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Общее количество найденных документов : 75
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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Moshkina T. N., Nosova E. V., Kopotilova A. E., Slepukhin P. A., Taniya O. S., Charushin V. N., Lipunova G. N., Osmialowski B., Reguant A. I., Kalinichev A. A.
Заглавие : (A)symmetric chromophores based on cyano and fluorine-substituted 2,3-bis(5-arylthiophen-2-yl)quinoxalines: Synthesis, photophysical properties and application prospects
Место публикации : Dyes and Pigments. - 2022. - Vol. 204. - Ст.110434
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Moshkina T. N., Nosova E. V., Kopotilova A. E., Savchuk M. I., Nikonov I. L., Kopchuk D. S., Khalymbadzha I. A., Slepukhin P. A., Charushin V. N., Ganebnykh I. N.
Заглавие : Synthesis and photophysical properties of pyridyl- and quinolinyl-substituted bis(arylthienyl)pyridines
Место публикации : Journal of photochemistry and photobiology A: Chemistry. - 2022. - Vol. 427. - Ст.113805
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Moshkina T. N., Nosova E. V., Kopotilova A. E., Savchuk M. I., Nikonov I. L., Kopchuk D. S., Slepukhin P. A., Charushin V. N., Kim G. A., Lipunova G. N.
Заглавие : Synthesis and photophysical properties of pyridyl- and quinolinyl-substituted 4-(4-aminophenyl)quinazolines
Место публикации : Journal of photochemistry and photobiology A: Chemistry. - 2022. - Vol. 429. - Ст.113917
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
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4.

Вид документа : Статья из журнала
Шифр издания : Г/A 99
Автор(ы) : Taniya O. S., Khasanov A. F., Varaksin M. V., Starnovskaya E. S., Krinochkin A. P., Savchuk M. I., Kopchuk D. S., Kovalev I. S., Nosova E. V., Zyryanov G. V., Chupakhin O. N., Kim G. A.
Заглавие : Azapyrene-based fluorophores: synthesis and photophysical properties
Место публикации : New Journal of Chemistry. - 2021. - Vol. 45, № 45. - С. 20955-20971
ББК : Г
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Azapyrenes are the nitrogen isosteres of pyrene. Based on theoretical and experimental studies, electron–acceptor azapyrene domains may be considered as convenient scaffolds for constructing a large variety of “push–pull” π-conjugated chromophores with pronounced ICT properties. Over the past decade, due to the unrelenting interest in functional materials and modern methodologies such as cross-coupling, peri-annulation, direct C–H-functionalization, etc., methods for the synthesis of aryl(alkyl) K-functionalized azapyrenes and other derivatives have been developed, and their photophysical and electrochemical properties have been studied. This short review aims at critical analysis of the best known/modern methods for the preparation of functionalized azapyrene derivatives, as well as an assessment of their photophysical/electrochemical properties in comparison with the structural and electronic properties of the parent pyrene.
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5.

Вид документа : Статья из журнала
Шифр издания : Г/T 44
Автор(ы) : Moshkina T. N., Nosova E. V., Lipunova G. N., Slepukhin P. A., Nikonov I. L., Charushin V. N., Zhilina E. F.
Заглавие : The Rh(III)-catalysed C-H/N-H annulation of 2-thienyl- and 2-phenyl-quinazolin-4(3: H)-ones with diphenylacetylene
Место публикации : New Journal of Chemistry. - 2021. - Vol. 45, № 19. - С. 8456-8466
ББК : Г
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A series of 4,5-diphenyl-7H-thieno[2′,3′:3,4]pyrido[2,1-b]quinazolin-7-ones was synthesized via the Rh(III)-catalyzed annulation of 2-thienylquinazolin-4(3H)-ones with diphenylacetylene. 2-Phenylquinazolin-4(3H)-one amide alcoholysis and double C–H functionalization proceeded under the same reaction conditions with the formation of 2,3,7,8-tetraphenyl-1H-benzo[d,e][1,8]-naphthyridine derivatives. All compounds possess fluorescence properties in MeCN and toluene solutions as well as in the solid state. The aggregation induced emission (AIE) properties and the ability to detect Fe3+ cations were evaluated.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mochulskaya N. N., Nosova E. V., Charushin V. N.
Заглавие : Antiviral agents – benzazine derivatives
Место публикации : Chemistry of heterocyclic compounds. - 2021. - Vol. 57. - С. 374–382
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): benzazines--quinazoline--quinoline--quinoxaline
Аннотация: The review outlines the results of studies of the antiviral activity of quinoline, quinoxaline, and quinazoline derivatives published over the past 5 years. The supplied data indicate the enormous potential of benzazines for the design of effective antiviral drugs.
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7.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Moshkina T. N., Kopotilova A. E., Nosova E. V., Lipunova G. N., Charushin V. N.
Заглавие : Synthesis of “push-pull” fluorophores based on 2-aryl(heteryl)quinazolines
Место публикации : Mendeleev 2021: book of abstracts XII international conference on chemistry for young scientists. - Saint Petersburg, 2021. - С. 607
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lipunova G. N., Nosova E. V., Zyryanov G. V., Charushin V. N., Chupakhin O. N.
Заглавие : 1,2,4,5-Tetrazine derivatives as components and precursors of photo- and electroactive materials
Место публикации : Organic chemistry frontiers. - 2021. - Vol. 8, № 18. - С. 5182-5205
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Extensive research on the synthesis and application of tetrazine derivatives for electronic devices, luminescent elements, photoelectric conversion elements, and image sensors has been published recently. This review covers reported data on the modern trends in the design of functionalized tetrazines obtained within the period 2010–2020. Aryl(heteroaryl) and arylvinyl derivatives of tetrazines and their photoluminescence and application for fluorogenic probes are discussed. Examples of photosensitive oligomers and polymer 3,6-dithienyltetrazines are reviewed.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Moshkina T. N., Nosova E. V., Charushin V. N., Lipunova G. N., Valova M. S., Petrusevich E. F., Zalesny R., Osmialowski B.
Заглавие : Substituted 2-(2-hydroxyphenyl)–3H-quinazolin-4-ones and their difluoroboron complexes: Synthesis and photophysical properties
Место публикации : Spectrochimica acta part A: molecular and biomolecular spectroscopy. - 2021. - Vol. 252. - С. 119497
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): esipt--fluorescence--o-ligand--bf2-complex2-(2-hydroxyphenyl)–3h-quinazolin-4-ones
Аннотация: 2-(2-Hydroxyphenyl)–3H-quinazolin-4-ones with diverse substituents at phenol ring and their six-membered difluoroboron complexes have been synthesized via few-stage approach. The photophysical properties of target compounds have been investigated in two solvents as well as in the solid state. The nature of substituents and substitution point in the phenol moiety of ligands and resulting BF2-complexes on the photophysical properties of dyes have been explored. The complex bearing two t-Bu groups proved to be the most emissive in solid state, whereas its 5-methoxy and 4-diethylamino counterparts possess strong emission in toluene solution. The dyes exhibited large Stokes shifts which was attributed to excited state intramolecular proton transfer (ESIPT). Additionally, fluorescence of quinazolinones in the mixture of THF/water was studied. All ligands demonstrated emission enhancement with increase of water fraction which was due to aggregation induced emission.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Moshkina T. N., Nosova E. V., Kopotilova A. E., Lipunova G. N., Sadieva L. K., Kopchuk D. S., Slepukhin P. A., Charushin V. N., Valova M. S., Zalesny R., Osmialowski B.
Заглавие : Synthesis and photophysical studies of novel v-shaped 2,3-bis{5-aryl-2-thienyl}(dibenzo[f,h])quinoxalines
Место публикации : Asian journal of organic chemistry. - 2020. - Vol. 9, № 4. - С. 673-681
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): cross-coupling--dibenzo[f,h]quinoxaline--donor-acceptor-donor chromophores--fluorescence--sensors
Аннотация: A series of novel V-shaped luminophores containing electron-withdrawing dibenzo[f,h]quinoxaline core and arylthienyl donor fragments at positions 2 and 3 has been synthesized. The absorption spectra (UV/vis) were recorded in several solvents, whereas emission spectra were recorded in solutions and powders. The solvatochromism as well as halochromism of obtained compounds was also explored. Electronic-structure calculations using quantum-chemistry methods were performed to further analyse experimental results. All characteristics were compared with that of 2,3-bis(arylthienyl)quinoxaline counterparts. The halochromic effect studies showed that upon gradual addition of trifluoroacetic acid (TFA) to the toluene solution of diethylaminophenyl-substituted dibenzo[f,h]quinoxaline chromophore, absorption and emission changed. Observed band shifts were more distinct in the case of mentioned quinoxaline than for other derivatives. All of the (dibenzo[f,h])quinoxaline chromophores exhibited good sensitivity toward nitro-containing explosives with high Stern-Volmer constants up to 57800 M−1, these results are remarkable for such heterocyclic systems.
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