizhov D. L., Vogel V., Tverdomed S. N., Charushin V. N., Roeschenthaler G.-V.
Заглавие : An Effective Borate-Mediated Approach to 1-Trifluoromethyl-1-hydroxy-3-ketophosphonates, Phosphinates, and Phosphine Oxides
Место публикации : Synlett. - 2011. - № 12. - С. 1735-1739: ил.
Примечания : Bibliogr. : p. 1739 (45 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Ethyl 1-trifluoromethyl-1-hydroxy-3-oxo-phosphonates, the related (methyl)phosphinates and (phenyl) phosphinates, and phosphine oxides were obtained in good yield via direct phosphonylation of acyltrifluoroacetones with diethyl phosphite, ethyl (methyl) phosphonite, ethyl (phenyl) phosphonite, and diphenylphosphine oxide in the presence of triethyl borate. The subsequent dehydration of the selected phosphonates and phosphinates proceeds smoothly affording previously unknown diethyl 1,2-unsaturated 1-trifluoromethyl-3-oxophosphonates, ethyl 1-trifluoromethyl-3-oxo(methyl)-, and ethyl 1-trifluoromethyl-3-oxo(phenyl) phosphinates in good yields
\\\\expert2\\nbo\\Synlett\\2011. N 12. P. 1735-1739.pdf
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11.

Вид документа : Статья из журнала
Шифр издания : 54/B 57
Автор(ы) : Saloutin V. I., Burgart Ya. V., Kuzueva O. G., Kappe C.O., Chupakhin O. N.
Заглавие : Biginelli condensations of fluorinated 3-oxo esters and 1,3-diketones
Место публикации : Journal of Fluorine Chemistry. - 2000. - Vol. 103, № 3. - С. 17-23
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 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 under acidic conditions the corresponding 6-fluoroalkyl-2-oxo(thioxo)-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylates were obtained. Under the same conditions, hexafluoroacetylacetone furnishes 4,6-dihydroxy-4,6-di(trifluoromethyl)-hexahydropyrimidin-2-one. Some further reactions of these pyrimidine derivatives leading to fused heterocycles are described.????
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12.

Вид документа : Статья из журнала
Шифр издания : 54/C 52
Автор(ы) : Chizhov D. L., Roeschenthaler G.-V.
Заглавие : Reaction of trifluoromethylated beta-alkoxyenones with tris(trimethylsilyl) phosphite: A temperature influence on regioselectivity
Место публикации : Journal of Fluorine Chemistry. - 2006. - Vol. 127, № 2. - С. 235-239
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The interaction of tris(trimethylsilyl) phosphite (TMSO)3P and E-trifluoromethyl-alkoxyenones CF3C(O)CHCHOEt and CF3C(O)CHC(OMe)Me yielded mixtures of E-1,2- and Z-1,4-adducts, CF3C(OTMS)[P(O)(OTMS)2]CCH(OAlk)R 2 and CF3(OTMS)CCHCR(OAlk)[P(O)(OTMS)2] 3 where R and Alk = H and Me, or both Me. Conversion of these 1,2-adducts to 1,4-isomers was effected by increased temperature or by exposure to more tris(trimethylsilyl) phosphite. Acid hydrolysis of 2b (R and Alk = Me) gave ketophosphonic acid CF3C(OH)[P(O)(OH)2]CH2COMe in 88% yield, whereas hydrolysis of 2a (R = H and Alk = Et) with KOH in methanol gave CF3C(OH)[P(O)(OK)2]CHCHOEt in 37% yield. Acid hydrolysis of 3a (R = H and Alk = Et) and 3b (R and Alk = Me) gave phosphonic acid CF3C(OH)2CHCHP(O)(OH)2 in 82% yield and trifluoromethylated 1,2,5,4-oxaphosphol-3-en
\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2006, v.127, p.235.pdf
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13.

Вид документа : Статья из журнала
Шифр издания : 54/D 44
Автор(ы) : Yakovleva M. A., Kushan E. V., Boltacheva N. S., Filyakova V. I., Nefedov S. E.
Заглавие : Deprotonation of pyrazole and its analogs by aqueous copper acetate in the presence of triethylamine
Место публикации : Russian Journal of Inorganic Chemistry (Zhurnal Neorganicheskoi Khimii). - 2012. - Vol. 57, № 2. - С. 181-192
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): secondary building units--magnetic-properties--coordination polymers
Аннотация: Deprotonation reactions of pyrazole and its analogs by aqueous copper acetate in benzene at room temperature in the presence of triethylamine were studied. Unlike 3,5-dimethylpyrazole, more acidic pyrazole, 5-methyl-3-trifluoromethylpyrazole, and 3,5-bis(trifluoromethyl)pyrazoles are deprotonated to give pyrazolate bridges. The structural features of the obtained compounds are discussed based on X-ray diffraction data
\\\\Expert2\\nbo\\Russian Journal of Inorganic Chemistry\\2012, v. 57, N. 2, p.181-192.pdf
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kushch S. O., Goryaeva M. V., Burgart Ya. V., Triandafilova G. A., Malysheva O. K., Krasnykh O. P., Gerasimova N. A., Evstigneeva N. P., Saloutin V. I.
Заглавие : Facile synthesis of 6-organyl-4-(trifluoromethyl)pyridin-2(1H)-ones and their polyfluoroalkyl-containing analogs
Место публикации : Russian chemical bulletin. - 2022. - Vol. 71, № 8. - С. 1687-1700
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The three-component cyclization of 3-polyfluoroalkyl-3-oxopropanoates and methyl ketones with ammonium acetate affords 6-organyl-4-(polyfluoroalkyl)pyridin-2(1H)-ones (organyl is alkyl, aryl, or hetaryl). The synthesized pyridones were evaluated for antifungal, antibacterial, and analgesic activity.
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15.

Вид документа :
Шифр издания : 54/F 33
Автор(ы) : Boltacheva N. S., Slepukhin P. A., Pervova M. G., Samorukova M. A., Lavrenova L. G., Filyakova V. I., Charushin V. N.
Заглавие : Features of the reaction of 3(5)-methyl-5(3)-trifluoromethylpyrazole with chloroform. Synthesis and structure of fluorinated analogs of tris(pyrazol-1-yl)methane
Место публикации : Russian Journal of General Chemistry. - 2012. - Vol.82, №8. - С. 1444-1450
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): chloroform--trifluoromethylpyrazole--tris(pyrazol-1-yl)methane
Аннотация: Reaction of 3(5)-methyl-5(3)-trifluoromethylpyrazole (I) with chloroform leads to a complex mixture of compounds. The main components are {bis[(5-methyl-3-trifluoromethyl)pyrazol-1-yl](3-methyl-5-trifluoromethyl)pyrazol-1-yl}methane, bis{[(3-methyl-5-trifluoromethyl)pyrazol-1-yl](5-methyl-3-trifluoromethyl)-pyrazol-1-yl}methane, and tris[(3-methyl-5-trifluoro-methyl)pyrazol-1-yl]methane. The structure of isomeric substances was proved by XRD method
\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 82, N 8, p. 1444–1450.pdf
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16.

Вид документа : Статья из журнала
Шифр издания : 54/F 70
Автор(ы) : Shchegol'kov E. V., Burgart Ya. V., Saloutin V. I., Chupakhin O. N.
Заглавие : Fluorinated 2-amino-5-phenyl-1,3,4-thiadiazines: synthesis and structures [Электронный ресурс]
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2013. - Vol.62, №1. - С. 220-222
Систем. требования: http://download.springer.com/static/pdf/457/art%253A10.1007%252Fs11172-013-0033-1.pdf?auth66=1395482915_5446e26ab5299660b4f3cea47e3d6152&ext=.pdf
Примечания : 20.03.2014
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): thiadiazines--tautomeric structures --4h-tautomer
Аннотация: Fluorinated 2-amino-5-phenyl-1,3,4-thiadiazines were obtained for the first time. A study of their tautomeric structures revealed that trifluoromethyl-containing 1,3,4-thiadiazines exist as the 4H-tautomer in both solutions and the solid state, while their monofluoroaryl analogs exist as the 6H-tautomer
\\\\expert2\\nbo\\Russian Chemical Bulletin\\2013, 62 (2), 521-528.pdf
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17.

Вид документа : Статья из журнала
Шифр издания : 54/F 70
Автор(ы) : Burgart Ya. V., Kuzueva O. G., Pryadeina M. V., Kappe C.O., Saloutin V. I.
Заглавие : Fluorocontaining 1,3-Dicarbonyl Compounds in the Synthesis of Pyrimidine Derivatives ?? [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2001. - Vol. 37, № 6. - С. 869-880
Систем. требования: http://www.springerlink.com/content/g780k3287x417830/fulltext.pdf
Примечания : 28.10.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 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-diketones with urea (thiourea) afford substituted pyrimidines. The condensation of fluorinated 3-oxoesters and 1,3-diketones with benzaldehyde and urea (thiourea) results in 5-alkoxycarbonyl(acyl)-4-hydroxy-2-oxo(thioxo)-6-phenyl-4-fluoroalkylhexahydropyrimidines that on dehydration furnish 5-alkoxycarbonyl(acyl)-2-oxo(thioxo)-4-phenyl-6-fluoroalkyltetrahydropyrimidines. Ethyl 7-nonafluorobutyl-5-phenyl-2,3-dihydrothiazolo[3,2-a]pyrimidine-6-carboxylate hydrobromide forms in reaction of dibromoethane with ethyl ether of 2-thioxo-4-phenyl-6-nonafluorobutyltetrahydropyrimidine
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2001, 37 (6), 869.pdf
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18.

Вид документа : Статья из журнала
Шифр издания : 54/F 94
Автор(ы) : Saloutina L. V., Zapevalov A. Ya., Kodess M. I., Lyssenko K.A., Antipin M. Yu., Saloutin V. I., Chupakhin O. N.
Заглавие : From oxides of internal perfluoroolefins to fluorocontaining camphor thiazolinylhydrazones
Место публикации : Journal of Fluorine Chemistry. - 2003. - Vol. 120, № 1. - С. 41-47
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reaction of oxides of internal trans- and cis-perfluoroolefins with (1S, 4S)- or racemic camphor thiosemicarbazone leads to the formation of trans- and cis-isomers of (1S, 4S)- or racemic camphor 5?-fluoro-4?-hydroxy-4?,5?-di(perfluoroalkyl)-1?,3?-thiazolinyl-2?-hydrazones, respectively. Unsymmetrical dodecafluoro-2,3-epoxyhexane yields a mixture of regioisomeric hydrazones. The molecular structure of the trans-isomer of (1S, 4S)-camphor 5?-fluoro-4?-hydroxy-4?,5?-bis(trifluoromethyl)-1?,3?-thiazolinyl-2?-hydrazone has been established by X-ray crystallography. The quite rare example of cocrystallization of two diastereomers of the latter in homochiral crystal (sp. group P21) has been revealed????
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kudyakova Yu.S., Slepukhin P. A., Ganebnykh I. N., Burgart Ya. V., Saloutin V. I., Bazhin D. N.
Заглавие : Functionalized trifluoromethyl-containing lithium β-diketonate in the synthesis of homo- and heteronuclear complexes of rare-earth metals
Место публикации : Russian Journal of Coordination Chemistry. - 2021. - Vol. 47, № 4. - С. 280-295
Ключевые слова (''Своб.индексиров.''): β-diketonates--lanthanides--19f nmr spectroscopy--mass spectrometry
Аннотация: The reactions of functionalized lithium CF3-β-diketonate (LiL) with trivalent rare-earth metal salts in methanol afford homobinuclear and heterobi(tri)nuclear complexes depending on the nature of the transition metal and anion (chlorides, nitrates, and acetates). In the cases of lanthanum(III) and cerium(III), homoleptic complexes [(LnL3)2] are isolated (CIF files CCDC nos. 2031097 (Ia) and 2031102 (Ib)). The reaction of LiL with praseodymium(III) nitrate gives the new trimetallic structure [(LiPrL3)(LiL)(NO3)(H2O)2] (CIF file CCDC no. 2031103 (II)), and the replacement of nitrate by chloride gives [(PrL3)(LiL)(H2O)] (CIF file CCDC no. 2031104 (IIIa)). Regardless of the nature of the anion of the salt in the series from neodymium(III) to ytterbium(III) and yttrium(III), Ln–Li β-diketonates [(LnL3)(LiL)(solv)] (solv is H2O and MeOH) are formed, and their structures are characterized by X-ray structure analysis (CIF files CCDC nos. 2031099 (IIIb), 2031100 (IIIc), 2031098 (IVa), 2031096 (IVc), 2031094 (IVf), 2031101 (IVg), and 2031095 (IVh)). The equilibrium of the diketonate isomeric forms in a solution of deuterated dimethyl sulfoxide is studied by 19F NMR spectroscopy, and the qualitative composition of the polynuclear complexes is determined by mass spectrometry.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Edilova Y. O., Kudyakova Yu.S., Slepukhin P. A., Burgart Ya. V., Saloutin V. I., Bazhin D. N.
Заглавие : Influence of trifluoromethyl groups on the crystal packing of the binuclear copper(ii) complex based on N2O3-pentadentate (hydroxy)bis(СF3-enaminoketone)
Место публикации : Russian Journal of Coordination Chemistry. - 2021. - Vol. 47, № 9. - С. 631-637
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): enaminoketones--schiff bases--binuclear copper(ii) bases--x-ray structure analysis
Аннотация: The reaction of 1,1,1-trifluoro-4-methoxy-3-penten-2-one (L1) with 1,3-diaminopropan-2-ol affords N,N'-(2-hydroxypropane-1,3-diyl)bis(trifluoroacetylacetimine) (H3L2) in a yield of 82%. In the absence of additional bases, the synthesized N2O3 ligand reacts with copper(II) acetate to give the binuclear complex [Cu2L2(OAc)] (I), the structure of which is determined by X-ray structure analysis (CIF file CCDC no. 2071133).
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