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 Найдено в других БД:Публикации Чарушина В.Н. (24)
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Общее количество найденных документов : 31
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1.
Инвентарный номер: нет.
   


   
    Synthesis of “push-pull” fluorophores based on 2-aryl(heteryl)quinazolines / T. N. Moshkina, A. E. Kopotilova, E. V. Nosova [et al.] // Mendeleev 2021: book of abstracts XII international conference on chemistry for young scientists. - Saint Petersburg, 2021. - P607
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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2.
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    Synthesis of new water-soluble polyarene-substituted naphtho[1,2-d]oxazole-based fluorophores as fluorescent dyes and biological photosensitizers / N. V. Slovesnova, A. S. Minin, O. S. Taniya [et al.] // Dyes and Pigments. - 2022. - Vol. 204. - Ст. 110410
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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3.
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    Synthesis of 5-(4-bromophenyl)- and 5-(5-bromothiophen-2-yl)-substituted 3-aryl[1,2,4]triazolo[4,3-c]quinazolines / E. V. Nosova, A. E. Kopotilova, M. A. Ivan’kina [et al.] // Russian chemical bulletin. - 2022. - Vol. 71, № 7. - P1483-1487
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A series of [1,2,4]triazolo[4,3-c]quinazolines, bearing 3-positioned p-bromophenyl or 5-bromothiophen-2-yl fragment, was synthesized by oxidative cyclization of the corresponding hydrazones with bromine in glacial acetic acid at room temperature. The obtained tricyclic derivatives are valuable intermediates for biologically active compounds and fluorophores.

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4.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis and optical properties of new photochromic systems based on 1,2-bis(2-methylbenzo[b]thien-3-yl) hexafluorocyclopentenes and 5,7-dihydro-1H-1,2,5,7,8-pentaaza-s-indacen-6-one or 1,7-dihydro-5-thia-1,2,7,8- tetraaza-s-indacen-6-one derivatives [Electronic resource] / M. M. Krayushkin, A. M. Bogacheva, A. N. Komogortsev, B. V. Lichitsky, A. A. Dudinov, K. S. Levchenko, O. I. Kobeleva, T. M. Valova, V. A. Barachevskii, V. N. Charushin // Journal of Sulfur Chemistry. - 2013. - Vol.34, №6. - С. 580-587. - Bibliogr. : p. 587 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
BIS(BENZOTHIENYL)HEXAFLUOROCYCLOPENTENES -- FLUORESCENT DYES -- PHOTOCHROMES
Аннотация: New photochromic molecules based on 1,2-bis(2-methylbenzo[b]thien-3-yl) hexafluorocyclopentenes and fluorescent 5,7-dihydro-1H-1,2,5,7,8-pentaaza-s- indacen-6-one or 1,7-dihydro-5-thia-1,2,7,8-tetraaza-s-indacen-6-one derivatives were synthesized via nucleophilic substitution. Photochromic properties of the compounds and composite mixtures of fluorophores and photochrome were investigated

\\\\expert2\\nbo\\Journal of Sulfur Chemistry\\2013. V. 34, N 6. P. 580-587.pdf
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5.
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    Synthesis and characterization of linear 1,4-diazine-triphenylamine–based selective chemosensors for recognition of nitroaromatic compounds and aliphatic amines / E. V. Verbitskiy, Y. A. Kvashnin, E. F. Zhilina [et al.] // Dyes and pigments. - 2020. - Vol. 178. - P108344
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ALIPHATIC AMINES -- FLUORESCENCE QUENCHING -- NITROAROMATIC COMPOUNDS -- PYRAZINE -- QUINOXALINE -- SOLVATOCHROMISM
Аннотация: Novel 1,4-diazine-based dyes of the D–π–A type, possessing triphenylamine as an electron-donating group, have been developed. Fluorescence studies have demonstrated that emission of these fluorophores is sensitive towards different nitroaromatic compounds and aliphatic amines, both in solutions and in a vapor phase. Moreover, these compounds can be considered as “naked-eye” fluorescent probes for solution polarity because they possess pronounced solvatochromic properties. Therefore, these compounds have to be regarded as potential multifunctional chemosensors for monitoring hazardous organic substances.

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6.
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    Photosphysical properties of green-emitting polyfluorinated 10-(1h-1,2,3-triazol-1-yl)pyrido[1,2-a]indole fluorophores / T. D. Moseev, M. V. Varaksin, D. A. Gorlov [et al.] // Actual problems of organic chemistry and biotechnology. - Екатеринбург, 2020. - P271-273
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PYRIDO[1,2-A]INDOLES -- FLUOROPHORES

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7.
Инвентарный номер: нет.
   


   
    Novel push-pull fluorophores based on polyfluoroaryl-modified 2H-imidazoles / T. D. Moseev, M. V. Varaksin, E. A. Virlova, V. N. Charushin, O. N. Chupakhin // Mendeleev 2021: book of abstracts XII international conference on chemistry for young scientists. - Saint Petersburg, 2021. - С. 606
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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8.
Инвентарный номер: нет.
   


   
    Novel pentafluorophenyl- and alkoxyphenyl-appended 2,2'-bipyridine push-pull fluorophores: a convenient synthesis and photophysical studies / T. D. Moseev, E. A. Nikiforov, M. V. Varaksin [et al.] // Synthesis. - 2021. - Vol. 53, № 19. - P3597-3607
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
2,2′-BIPYRIDINES -- 1,2,4-TRIAZINES -- POLYFLUOROARENES
Аннотация: A convenient method for the synthesis of new highly in non-polar solvents soluble photoactive pentafluorophenyl-substituted and extended alkoxyphenyl-substituted 2,2′-bipyridines is reported. The synthetic strategy for the preparation of such ligands involves a sequence of several structural transformations, such as O-alkylation, nucleophilic substitution of hydrogen (SN H) in 1,2,4-triazine precursors via the ‘addition–elimination’ scheme, and the subsequent conversion of the obtained 1,2,4-triazines into 2,2′-bipyridines by means of the aza-Diels–Alder reaction. The photophysical properties of the synthesized novel pentafluoroaryl-substituted 2,2′-bipyridines were comprehensively studied. The obtained photophysical data indicate the competitive advantages of the herein reported pentafluoroarylated push–pull fluorophores, bearing extended aliphatic moieties, over their analogues containing benzoxy or phenolic fragments in terms of improvement in quantum yield and well-pronounced positive solvatochromism confirmed by the mathematical analysis according to the Lippert–Mataga equation.

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9.
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    New naphtho[1,8-ef]perimidines: synthesis, fluorescence studies and application for detection of nitroanalytes / I. L. Nikonov, L. K. Sadieva, M. I. Savchuk [et al.] // Chimica Techno Acta. - 2021. - Vol. 8, № 4. - Ст. 20218416
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
NAPHTHO[1,8-EF]PERIMIDINES -- FLUORESCENCE -- SENSOR -- EXPLOSIVES
Аннотация: A rational approach to the synthesis of substituted naphtho[1,8-ef]perimidines based on SNH methodology and cyclization reaction in the series of condensed azines with naphthalene substituents was presented. Photophysical properties of the obtained fluorophores were studied, in particular, green fluorescence in the 485–536 nm range with quantum yield up to 32.4% was detected. HOMO-LUMO energy values and distributions for the new compounds were calculated by the DFT method in comparison with nitroanalytes and perylene. Based on the data obtained, as well as on the results of fluorescence titration, the possibility of using the new diazaperylenes as potential chemosensors for the visual detection of nitro-containing explosives was shown.

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10.
Инвентарный номер: нет.
   
   N 52


   
    New 4,5-di(hetero)arylpyrimidines as sensing elements for detection of nitroaromatic explosives in vapor phase / E. V. Verbitskiy, A. A. Baranova, K. I. Lugovik, K. O. Khokhlov, E. M. Cheprakova, M. Z. Shafikov, G. L. Rusinov, O. N. Chupakhin, V. N. Charushin // Dyes and Pigments. - 2017. - Vol. 137. - P360-371
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FLUORESCENCE QUENCHING -- NITROAROMATIC EXPLOSIVES -- TRIPHENYLAMINES -- CARBAZOLES -- PYRIMIDINES
Аннотация: A series of D–π–A–π–D type dyes based on pyrimidines, bearing thiophene linkers, have been studied as sensing fluorophores. Fluorescence studies have demonstrated that the emission of all derivatives is sensitive to the presence of 2,4,6-trinitrotoluene (TNT) and other nitroaromatic compounds (NACs), in their acetonitrile solutions. The detection limits of fluorophores to NACs proved to be in the range from 10−4 to 10−6 mol/L. The time-resolved fluorescence measurements and theoretical investigation into the quenching mechanism in the presence of fluorophore has been performed. The two types of sensor prototypes for handheld sniffer «Nitroscan» (Plant «Promautomatika», Ekaterinburg, Russia) on the basis of non-woven dry wipe and spunlace non-woven fabric with various quantities of the most sensitive fluorophore have been fabricated. The reusable, reversible and sensitive response of the designed prototypes to NACs enables one to qualify these compounds as promising fluorescent sensory materials for detection of NACs.

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