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Вид документа : Статья из журнала
Шифр издания : 54/N 52
Автор(ы) : Verbitskiy E. V., Baranova A. A., Lugovik K. I., Khokhlov K. O., Cheprakova E. M., Rusinov G. L., Chupakhin O. N., Charushin V. N.
Заглавие : New V-shaped push-pull systems based on 4,5-di(hetero)aryl substituted pyrimidines: their synthesis and application to the detection of nitroaromatic explosives.
Место публикации : ARKIVOC. - 2016. - Vol. III. - С. 360-373
Примечания : Bibliogr. : p. 370-373 (50 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): pyrimidines--synthesis--nitroaromatic explosives
\\\\expert2\\NBO\\ARKIVOC\\2016, p.360-373.pdf
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Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Sarkar A., Santra S., Kundu S. K. , Zyryanov G. V., Chupakhin O. N., Charushin V. N., Majee A.
Заглавие : A decade update on solvent and catalyst-free neat organic reactions: a step forward towards sustainability [Электронный ресурс]
Место публикации : Green Chemistry. - 2016. - Vol. 18, № 16. - С. 4475-4525
Систем. требования: http://apps.webofknowledge.com/full
Примечания : 26.10.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): one-pot synthesis --diels-alder reactions--electron-deficient olefins
Аннотация: Particular success has been achieved in the synthesis of new products and in processes since the twelve principles of "green chemistry" were formulated in the 1990s. These products and processes are more compatible with human health, society, and the environment. In this review, a collection of research reports have been documented from the viewpoint of green chemistry. The main theme of this review is neat reactions, which are solvent and catalyst-free reactions. Neat reactions in the absence of any solvent or catalyst with concise summaries of microwave, ball milling, and neat reactions have been described.
\\\\expert2\\NBO\\Green Chemistry\\2016, v.18, N 16, p.4475.pdf
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Вид документа : Статья из журнала
Шифр издания : 54/S 98
Автор(ы) : Lipunova G. N., Nosova E. V., Charushin V. N., Chupakhin O. N.
Заглавие : Synthesis and antitumour activity of 4-aminoquinazoline derivatives [Электронный ресурс]
Место публикации : Russian Chemical Reviews. - 2016. - Vol. 85, № 7. - С. 759-793
Систем. требования: http://apps.webofknowledge.com/full
Примечания : 31.10.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): growth-factor receptor --potent egfr inhibitors--tyrosine kinase inhibitors
Аннотация: Scieces of data on the synthesis and antitumour activity of 4-aminoquinazolines are summarized and analyzed. Key methods for the synthesis of these compounds are considered, primarily cyclocondensation of carboxylic acid derivatives, as well as the oxidation of quinazolines and the cyclization of disubstituted thioureas. Improvements of synthetic schemes for erlotinib, gefitinib and lapatinib, which are the best-known pharmaceuticals based on compounds of the title class, are also considered. Synthetic strategies and biological activities for new 4-aminoquinazoline derivatives that are EGFR-tyrosine kinase inhibitors, multiactive compounds, and labelled compounds for use as positron emission tomography (PET) imaging agents are discussed.
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Вид документа : Статья из журнала
Шифр издания : 54/C 51
Автор(ы) : Kharitonova M. I., Antonov K. V., Fateev I. V., Berzina M. Ya., Kotovskaya S. K., Charushin V. N.
Заглавие : Chemoenzymatic Synthesis of Modified 2′-Deoxy-2′-fluoro-β-d-arabinofuranosyl Benzimidazoles and Evaluation of Their Activity Against Herpes Simplex Virus Type 1
Место публикации : Synthesis (Germany). - 2017. - Vol. 49, № 5. - С. 1043-1052
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): chemoenzymatic synthesis--benzimidazoles--herpes simplex virus type 1
Аннотация: 1-(2′-Deoxy-2′-fluoro-β-d-arabinofuranosyl)benzimidazoles containing 4,6-difluoro-, 4,5,6-trifluoro-, 5-fluoro-6-methoxy-, and 5-methoxy-4,6-difluorobenzimidazole fragments were synthesized by using purine nucleoside phosphorylase-catalyzed chemoenzymatic approach. As expected, enzymatic synthesis of nucleosides proceeds in lower yields of target compounds in comparison with the synthesis of ribo- and 2′-deoxyribobenzimidazoles (40–55% vs 60–90%). The compounds obtained were tested against the herpes simplex virus type 1, by using the Vero E6 cells. 5-Methoxy-4,6-difluoro-1-β-d-(2′-deoxy-2′-fluoroarabinofuranosyl)benzimidazole did not show any antiviral activity, when used in nontoxic concentration. All other nucleosides proved to exhibit a selective antiherpes activity. In contrast, it was shown that benzimidazole-β-d-arabinofuranosides of both di- and trisubstituted derivatives, having substituents in positions 4–6 of the benzene ring, as well as unsubstituted compounds, cannot be synthesized by enzymatic transglycosylation. 1-(β-d-Arabinofuranosyl)benzimidazole was obtained through glycosylation of N-trimethylsilylbenzimidazole with 1-chloro-2,3,5-O-methoxymethyl-d-arabinose. The behavior of this compound, as inhibitor of purine nucleoside phosphorylase (PNP) E. сoli, was investigated. 1-(β-d-Arabinofuranosyl)benzimidazole was found to belong to a mixed type of inhibitors of PNP. This fact explains why all attempts to perform enzymatic arabinosylation of 4,6-di-, 5,6-di-, and 4,5,6-trisubstituted benzimidazoles failed
\\\\expert2\\NBO\\Synthesis\\2017, v. 49(5), p. 1043-1052.pdf
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Вид документа : Статья из журнала
Шифр издания : 54/S 98
Автор(ы) : Sosnovskikh V. Ya., Safrygin A. V., Irgashev R. A., Ezhikova M. A., Kodess M. I.
Заглавие : Synthesis of 4-arylamino-3-(trifluoromethyl)pyridazines and pyridazino[3,4-b]quinoxalines (as by-products) from 3-aroylmethyl-2-(trifluoromethyl)quinoxalines and hydrazine hydrate
Место публикации : RSC Advances. - 2016. - Vol. 6. - С. 30056-30069
Примечания : Bibliogr. : p. 30069 (14 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): synthesis--hydrazine hydrate--4-arylamino-3-(trifluoromethyl)pyridazines
\\\\expert2\\nbo\\RSC Advances\\2016. Vol. 6, С. 30056.pdf
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Вид документа : Статья из журнала
Шифр издания : 54/M 65
Автор(ы) : Verbitskiy E. V., Baskakova S. A., Rasputin N. A., Gerasimova N. A., Amineva P. G., Evstigneeva N. P., Zil'berberg N. V., Kungurov N. V., Kravchenko M. A., Skornyakov S. N., Rusinov G. L., Chupakhin O. N., Charushin V. N.
Заглавие : Microwave-assisted synthesis and evaluation of antibacterial activity of novel 6-fluoroaryl-[1,2,4]triazolo[1,5-a]pyrimidines.
Место публикации : ARKIVOC. - 2016. - Vol. V. - С. 268-278
Примечания : Bibliogr. : p. 276-278 (28 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): synthesis--pyrimidines--antibacterial activity
\\\\expert2\\NBO\\ARKIVOC\\2016, p.268-278.pdf
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Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Irgashev R. A., Kazin N. A., Kim G. A., Rusinov G. L., Charushin V. N.
Заглавие : A new synthetic approach to fused nine-ring systems of the indolo[3,2-b]carbazole family through double Pd-catalyzed intramolecular C–H arylation
Место публикации : RSC Advances. - 2016. - Vol. 6. - С. 70106-70116
Примечания : Bibliogr. : p. 70115-70116 (22 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): pd-catalyzed--c–h arylation --synthesis
\\\\expert2\\NBO\\RSC Advances\\2016. Vol. 6, N 70106.pdf
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Вид документа : Статья из журнала
Шифр издания : 54/C 57
Автор(ы) : Chupakhin O. N., Charushin V. N., Rusinov V. L.
Заглавие : Scientific foundations for the creation of antiviral and antibacterial preparations [Электронный ресурс]
Место публикации : Herald of the Russian Academy of Sciences. - 2016. - Vol. 86, № 3. - С. 206-212
Систем. требования: http://download.springer.com/static/pdf/65/
Примечания : 26.10.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): triazide and azoloazine derivatives --triazavirin--protein disulfide isomerase
Аннотация: The results of the Ural scientific school's organic chemists on the creation of antiviral and antibacterial, including antitubercular, chemopreparations are considered. Basic research data were generalized on the synthesis and study of antiviral activity and the establishment of the metabolism and mechanism of azoloazine series compounds-azaanalogs of adenine and guanine, as well as their nucleosides, which led to the creation of a new family of antiviral substances. One of them, triazavirin, has become a regular therapeutic fixture as an antiflu preparation. The results of synthetic and biological studies on substituted pyrimidines, nucleosides of the benzimidazole and purine series, and other biologically active azaheterocycles are also discussed.
\\\\expert2\\NBO\\Herald of the Russian Academy of Sciences\\2016. V. 86, N 3. P. 206-212.pdf
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10.

Вид документа : Статья из журнала
Шифр издания : 54/C 75
Автор(ы) : Irgashev R. A., Karmatsky A. A., Rusinov G. L., Charushin V. N.
Заглавие : Construction of Heteroacenes with Fused Thiophene and Pyrrole Rings via the Fischer Indolization Reaction
Место публикации : Organic Letters. - 2016. - Vol. 18, № 4. - С. 804-807
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): fused thiophene--pyrrole rings--fischer indolization reaction
Аннотация: A convenient approach to ladder-type 6H-benzo[4',5']thieno[2',3':4,5]thieno[3,2-b]indoles, e.g., I (X-rays single crystal structure shown), bearing various substituents in both terminal benzene rings has been developed. The protocol suggested for prepg. these N,S-heteroacenes is based on using easily available reagents, such as cinnamic acids and arylhydrazines, which can be involved in the Fischer indole synthesis, as the key step. A similar condensed system of 12H-benzo[4'',5'']thieno[2'',3'':4',5']thieno[2',3':4,5]thieno[3,2-b]indole, bearing six rings, has also been obtained.
\\\\expert2\\nbo\\Organic Letters\\2016, v.18, N 4, p.804-807,pdf.pdf
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11.

Вид документа : Статья из журнала
Шифр издания : 54
Автор(ы) : Varaksin M. V., Chupakhin O. N., Charushin V. N., Khlamkin K. A., Utepova I. A.
Заглавие : Methodology of C(sp2)-H functionalization in mono- and diazine N-oxides in the synthesis of heterocyclic meso-substituted calixarenes
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2015. - Vol. 6, № 5. - С. 1093-1096
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): meso-substituted calixarenes--meso-substituted azinylcalixarenes--metal catalysis
Аннотация: Earlier unknown meso-substituted azinylcalixarenes were obtained by a direct cross-coupling of 2-lithium-25,26,27,28-tetramethoxycalix[4]arenes with mono- and diazine N-oxides without transition metal catalysis.
\\\\expert2\\nbo\\Russian Chemical Bulletin\\2015, 64 (5), 1093-1096.pdf
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12.

Вид документа : Статья из журнала
Шифр издания : 54/B 78
Автор(ы) : Lipunova G. N., Nosova E. V., Charushin V. N., Chupakhin O. N.
Заглавие : Boron(III) Complexes with N,N'- and N,O-Heterocyclic Ligands: Synthesis and Spectroscopic Properties
Место публикации : Comments on Inorganic Chemistry. - 2016. - Vol. 2016. - С. 1153470
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): properties --preparation-- synthetic preparation
Аннотация: This review is focused on consideration of effects of the nature of N,N'- and N,O-bidentate ligands on the structure and optical properties of their B(III) complexes. It has been established that B(III) complexes with asym. N,N'- and N,O-bidentate ligands, such as ortho-hydroxyphenyl substituted azaheterocycles and heteryl-β-ketoimines, exhibit large Stokes shifts, enhanced intensity, and extended range for luminescence in solns. as well as in solid state, comparable with characteristics of the family of BODIPYs derivs. Complexes of some bidentate ligands can be considered as promising fluorophores for applications in biomedical imaging, electroluminescent, solar cell devices, and other fields.
\\\\expert2\\nbo\\Comments on Inorganic Chemistry\\2016. P. 1153470.pdf
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13.

Вид документа : Статья из журнала
Шифр издания : 54/H 62
Автор(ы) : Verbitskiy E. V., Cheprakova E. M., Makarova N. I., Dorogan I. V., Metelitsa A. V., Minkin V. I., Slepukhin P. A., Svalova T. S., Ivanova A. V., Kozitsina A., Charushin V. N., Rusinov G. L., Chupakhin O. N.
Заглавие : Heteroacenes Bearing the Pyrimidine Scaffold: Synthesis, Photophysical and Electrochemical Properties [Электронный ресурс]
Место публикации : European Journal of Organic Chemistry. - 2016. - Vol. 2016, № 7. - С. 1420-1428
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): pyrimidine scaffold--perimidine systems--boronic acids
Аннотация: A convenient synthetic route to novel 7-substituted benzo[f]thieno[3,2-h]quinazoline and 8-substituted benzo[g,h]dithieno[2,3-e:3',2'-j]perimidine systems, bearing the fused pyrimidine ring, has been advanced. A com. available 5-bromopyrimidine was used as the starting material to obtain various polycyclic systems through the sequence of nucleophilic arom. substitution of hydrogen (the SNH reaction), Suzuki cross-coupling and oxidative photocyclization. Evidence for the structure of benzo[g,h]dithieno[2,3-e:3',2'-j]perimidines has been obtained by X-ray crystallog. anal. MO calcns. (DFT), as well as redox and optical measurements for all new compds. have been performed. The data show that the reported polycyclic systems have potential for use in org. electronic applications. The synthesis of the target compds. was achieved using 5-bromo-4-(2-thienyl)pyrimidine and (phenyl)boronic acids as starting materials.
\\\\expert2\\NBO\\European Journal of Organic Chemistry\\2016, № 7, p. 1420-1428.pdf
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14.

Вид документа : Статья из журнала
Шифр издания : 54/S 98
Автор(ы) : Nosova E. V., Moshkina T. N., Lipunova G. N., Kopchuk D. S., Slepukhin P. A., Baklanova I. V., Charushin V. N.
Заглавие : Synthesis and Photophysical Studies of 2-(Thiophen-2-yl)-4-(morpholin-4-yl) quinazoline Derivatives [Электронный ресурс]
Место публикации : European Journal of Organic Chemistry. - 2016. - № 16. - С. 2876-2881
Систем. требования: http://apps.webofknowledge.com/full
Примечания : 26.10.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): photophysics --charge transfe--fluorescence
Аннотация: The synthesis of a series of push-pull aryl and arylethynyl 2-(thiophen-2-yl) quinazoline derivatives is presented. The photophysical properties of the newly generated compounds are also described. Functionalization of the (2-thienyl) quinazoline fluorophore at the 5'-position with aryl and arylethynyl moieties was performed using bromination and subsequent palladium-catalyzed cross-coupling reactions. Optical studies revealed that 4-(diethylamino) phenyl and 4-(diphen-ylamino) phenyl derivatives emit green light upon irradiation, whereas their 4-(9H-carbazol-9-yl) phenyl, methoxyphenyl, thienyl and arylethynyl counterparts are characterized by blue light emission capabilities. The effect of protonation has also been studied, and the ability of some of these molecules to function as colorimetric and luminescent pH sensors has been demonstrated with significant color changes and luminescence switching upon the introduction of acid.
\\\\expert2\\NBO\\European Journal of Organic Chemistry\\2016, №16. p.2876-2881.pdf
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15.

Вид документа : Статья из журнала
Шифр издания : 54/S 98
Автор(ы) : Krasnov V. P., Vigorov A. Yu., Musiyak V. V. , Nizova I. A., Gruzdev D.A., Matveeva T. V., Levit G. L., Charushin V. N.
Заглавие : Synthesis and antimycobacterial activity of N-(2-aminopurin-6-yl) and N-(purin-6-yl) amino acids and dipeptides [Электронный ресурс]
Место публикации : Bioorganic and Medicinal Chemistry Letters. - 2016. - Vol. 26, № 11. - С. 2645-2648
Систем. требования: http://apps.webofknowledge.com/full
Примечания : 26.10.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): purine --glutamic acid--amino acids
Аннотация: Synthetic routes to novel N-(purin-6-yl)- and N-(2-aminopurin-6-yl) conjugates with amino acids and glycine-containing dipeptides were developed. In vitro testing of 42 new and known compounds made it possible to reveal a series of N-(purin-6-yl)- and N-(2-aminopurin-6-yl) conjugates exhibiting significant antimycobacterial activity against Mycobacterium tuberculosis H37Rv, Mycobacterium avium, Mycobacterium terrae, and multidrug-resistant M. tuberculosis strain isolated from tuberculosis patients in the Ural region (Russia). N-(2-Aminopurin-6-yl)- and N-(purin-6-yl)-glycyl-(S)-glutamic acids were the most active compounds. (C) 2016 Elsevier Ltd. All rights reserved
\\\\expert2\\NBO\\Bioorganic and Medicinal Chemistry Letters\\2016, v. 26, p. 2645.pdf
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16.

Вид документа : Статья из журнала
Шифр издания : 54/A 89
Автор(ы) : Fedorova O. V., Titova Yu. A., Vigorov A. Yu., Toropova M. S., Alisienok O. A., Murashkevich A., Krasnov V. P., Rusinov G. L., Charushin V. N.
Заглавие : Asymmetric Biginelli Reaction Catalyzed by Silicon, Titanium and Aluminum Oxides
Место публикации : Catalysis Letters. - 2016. - Vol.146, № 2. - С. 493-498
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): biginelli reaction --phenylethylamine --aluminum oxides
Аннотация: The asym. Biginelli reaction was investigated in the presence of N-[(2S,4R)-4-hydroxyprolyl]-(S)-1-phenylethylamine as chiral inducer and silicon, titanium or aluminum oxides (individual and mixed, bulk and nanosized) as heterogeneous catalysts. The synthesis of Et (4R)-6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate from benzaldehyde, urea and Et acetoacetate has been described. It has been shown that all studied oxides improve chemo- and stereoselectivity of the Biginelli reaction.
\\\\expert2\\nbo\\Catalysis Letters\\2016, v.146, p.493.pdf
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17.

Вид документа : Статья из журнала
Шифр издания : 54/S 98
Автор(ы) : Verbitskiy E. V., Baskakova S. A., Kravchenko M. A., Skornyakov S. N., Rusinov G. L., Chupakhin O. N., Charushin V. N.
Заглавие : Synthesis and evaluation of antitubercular activity of fluorinated 5-aryl-4-(hetero)aryl substituted pyrimidines [Электронный ресурс]
Место публикации : Bioorganic and Medicinal Chemistry. - 2016. - Vol. 24, № 16. - С. 3771-3780
Систем. требования: http://apps.webofknowledge.com/full
Примечания : 26.10.16
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): pyrimidine--antimycobacterial activity--tuberculosis
Аннотация: Various 5-(fluoroaryl)-4-(hetero)aryl substituted pyrimidines have been synthesized based on the Suzuki cross-coupling and nucleophilic aromatic substitution of hydrogen (S-N(H)) reactions starting from commercially available 5-bromopyrimidine and their antitubercular activity against Mycobacterium tuberculosis H(37)Rv has been explored. The outcome of the study disclose that, some of the compounds have showed promising activity in micromolar concentration against Mycobacterium tuberculosis H(37)Rv, Mycobacterium avium, Mycobacterium terrae, and multidrug-resistant strains isolated from tuberculosis patients in Ural region (Russia). The data concerning the 'structure-activity' relationship for fluorinated compounds have been discussed
\\\\expert2\\NBO\\Bioorganic and Medicinal Chemistry\\2016, V.24, N 16, p.3771-3780.pdf
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18.

Вид документа : Статья из журнала
Шифр издания : 54/F 70
Автор(ы) : Lipunova G. N., Nosova E. V., Charushin V. N., Chupakhin O. N.
Заглавие : Fluorine-containing indazoles: Synthesis and biological activity
Место публикации : Journal of Fluorine Chemistry. - 2016. - Vol. 192. - С. 1-21
Примечания : Bibliogr. : p. 19-21 (108 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): indazoles--synthesis--fluorine-containing indazoles
Аннотация: New synthetic approaches to fluorinated indazoles, as well as the features of their biological properties are presented and discussed in the frames of this review article.
\\\\expert2\\nbo\\Journal of Fluorine Chemistry\\2016,V.192, p.1-21.pdf
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19.

Вид документа : Статья из журнала
Шифр издания : 54/A 10
Автор(ы) : Irgashev R. A., Kazin N. A., Rusinov G. L., Charushin V. N.
Заглавие : A convenient synthesis of new 5,11-dihydroindolo[3,2-b]carbazoles bearing thiophene, 2,2′-bithiophene or 2,2′:5′,2″-terthiophene units at C-2 and C-8 positions
Место публикации : Tetrahedron Letters. - 2017. - Vol. 58, № 32. - С. 3139-3142
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): 5,11-dihydroindolo[3,2-b]carbazole--thiophene--3-chloroacrylaldehyde--the vilsmeier–haack formylation--the fiesselmann reaction
Аннотация: A series of new 5,11-dihydroindolo[3,2-b]carbazole derivatives, containing functional thiophene, 2,2′-bithiophene or 2,2′:5′,2″-terthiophene moieties at both C-2 and C-8 positions of their fused scaffolds, have been obtained from 2,8-diacetyl-substituted 5,11-dihydroindolo[3,2-b]carbazole compounds through the effective strategy, which is based on the sequence of two reactions, namely the Vilsmeier–Haack formylation and the Fiesselmann thiophene synthesis. The starting acetyl substituted materials have been transformed into the corresponding 3-chlorocrylaldehyde-containing compounds by treatment with POCl3-DMF complex, followed by the reaction with alkyl thioglycolates or α-mercaptoacetone in the presence of triethylamine to afford 2-carboalkoxythiophene- or 2-acetylthiophene-linked derivatives. 2-Acetylthiophene derivatives have further been involved into the same sequence of reactions to obtain 2,2′-bithiophene-, and 2,2′:5′,2″-terthiophene-linked 5,11-dihydroindolo[3,2-b]carbazole compounds.
\\\\Expert2\\NBO\\Tetrahedron Letters\\2017 v.58 p.3139-3142.pdf
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20.

Вид документа : Статья из журнала
Шифр издания : 54/S 70
Автор(ы) : Kopchuk D. S., Chepchugov N. V., Kovalev I. S., Santra S., Rahman M., Zyryanov G. V., Charushin V. N., Chupakhin O. N., Giri K., Majee A.
Заглавие : Solvent-free synthesis of 5-(aryl/alkyl)amino-1,2,4-triazines and α-arylamino-2,2′-bipyridines with greener prospects
Место публикации : RSC Advances. - 2017. - Vol. 7, № 16. - С. 9610-9619
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A green and highly efficient method has been developed for the synthesis of 5-(aryl/alkyl)amino-1,2,4-triazines and a-arylamino-2,20-bipyridines according to the principles of atom economy. It has been performed by two consecutive solvent-free reaction pathways: the ipso-substitution of a cyano-group in 5-cyano-1,2,4-triazines and the aza-Diels-Alder reaction of the resulting 5-arylamino-1,2,4-triazines with 1-morpholinocyclopentene used as a dienophile. Solvent and catalyst-free conditions, operational simplicity, the compatibility with various functional groups, nonchromatographic purification technique, and high yields are the notable advantages of this procedure. The present methodology possesses a low E-factor.
\\\\Expert2\\NBO\\RSC Advances\\2017 v.7 p.9610-9619.pdf
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