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 Найдено в других БД:Публикации Чарушина В.Н. (12)
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 1-10    11-20   21-28 
1.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of pyrimido[1,2-a]indoles (minireview) / I. L. Nikonov, D. S. Kopchuk, G. V. Zyryanov, V. L. Rusinov // Chemistry of Heterocyclic Compounds. - 2021. - Vol. 57, № 10. - P993–995
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: This review considers methods for the synthesis of pyrimido[1,2-a]indoles and their ring-fused derivatives, covering publications from the last 10 years. Depending on the synthons used for assembling the target structure, three main approaches to the synthesis of pyrimido- [1,2-a]indoles can be distinguished: annulation of a pyrimidine ring to 2-aminoindoles, modification of other indole derivatives, and miscellaneous methods.

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2.
Инвентарный номер: нет.
   


   
    Synthesis of heteroannulated indolopyrazines through domino N-H palladium-catalyzed/metal-free oxidative C-H bond activation / Y. A. Kvashnin, E. V. Verbitskiy, E. F. Zhilina [et al.] // ACS Omega. - 2020. - Vol. 5, № 25. - P15681-15690
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A convenient approach to [1,2,5]oxadiazolo[3′,4′:5,6]pyrazino[2,3-b]indoles and their heteroannulated analogues bearing various aryl substituents in the backbone has been developed. This synthetic protocol is based on Pd-catalyzed Buchwald–Hartwig and subsequent annulation by intramolecular oxidative cyclodehydrogenation. The photophysical properties for new polycycles have been measured.

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3.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of a new class of carbinol linked bis-heterocycles via the reaction of 2-(trifluoroacetyl)chromones with indoles and pyrroles / A. V. Safrygin, R. A. Irgashev, M. A. Barabanov, V. Ya. Sosnovskikh // Tetrahedron. - 2016. - Vol. 72. - С. 227-233. - Bibliogr. : p. 233 (25 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- CARBINOL LINKED BIS-HETEROCYCLES -- INDOLES

\\\\expert2\\nbo\\Tetrahedron\\2016, v. 72 , p. 227-233.pdf
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4.
Инвентарный номер: нет.
   
   R 30


   
    Reaction of 4,5-dimethoxy-1,2-dehydrobenzene with 3-(Pyridin-2-yl)-1,2,4-triazines [Electronic resource] / D. S. Kopchuk, I. L. Nikonov, G. V. Zyryanov, I. S. Kovalev, O. S. Taniya, V. L. Rusinov, O. N. Chupakhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2015. - Vol. 85, № 8. - С. 1170-1173. - Bibliogr. : p. 1173 (30 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ISOQUINOLINE ALKALOIDS -- HETEROCYCLES -- ARYNE
Аннотация: Reaction of 3-(pyridin-2-yl)-1,2,4-triazines with aryne intermediate, 4,5-dimethoxy-1,2-dehydrobenzene generated in situ, was investigated. As a result of the interaction products of the 1,2,4-triazine transformation are produced: 2,3-dimethoxy-10-(1H-1,2,3-triazol-1-yl)-pyrido[1,2-a]indoles, and also the products of Diels-Alder aza-reaction, 6,7-dimethoxy-1-(pyridin-2-yl)isoquinolines.

\\\\expert2\\nbo\\Russian Journal of Organic Chemistry\\2015, 51, (8), 1170-1173.pdf
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5.
Инвентарный номер: нет.
   


   
    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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6.
Инвентарный номер: нет.
   
   P 17


   
    Palladium(II)-Catalyzed Oxidative C–H/C–H Coupling and Eliminative SNH Reactions in Direct Functionalization of Imidazole Oxides with Indoles / M. V. Varaksin, I. A. Utepova, O. N. Chupakhin, V. N. Charushin // Journal of Organic Chemistry. - 2012. - Vol.77, №20. - С. 9087-9093
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
IMIDAZOLE OXIDES -- INDOLES
Аннотация: Two novel synthetic approaches to realize the direct C(sp2)–H bond functionalization in cyclic nitrones are reported. Palladium(II)-catalyzed oxidative C–C coupling of 2,2-dialkyl-4-phenyl-2H-imidazole 1-oxides with indoles was shown to result in the formation of 5-indolyl-3-yl derivatives, while nucleophilic substitution of hydrogen (SNH) at C(5) of the same imidazole system was found to afford the corresponding deoxygenated compounds

\\\\Expert2\\nbo\\Journal of Organic Chemistry\\2010, v.77, p.9087.pdf
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7.
Инвентарный номер: нет.
   


   
    Mechanochemical synthesis of coumarins via Pechmann condensation under solvent-free conditions: an easy access to coumarins and annulated pyrano[2,3-f] and [3,2-f]indoles / A. D. Sharapov, R. F. Fatykhov, I. A. Khalymbadzha [и др.] // Green Chemistry. - 2022. - Vol. 24, № 6. - P2429-2437
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
A green protocol has been developed for the synthesis of simple coumarins and linear pyrano[2,3-f] and [3,2-f]indoles by the reaction of phenol derivatives with β-ketoesters under ball milling at ambient temperature in the presence of methanesulfonic acid as a mild acid catalyst. The significant advantages of this procedure are high yields, scalability, no use of hazardous acids or solvents, shorter reaction time, ambient temperature, low cost, and straightforward purification without column chromatography. This procedure is associated with high EcoScale metrics and a low E-factor. In contrast to traditional Pechmann condensation procedures, the mechanochemical protocol leads to the synthesis of pyranoindoles with excellent regioselectivity and high yields.

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8.
Инвентарный номер: нет.
   
   F 94


   
    From 3-chloromethyl-1,2,4-triazine 4-oxides to various substituted pyridines and 1,2,4-triazines [Electronic resource] / V. N. Kozhevnikov, D. N. Kozhevnikov, O. V. Shabunina, N. N. Kataeva, S. A. Yushchuk, V. L. Rusinov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2005. - Vol. 54, № 9. - P2187-2196. - Библиогр. : с. 2196 (24 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: An efficient strategy for the synthesis of new pyridine and 1,2,4-triazine derivatives starting from available 6-aryl-3-chloromethyl-1,2,4-triazine 4-oxides was proposed. The deoxygenative nucleophilic hydrogen substitution in the triazine-oxide ring, nucleophilic substitution of the chlorine atom in the side chain, and transformations of the 1,2,4-triazine ring into the pyridine ring via the inverse-electron-demand Diels-Alder reactions, being used in different orders, are a rather flexible tool for the functionalization of the titled heterocycles. The cyanide anion, indoles, thiophenols, amines, and triphenylphosphine were used as nucleophiles. The direct introduction of indole residues into the 1,2,4-triazine ring followed by the substitution of the chlorine atom by a residue of the primary or secondary aliphatic amine was found to be the most convenient method for the library synthesis.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2005, 54 (9), 2187-2196.pdf
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9.
Инвентарный номер: нет.
   
   D 40


    Denislamova, E. S.
    Five-membered dioxoheterocycles: XCIX. Reaction of 1-aryl-4-aroyl-5- methoxycarbonyl-1H-pyrrole-2,3-diones with indoles. Crystal and molecular structure of substituted 2-(indol-3-yl)pyrrole [Electronic resource] / E. S. Denislamova, P. A. Slepukhin, A. N. Maslivets // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2014. - Vol.50, №2. - С. 225-228. - Bibliogr. : p. 228 (5 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
DIOXOHETEROCYCLES -- METHOXYCARBONYL -- MOLECULAR STRUCTURE
Аннотация: 1-Aryl-4-aroyl-5-methoxycarbonyl-1H-pyrrole-2,3-diones react with indole and 2-methylindole with the formation of methyl 1-aryl-3-aroyl-4-hydroxy-2-(1H- indol-3-yl)-5-oxo-2,5-dihydro-1H-pyrrole-2-carboxylates. Crystal and molecular structure of methyl 3-benzoyl-4-hydroxy-2-(2-methyl-1H-indol-3-yl)-5-oxo-1- phenyl-2,5-dihydro-1H-pyrrole-2-carboxylate was examined

\\\\expert2\\nbo\\Russian Journal of Organic Chemistry\\2014, 50, (2), 225-228.pdf
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10.
Инвентарный номер: нет.
   
   Z 99


    Zyryanov, G. V.
    Easy formation of S-N(H) products in reactions of indoles and pyrroles with 3-aryl-1,2,4-triazin-5(2H)-ones in the presence of tosyl chloride [Electronic resource] / G. V. Zyryanov, V. L. Rusinov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2002. - Vol. 51, № 6. - P1042-1044
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 3-aryl-1,2,4-triazin-5(2H)-ones with indoles and pyrroles in the presence of p-toluenesulfonyl chloride afforded 3-aryl-6-hetaryl-1,2,4-triazin-5(2H)-ones in high yields. The latter are products of the nucleophilic substitution of hydrogen

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2002, 51 (6), 1042-1044.pdf
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