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Общее количество найденных документов : 34
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1.
Инвентарный номер: нет.
   
   H 62


   
    Heteroacenes Bearing the Pyrimidine Scaffold: Synthesis, Photophysical and Electrochemical Properties / E. V. Verbitskiy [и др.] // European Journal of Organic Chemistry. - 2016. - Vol. 1260, № 7. - С. 1420-1428. - Bibliogr. : p. 1427-1428 (17 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PYRIMIDINES -- SYNTHESIS -- ELECTROCHEMICAL PROPERTIES

\\\\expert2\\NBO\\European Journal of Organic Chemistry\\2016, v. 2016, p. 1420.pdf
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2.
Инвентарный номер: нет.
   
   A 10


   
    A new route towards dithienoquinazoline and benzo[f]thieno[3,2-h]quinazoline systems using Pd-catalyzed intramolecular cyclization under microwave irradiation [Electronic resource] / E. V. Verbitskiy, G. L. Rusinov, O. N. Chupakhin, V. N. Charushin // ARKIVOC. - 2016. - № 4. - С. 204-216
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PYRIMIDINES -- INTRAMOLECULAR CYCLIZATIONS -- FUSED RING SYSTEMS -- THIENOACENES
Аннотация: A novel synthetic route to novel thienoacene systems bearing a fused pyrimidine ring is proposed. The commercially available 5-bromopyrimidine is used as the starting material to obtain various dithienoquinazoline and benzo[f]thieno[3,2-h] quinazoline systems through the Suzuki cross-coupling, nucleophilic aromatic substitution of hydrogen (the S-N(H) reaction), and finally palladium-catalyzed intramolecular cyclization under microwave irradiation. Redox properties of some of the new compounds have been investigated. The data obtained show that these systems have plausible potential for use in organic electronic applications.

\\\\expert2\\NBO\\ARKIVOC\\2016, p.204-216.pdf
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3.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis and biological evaluation of novel 5-aryl-4-(5-nitrofuran-2-yl)-pyrimidines as potential anti-bacterial agents / E. V. Verbitskiy [et al.] // Bioorganic and Medicinal Chemistry Letters. - 2017. - Vol. 27, № 13. - P3003-3006
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PYRIMIDINE -- NITROFURAN -- ANTIGONORRHEAL -- ANTIMYCOBACTERIAL -- NUCLEOPHILIC AROMATIC SUBSTITUTION OF HYDROGEN
Аннотация: A facile two-step synthetic approach to fluorinated and non-fluorinated 5-aryl-4-(5-nitrofuran-2-yl)-pyrimidines from readily available 5-bromo-4-(furan-2-yl)pyrimidine has been developed. All synthesized compounds were screened in vitro for their antibacterial activities against twelve various bacterial strains. It is demonstrated that some of these compounds exhibited significant antibacterial activities against strains Neisseria gonorrhoeae and Staphylococcus aureus, comparable and even higher with that commercial drug Spectinomycin.

\\\\Expert2\\NBO\\Bioorganic and Medicinal Chemistry Letters\\2017 v.27 p.3003-3006.pdf
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4.
Инвентарный номер: нет.
   
   M 65


   
    Microwave-assisted synthesis of 4-(2,2'-bithiophen-5-yl)-5-phenylpyrimidine derivatives as sensors for detection of nitroaromatic explosives = Микроволновый синтез производных 4-(2,2'-битиофенил-5-ил)-5-фенилпиримидина и их применение в качестве сенсоров нитроароматических взрывчатых веществ / E. V. Verbitskiy, E. M. Cheprakova, A. A. Baranova, K. O. Khokhlov, K. I. Ludovik, G. L. Rusinov, O. N. Chupakhin, V. N. Charushin // Chemistry of Heterocyclic Compounds. - 2016. - Vol. 52, № 11. - С. 904-909. - Bibliogr. : p. 909 (27 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PYRIMIDINE TRIPHENYLAMINE -- NITROAROMATIC EXPLOSIVES -- FLUORESCENCE QUENCHING
Аннотация: A reaction sequence involving microwave-assisted Suzuki cross-coupling steps and bromination with N-bromosuccinimide was used to synthesize 4-{4-[4',5'-bis(4-diphenylaminophenyl)-3'-hexyl-2,2'-bithiophen-5-yl]pyrimidin-5-yl}benzonitrile. The optical properties of the obtained compound were studied to evaluate it for possible applications as a sensor of nitroaromatic compounds in acetonitrile solutions and gas phase

\\\\expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2016, v.52, N 11, p. 904-909.pdf
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5.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis and evaluation of antitubercular activity of fluorinated 5-aryl-4-(hetero)aryl substituted pyrimidines [Электронный ресурс] / E. V. Verbitskiy, S. A. Baskakova, M. A. Kravchenko, S. N. Skornyakov, G. L. Rusinov, O. N. Chupakhin, V. N. Charushin // Bioorganic and Medicinal Chemistry. - 2016. - Vol. 24, № 16. - С. 3771-3780
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
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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6.
Инвентарный номер: нет.
   
   H 62


   
    Heteroacenes Bearing the Pyrimidine Scaffold: Synthesis, Photophysical and Electrochemical Properties [Electronic resource] / E. V. Verbitskiy [и др.] // European Journal of Organic Chemistry. - 2016. - Vol. 2016, № 7. - С. 1420-1428
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
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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7.
Инвентарный номер: нет.
   
   C 10


   
    C-H functionalization of triazolo[a]-annulated 8-azapurines [Electronic resource] / E. B. Gorbunov, G. L. Rusinov, E. N. Ulomskii, V. L. Rusinov, V. N. Charushin, O. N. Chupakhin // Tetrahedron Letters. - 2016. - Vol. 57, № 21. - С. 2303-2305
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FUSED PYRIMIDINES -- C-H FUNCTIONALIZATION -- 8-AZAPURINES
Аннотация: Direct C-H functionalization of triazolo[a]-annulated 8-azapurines with phenol ethers or thiophene has been performed using the oxidative nucleophilic displacement of a hydrogen on the pyrimidine ring, proceeding through the intermediacy of the corresponding sigma(H)-adducts.

\\\\expert2\\NBO\\Tetrahedron Letters\\2016, v. 57, p. 2303.pdf
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8.
Инвентарный номер: нет.
   
   N 52


   
    New 2H-[1,2,3]triazolo[4,5-e][1,2,4]triazolo[1,5-a]pyrimidine derivatives as luminescent fluorophores for detection of nitroaromatic explosives [Electronic resource] / E. V. Verbitskiy, E. B. Gorbunov, A. A. Baranova, K. I. Ludovik, K. O. Khokhlov, E. M. Cheprakova, G. A. Kim, G. L. Rusinov, O. N. Chupakhin, V. N. Charushin // Tetrahedron. - 2016. - Vol. 72, № 32. - С. 4954-4961
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CARBAZOLE -- NITROAROMATIC EXPLOSIVES -- TRIPHENYLAMINE
Аннотация: A number of D-pi-A type dyes on the basis of new 2H[1,2,3]triazolo[4,5-e][1,2,4]triazolo[1,5-a]pyrimidines, bearing various electron-donating carbazole and triphenylamine fragments, have been studied as sensing fluorophores. Fluorescence studies have demonstrated that emission spectra of these compounds in acetonitrile are sensitive to the presence of nitroaromatic explosives, such as 2,4-dinitroanisole (DNAN), picric acid (PA), styphnic acid (SA), 1,3,5-triethoxy-2,4,6-trinitrobenzene (TETNB), 2,4-dinitrotoluene (DNT), 2,4,6-trinitrotoluene (TNT) and nitrobenzene (NB). Detection limits of fluorophores for DNAN, PA, SA, TETNB, DNT and TNT proved to be in the range from 4.82x10(-1) to 2.96x10(-3) mol/L, 2.10x10(-3) to 5.98x10(-5) mol/L, 1.26x10(-1) to 2.02x10(-4) mol/L, 1.58 x 10(-1) to 1.62x10(-3) mol/L, 1.26x10(-1) to 5.61x10(-4) mol/L and 9.01x10(-2) to 2.77x10(-3) mol/L, respectively. Selective fluorescence quenching response, including a sharp color change under UV irradiation (especially for PA, SA and DNT), makes these compounds promising fluorescence chemosensors for nitroaromatic explosives

\\\\expert2\\NBO\\Tetrahedron\\2016, v. 72 , p. 4954-4961.pdf
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9.
Инвентарный номер: нет.
   
   T 44


   
    The portable detector of nitro-explosives in vapor phase with new sensing elements on a base of pyrimidine scaffold / A. A. Baranova, K. O. Khokhlov, R. D. Chuvashov, E. V. Verbitskiy, E. M. Cheprakova, G. L. Rusinov, V. N. Charushin // Journal of Physics: Conference Series. - 2017. - Vol. 830. - P012159[1-6]
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PORTABLE DETECTOR -- NITROEXPLOSIVE -- VAPOR PHASE -- SENSING ELEMENT -- PYRIMIDINE SCAFFOLD -- C(5) MONO(HETEROARYL) -- C(4) MONO(HETEROARYL) -- DI(HETEROARYL) SUBSTITUTED -- PYRIMIDINES -- PYRIMIDINE RING -- VOLATILE INTERFERENT -- NITROSCAN -- TEMPERATURE 293 K TO 298 K
Аннотация: In this paper, the new sensors based on the C(4) or/and C(5) mono(heteroaryl) and di(heteroaryl) substituted pyrimidines are described. The effect of different substituents in pyrimidine ring on the detection limits and selectivity for prepared sensors are explained. The results of detection towards various nitro-explosives and volatile interferents at room temperature with use of the portable detector “Nitroscan” are shown.

\\\\Expert2\\NBO\\Journal of Physics Conference series\\2017 v.830 p.012159.pdf
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10.
Инвентарный номер: нет.
   


   
    Ethynylation of [1,2,4]triazolo[1,5-a]pyrimidinesusing substituted ethynylmagnesium bromides / N. A. Rasputin, N. S. Demina, E. F. Zhilina [и др.] // ChemistrySelect. - 2021. - Vol. 6, № 21. - С. 5167-5172
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A series of [1,2,4]triazolo[1,5-a]pyrimidine-cored push-pull compounds, bearing ethynyl moieties, was effectively prepared using transition-metal-free strategy involving the direct C−H functionalization of [1,2,4]triazolo[1,5-a]pyrimidine scaffold with the Grignard-Iocich reagents (ethynylmagnesium bromides). The basic optical and electrochemical properties of the synthesized derivatives were studied and gave grounds to consider the obtained compounds as promising UV dyes with high quantum yields.

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