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Каталог книг и продолжающихся изданий
Сводный каталог иностранных периодических изданий, имеющихся в библиотеках УрО РАН
Сводный каталог отечественных периодических изданий, имеющихся в библиотеках УрО РАН
Каталог диссертаций и авторефератов диссертаций УрО РАН
Каталог препринтов УрО РАН (1975 г. - )
Имидж-каталог отечественных книг (до 2010 г.)
Имидж-каталог иностранных книг (до 2010 г.)
Алфавитно-предметный указатель (АПУ) ЦНБ УрО РАН
Публикации об УрО РАН
Изобретения уральских ученых
Интеллектуальная собственность (статьи из периодики)
Нанотехнологии
Демидовские премии
Гибель династии Романовых
История Урала
Личная библиотека С. В. Вонсовского
Книжная коллекция Шубиных
Труды Института высокотемпературной электрохимии УрО РАН
Труды Института истории и археологии УрО РАН
Труды сотрудников Института горного дела УрО РАН
Труды сотрудников Института органического синтеза УрО РАН
Труды сотрудников Института теплофизики УрО РАН
Труды сотрудников Института химии твердого тела УрО РАН
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Труды сотрудников ЦНБ УрО РАН
Публикации Черешнева В.А.
Публикации Чарушина В.Н.
Каталог библиотеки ИЭРиЖ УрО РАН
Электронная энциклопедия «Дискурсология»
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1.
Инвентарный номер: нет.
   
   К 88

    Кудякова, Ю. С.
    Новые полидентатные макроациклические основания Шиффа на основе 2,6-диформилфенола / Ю. С. Кудякова, Я. В. Бургарт, В. И. Салоутин // Макрогетероциклы. - 2014. - Т. 7, № 1. - С. 40-46
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ДИФОРМИЛФЕНОЛ -- ПОЛИДЕНТАТНЫЕ ОСНОВАНИЯ
Аннотация: [1+2] Condensation of 2,6-diformylphenol (1) with ethyl-2-[(2-aminophenyl)aminomethylidene]-1,3-dicarbonyl compounds (2) resulted in new macroacyclic bisazomethines 3 having 2-hydroxyphenyl spacer. They are capable of regulated selective modes of mono- and binuclear complexes 4, 5 with 3d metal ions in proper conditions. Crystal structure of 4d was confirmed with X-Ray data. A moderate tuberculostatic activity of Schiff base ligands 3c,d is reported

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2.
Инвентарный номер: нет.
   
   M 20

    Makosza, M.
    Vicarious nucleophilic substitution of hydrogen in aldehydes and Knoevenagel reaction of iminium salts with ?-halocarbanions [Electronic resource] / M. Makosza, D. N. Kozhevnikov // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2001. - Vol. 50, № 11. - P2236-2238
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Iminium salts derived from aromatic aldehydes react with -chlorocarbanions via two different pathways: reaction with secondary carbanion of halomethyl sulfones proceeds as the Knoevenagel condensation, while tertiary -chlorocarbanions gave products of vicarious nucleophilic substitution of hydrogen in parent aldehydes

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2001, 50 (11), 2236.pdf
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3.
Инвентарный номер: нет.
   
   U 52

   
    Unexpected formation of diethyl 2-ethoxy-6-CF.sub.3-2H-pyran-3,5-dicarboxylate from the condensation of ethyl 4,4,4-trifluoroacetoacetate with CH(OEt).sub.3 / Y. S. Kudyakova, D. N. Bazhin, P. A. Slepukhin, Ya. V. Burgart, V. I. Saloutin, V. N. Charushin // Tetrahedron Letters. - 2017. - Vol. 58, № 8. - P744-747
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PYRAN -- DETRIFLUOROACETYLATION -- ETHYL TRIFLUOROACETOACETATE -- CONDENSATION -- PYRIDINES
Аннотация: The one-step preparation of diethyl 2-ethoxy-6-CF3-2H-pyran-3,5-dicarboxylate via the condensation of ethyl 4,4,4-trifluoroacetoacetate with CH(OEt)3 has been reported and a plausible mechanism for this transformation is discussed. To demonstrate the synthetic potential of the obtained pyran, the reactions with ammonia and aromatic amines to give trifluoromethylated pyridine derivatives are presented.

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4.
Инвентарный номер: нет.
   
   S 53

    Shchegol'kov, E. V.
    The transformations of fluoroalkyl-containing 2-arylhydrazono-1,3-dicarbonyl compounds with methylamine [Electronic resource] / E. V. Shchegol'kov, Ya. V. Burgart, V. I. Saloutin // Journal of Fluorine Chemistry. - 2007. - Vol. 128, № 7. - P779-788
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Fluoroalkylated 1,2,3-triketone 2-arylhydrazones and 2-arylhydrazono-3-oxo esters react variously with methylamine depending on the structure of the fluorinated substituent. 2-Arylhydrazono-1,3-dicarbonyl compounds having "short" fluoroalkyl substituents condense with methylamine at the carbonyl group attached to the non-fluorinated substituent whereas ones containing a lengthy polyfluoroalkyl substituent undergo haloformic cleavage as a result of the amine addition at the carbonyl group bearing such a substituent. The resulting 2-arylazo-3-(N-methyl)amino-1-polyfluoroket-2-en-1-ones and 1-(N-methyl)amino-2-arylhydrazono-3-fluoroalkyl-3-oxopropanamides have complexing properties, and they can bind to nickel(II) and copper(II) ions. Nickel chelates can be obtained by a three-component condensation of 2-arylhydrazono-1,3-dicarbonyl compounds and methylamine in the presence of nickel(II) cations.

\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2007, v.128. p.779.pdf
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5.
Инвентарный номер: нет.
   
   T 44

   
    The first synthesis of 4-unsubstituted 3-(trifluoroacetyl)coumarins by the Knoevenagel condensation of salicylaldehydes with ethyl trifluoroacetoacetate followed by chromene-coumarin recyclization [Text] / D. L. Chizhov, V. Ya. Sosnovskikh, M. V. Pryadeina, Ya. V. Burgart, V. I. Saloutin, V. N. Charushin // Synlett. - 2008. - № 2. - P281-285
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

\\\\expert2\\nbo\\Synlett\\2008. N 2. P. 281-285.pdf
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6.
Инвентарный номер: нет.
   
   T 19

   
    Tandem Knoevenagel Condensation and Intramolecular Cycloaddition Reactions of 2-Azidobenzaldehydes with 2-Cyanoacetamides in the Synthesis of 4-Thiocarbamoyltetrazolo-[1,5-a]Quinolines = Тандем реакций конденсации по Кнёвенагелю и внутримолекулярного циклоприсоединения 2-азидобензальдегидов с 2-цианотиоацетамидами в синтезе 4-тиокарбамоилтетразоло[1,5-a]хинолинов / V. O. Filimonov, V. T. Abaev, T. Beryozkina, K. A. Galata, P. A. Slepukhin, M. A. Kostenko, V. S. Berseneva // Chemistry of Heterocyclic Compounds. - 2016. - Vol. 52, № 9. - С. 721-726. - Bibliogr. : p. 726 (32 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
2-AZIDOBENZALDEHYDES -- TETRAZOLO[1,5-A]QUINOLINE -- CYANOACETIC ACID THIOAMIDES
Аннотация: The reaction of 2-azidobenzaldehydes with 2-thioamides of cyanoacetic acid proceeds without a solvent and base at 80–90°C selectively by one of the possible routes to form tetrazolo[1,5-a]quinolines. The proposed mechanism of the reaction involves the Knoevenagel condensation and subsequent intramolecular [3+2] cycloaddition of the azide group at the C≡N bond of an intermediate acrylonitrile.

\\\\expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2016, v.52, N 9, p. 721-726.pdf
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7.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis, photophysical and electrochemical properties of novel 6,12-di(thiophen-2-yl) substituted indolo[3,2-b]carbazoles [Electronic resource] / R. A. Irgashev, A. Yu. Teslenko, E. F. Zhilina, A. V. Schepochkin, O. S. Eltsov, G. L. Rusinov, V. N. Charushin // Tetrahedron. - 2014. - Vol.70, №31. - С. 4685-4696
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
INDOLO[3,2-B]CARBAZOLE -- INDOLE -- THIOPHENE
Аннотация: Novel 5,11-dialkyl-6,12-di(thiophen-2-yl) substituted 5,11-dihydroindolo[3,2-b]carbazoles have been obtained and plausible ways for their further modifications via the Friedel–Crafts reaction are presented. The formylation of these indolo[3,2-b]carbazoles with dichloromethyl alkyl esters catalysed by Lewis acids leads to the formation of the corresponding 2,8-diformyl derivatives. Applicability of this formylation method for modification of indolo[3,2-b]carbazoles bearing electron-rich aromatic substituents at C-6 and C-12 has also been demonstrated. The Knoevenagel condensation of 2,8-dialdehydes with active methylene nitriles has been studied. The measurements of optical and redox properties for a number of new indolo[3,2-b]carbazoles have been performed

\\\\expert2\\nbo\\Tetrahedron\\2014, v. 70 , p. 4685-4696.pdf
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8.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of polyfluoroalkyl-containing 1,3,5-triketones [Text] / M. V. Nikonov, D. L. Chizhov, V. G. Ratner, K. I. Pashkevich // Journal of Fluorine Chemistry. - 2000. - Vol. 106, № 2. - P115-116
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Synthesis of polyfluoro 1,3,5-triketones by modification of Claisen condensation is described.????

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9.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of New Heteroatomic Podands from Ethyl 2-[(2-Aminophenylamino)Methylidene]-3-Oxoalkanoates and Thiophene-2,5-Dicarboxaldehyde / Yu. S. Kudyakova, Ya. V. Burgart, P. A. Slepukhin, V. I. Saloutin // Mendeleev Communications. - 2012. - Vol.22, №5. - С. 284-286
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
HETEROATOMIC PODANDS -- 3-OXOALKANOATES -- DICARBOXALDEHYDE
Аннотация: Condensation of two moles of ethyl 2-[(2-aminophenylamino)methylidene]-3-oxo-3-(polyfluoroalkyl)propionates with 2,5-thiophene-dicarboxaldehyde results in new heteroatomic podands. X-ray data showed that in the solid state these molecules arrange in two independent chelating fragments of b-amino enone type, thiophene fragment being a spacer

\\\\Expert2\\nbo\\Mendeleev Communications\\2012, v.22, p. 284.pdf
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10.
Инвентарный номер: нет.
   

   
    Synthesis of mycostatics based on 4-aryldiazenyl-3,5-dimethylpyrazoles / O. G. Khudina, A. E. Ivanova, Ya. V. Burgart [et al.] // Russian chemical bulletin. - 2021. - Vol. 70, № 6. - P1124-1130
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
3-ARYLHYDRAZINYLIDENEPENTANE-2,4-DIONE -- CONDENSATION -- HYDRAZINES -- 4-ARYLDIAZENYL-3,5-DIMETHYLPYRAZOLES
Аннотация: The condensation of 3-arylhydrazinylidenepentane-2,4-diones with hydrazine hydrate, 2-hydroxyethylhydrazine, benzylhydrazine hydrochloride, and 4-hydrazinylbenzenesulfonamide hydrochloride gave 4-aryldiazenyl-3,5-dimethylpyrazoles. An alternative route to the synthesis of N-substituted 4-aryldiazenylpyrazoles is based on the alkylation of NH-pyrazoles with haloalkanes. The synthesized compounds were tested for antimicrobial activity against eight pathogenic dermatophytes, yeast-like fungi of the Candida genus and the bacteria Neisseria gonorrhoeae. The structure—activity relationship analysis showed that 4-tolyldiazenylpyrazoles bearing H, AcO(CH2)4, or HO(CH2)4 substituents at the N(1) atom have the highest mycostatic activity against all the dermatophyte strains under study. However, 4-aryldiazenyl-3,5-dimethylpyrazoles proved to be quite cytotoxic against the McCoy B cell line.

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11.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of ferrocenyl-substituted triterpenoids [Electronic resource] / V. A. Glushkov, L. V. Anikina, T. I. Gorbunova, A. N. Nedugov, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2013. - Vol.49, №8. - С. 1226-1230. - Bibliogr. : p. 1230 (26 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FERROCENYL-SUBSTITUTED TRITERPENOIDS -- SYNTHESIS -- CROTONIC CONDENSATION
Аннотация: Products of crotonic condensation of ferrocenecarbaldehyde with allobetulone and betolonic acid methyl ester are described

\\\\expert2\\NBO\\Russian Journal of Organic Chemistry\\2013, 49, (8), 1226-1230.pdf
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12.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of derivatives of the RGD peptide with the residues of glutaric and adipic acids [Electronic resource] / A. Yu. Vigorov, I. A. Nizova, V. P. Krasnov, A. M. Demin // Russian Journal of Bioorganic Chemistry. - 2014. - Vol.40, №2. - С. 142-150. - Bibliogr. : p. 149-150 (42 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMINO ACIDS -- PEPTIDE SYNTHESIS -- RACEMIZATION
Аннотация: Derivatives of the RGD peptide were prepared by the attachment of the residues of glutaric and adipinic acids to the α-amino group of L-arginine. This modification allowed condensation of these derivatives with other biomolecules or nanoparticles

\\\\expert2\\nbo\\Russian Journal of Bioorganic Chemistry\\2014, v.40, N 2, p.142-150.pdf
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13.
Инвентарный номер: нет.
   
   E 31

    Egorov, I. N.
    Synthesis of chiral pyrimidin-2(1H)-Ones from n-Carbamoyl amino acids [Electronic resource] / I. N. Egorov, V. L. Rusinov, O. N. Chupakhin // Zeitschrift fur Naturforschung - Section B. Journal of Chemical Science. - 2013. - Vol.68, №11. - С. 1253-1258. - Bibliogr. : p. 1258 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMINO ACIDS -- CHIRALITY -- CONDENSATION
Аннотация: A series of previously unknown pyrimidin-2(1H)-ones containing chiral amino acid fragments was synthesized from 1,1,3,3-tetramethoxypropane and N-carbamoyl derivatives of amino acids under acidic conditions

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14.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of carbon encapsulated metal (Ni and Cu) nano particles and applications for chiral catalysts [Text] / Young Rang Uhm , Hi Min Lee , O. V. Fedorova, I. G. Ovchinnikova, M. S. Valova, G. L. Rusinov, V. N. Charushin, Chang Kyu Rhee // Research on Chemical Intermediates . - 2010. - Vol. 36, № 6-7. - P867-873. - Bibliogr. : p. 873 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Carbon-encapsulated Ni and Cu nanoparticles with a core/shell structure were synthesized by levitational gas condensation (LGC). Methane (CH4) gas was used to coat the surface of the Ni and Cu nanoparticles. The Ni particles had a core diameter of 10 nm, and were covered by 2–3 nm thin carbon layers. In the case of Cu, the particles had a core diameter of 30 nm, and multi-shells with a thickness of 2–3 nm. Biginelli reaction in the presence of l-proline and Ni encapsulated nanoparticles was carried out to change the ratio between stereoisomers in favor of the S-enantiomer for 3,4–dihydropyrimidine (DHPM) with an excess of about 18%

\\\\Cserver\\dist\\НБО\\Электронная библиотека_Библиогр1\\Research on Chemical Intermediates\\2010, v. 36, N. 6-7, p.867.pdf
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15.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of 1-substituted 2-azaspiro[4.5]deca-6,9-diene-8-ones and 2-azaspiro[4.5]deca-1,6,9-triene-8-ones by a three-component condensation of 1,2,3-, 1,2,4- or 1,3,5-trimethoxybenzene with isobutyric aldehyde and nitriles [Text] / V. A. Glushkov, O. G. Stryapunina, A. A. Gorbunov, O. A. Maiorova, P. A. Slepukhin, S. Ya. Ryabukhina, E. V. Khorosheva, V. I. Sokol, Yu. V. Shklyaev // Tetrahedron. - 2010. - Vol. 66, № 3. - P721-729
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A three-component condensation of 1,2,3- or 1,2,4-trimethoxybenzene with isobutyric aldehyde and alkyl cyanoacetates in the presence of sulfuric acid resulted in the formation of substituted 2-azaspiro[4.5]deca-6,9-diene-8-ones. The same reaction of aromatic nitriles yielded 2-azaspiro[4.5]deca-1,6,9-triene-8-ones; in the case of 1,2,3-trimethoxybenzene corresponding Ritter amides were also observed. The condensation of 1,3,5-trimethoxybenzene with isobutyric aldehyde and alkyl cyanoacetates provided the compounds of the formal Knoevenagel condensation

\\\\Expert2\\nbo\\Tetrahedron\\2010, v.66, N 3,p.721.pdf
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16.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of 1-Substituted 2-Azaspiro[4.5]deca-6,9-dien-8-ones and 2-Azaspiro[4.5]deca-1,6,9-trien-8-ones by Condensation of 2,6-Dimethylphenol with Isobutyraldehyde and Nitriles / Y. S. Rozhkova, K. A. Khmelevskaya, Yu. V. Shklyaev, M. A. Ezhikova, M. I. Kodess // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol. 48, № 1. - С. 69-77. - Bibliogr. : p. 77 (39 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
STAPHYLOTRICHUM-COCCOSPORUM -- RADICAL CYCLIZATION -- RUTHENIUM COMPLEXES
Аннотация: 1-Substituted 3,3,7,9-tetramethyl-2-azaspiro[4.5]deca-6,9-dien-8-ones and 3,3,7,9-tetramethyl-2azaspiro[4.5]deca-1,6,9-trien-8-ones were synthesized by three-component condensation of 2,6-dimethylphenol with isobutyraldehyde and nitriles in concentrated sulfuric acid

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17.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis of 1,1,1,7,7,7-hexafluoroheptane-2,4,6-trione, the simplest fluorinated 1,3,5-triketone [Text] / D. V. Sevenard, O. Kazakova, D. L. Chizhov, G. -V. Roeschenthaler // Journal of Fluorine Chemistry. - 2006. - Vol. 127, № 7. - P983-986
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A simple, convenient and effective method to synthesize 1,1,1,7,7,7-hexafluoroheptane-2,4,6-trione, the simplest fluorinated 1,3,5-triketone, on a preparative scale was developed. The title compound was obtained by a Claisen-type double condensation of acetone with trifluoroacetic acid ethyl ester and isolated as a solid monohydrate from the reaction mixture. Subsequent dehydration proceeds smoothly to produce the desired compound as an individual substance. Its peculiar tautomeric (keto–enol, ring–chain) features in various solvents are discussed

\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2006, v.127, p.983.pdf
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18.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis and structure of homoleptic copper complexes based on fluorinated functionalized 1,3-diketones / V. I. Saloutin, Y. V. Burgart, Y. O. Edilova [et al.] // Russian chemical bulletin. - 2021. - Vol. 70, № 5. - P839-846
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FLUORINATED 1,3-DIKETONATES -- CLAISEN CONDENSATION -- ACETALS -- TRANSITION METAL DIKETONATES
Аннотация: Mononuclear copper(II) complexes were synthesized based on fluorinated diketonates decorated with a carbonyl or acetal group. The X-ray diffraction data demonstrate the effect of the nature of the fluorinated substituent on the crystal structure of homoleptic copper(II) complexes. As opposed to 1,2,4-triketonate, the acetal moiety of 1,3-diketonate enables intermolecular coordination to the metal centers, thereby making it possible to use 1,3-diketonate in further synthesis of heterometallic structures.

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19.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis and structure of 2-ethoxy- and 2-aminomethylidene-3-fluoroalkyl-3-oxopropionates [Electronic resource] / M. V. Pryadeina, Ya. V. Burgart, V. I. Saloutin, P. A. Slepukhin, O. N. Chupakhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2007. - Vol. 43, № 7. - P945-955
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Condensation of ethyl 3-polyfluoroalkyl-3-oxopropionates with excess triethyl orthoformate gave ethyl 3-polyfluoroalkyl-2-ethoxymethylidene-3-oxopropionates which reacted with primary aliphatic, aromatic, and heterocyclic amines to form ethyl 2-alkyl(aryl, hetaryl)aminomethylidene-3-polyfluoroalkyl-3-oxopropionates. According to the X-ray diffraction and IR data, the latter exist in the crystalline state as the corresponding E isomers, while in solution (NMR data), as mixtures of Z and E isomers. Condensation of ethyl 2-ethoxymethylidene-3-oxopropionates with secondary heterocyclic amines (morpholine and pyrrolidine) led to the formation of 2-morpholino(pyrrolidin-1-yl)methylidene-3-fluoroalkyl-3-oxopropionates which were shown to exist as Z isomers both in the crystalline state and in solution

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2007, 43 (7), 945-955.pdf
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20.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis and photophysical properties of 2-styrylquinazolin-4-ones [Electronic resource] / T. V. Trashakhova, E. V. Nosova, M. S. Valova, P. A. Slepukhin, G. N. Lipunova, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2011. - Vol. 47, № 5. - P753-761. - Bibliogr. : p. 761 (16 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: trans-2-Styryl-substituted 3H-, 3-phenyl-, and 3-naphthylquinazolin-4-ones and their 6,7-difluoro derivatives were synthesized by condensation of appropriate 2-methylquinazolin-4-ones with aromatic aldehydes or by the transformation of the heterocycle of 2-methyl-3,1-benzoxazin-4-one under the action of benzylidenephenylamines

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