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 Найдено в других БД:Публикации Чарушина В.Н. (6)
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Общее количество найденных документов : 27
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 1-10    11-20   21-27 
1.
Инвентарный номер: нет.
   
   G 33


    Gein, V. L.
    A novel four-component synthesis of ethyl 6-amino-4-aryl-5-cyano-2,4-dihydropyrano[2,3-c]pyrazole-3-carboxylates [Electronic resource] / V. L. Gein, T. M. Zamaraeva, P. A. Slepukhin. - [Б. м. : б. и.]. - Bibliogr. : p. 4528 (26 ref.). - Б. ц.
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
MULTICOMPONENT REACTION -- AROMATIC ALDEHYDES -- SODIUM DIETHYLOXALOACETATE
Аннотация: Ethyl 6-amino-4-aryl-5-cyano-2,4-dihydropyrano[2,3-с]pyrazole-3-carboxylates were synthesized via a four-component reaction of the sodium salt of diethyloxaloacetate, an aromatic aldehyde, hydrazine hydrate, and malononitrile. The products were obtained in moderate to high yields.

\\\\expert2\\nbo\\Tetrahedron Letters\\2014, v. 55, p. 4525.pdf
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2.
Инвентарный номер: нет.
   
   O-97


   
    Oxidative aromatization of 4,7-dihydro-6-nitroazolo[1,5-a] pyrimidines: synthetic possibilities and limitations, mechanism of destruction, and the theoretical and experimental substantiation / D. N. Lyapustin, E. N. Ulomsky, V. L. Rusinov [et al.] // Molecules. - 2021. - Vol. 26, № 16. - Ст. 4719
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AZOLO[1,5-A]PYRIMIDINES -- NITRO-SYNTHONS -- OXIDATION -- OXIDATIVE DESTRUCTION -- SYNTHESIS OF HETEROCYCLES -- NITRO COMPOUNDS
Аннотация: The reaction tolerance of the multicomponent process between 3-aminoazoles, 1-morpholino-2-nitroalkenes, and aldehydes was studied. The main patterns of this reaction have been established. Conditions for the oxidation of 4,7-dihydro-6-nitroazolo[1,5-a]pyrimidines were selected. Previous claims that the 4,7-dihydro-6-nitroazolo[1,5-a]pyrimidines could not be aromatised have now been refuted. Compounds with an electron-donor substituent at position seven undergo decomposition during oxidation. The phenomenon was explained based on experimental data, electro-chemical experiment, and quantum-chemical calculation. The mechanism of oxidative degradation has been proposed.

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3.
Инвентарный номер: нет.
   


   
    Iron(III)-catalyzed multicomponent synthesis of highly substituted pyrroles under ball-milling conditions / A. Mukherjee, S. Al-Ghezi Basim, G. V. Zyryanov, O. N. Chupakhin // Современные синтетические методологии для создания лекарственных препаратов и функциональных материалов" (MOSM 2021): V международная конференция: сборник тезисов. - Екатеринбург, 2021. - C. PR-186
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Nowadays, green chemistry plays an important role for environment. In this context, development of solvent-free ball milling or a grinding approach has attracted considerable interest in organic synthesis.1 Hence, carrying out a reaction under solvent-free conditions and at room temperature is an effective approach to eliminate the use of volatile organic compounds and to obtain the greenness in the process. On the other hands, pyrroles are the small aromatic, nitrogen-containing heterocyclic compounds present in many natural products.2 Pyrrole molecules show important biological relevance such as porphyrins, bile pigments, and coenzymes and are known to exhibit various applications as organic materials.3 In this work, we have presented a highly robust one-pot, four-component cascade cyclization reaction of α-keto aldehydes, anilines, activated alkynes, and aromatic nucleophiles to synthesize a diverse range of pharmaceutically important penta-substituted pyrroles. The reaction proceeded smoothly under ball-milling conditions in presence of iron catalyst.

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4.
Инвентарный номер: нет.
   


   
    Features of a multicomponent biginelli reaction involving 3-oxobutanoyl-containing podands, aromatic aldehydes, and 1,2,4-triazol-3-amine / E. S. Filatova, O. V. Fedorova, K. A. Chistyakov [et al.] // Chemistry of heterocyclic compounds. - 2020. - Vol. 56, № 1. - P88-91
Кл.слова (ненормированные):
DIHYDROPYRIMIDINE -- MONOSUBSTITUTED PODAND -- PODAND -- TRIAZOLO[1,5-А]PYRIMIDINE -- TRIAZOLO[4,3-А]PYRIMIDINE -- TUBERCULOSTATIC ACTIVITY
Аннотация: [Figure not available: see fulltext.] A reaction of 3-oxobutanoyl-containing podands with thiophene-2-carbaldehyde (or benzaldehyde) and 3-amino-1,2,4-triazole gave podands featuring a 4,7-dihydro[1,2,4]triazolo[1,5-а]pyrimidine motif. It was established that the process was accompanied by the formation of [4,3-а]-isomers, which occurred in a slight excess during the synthesis of a podand containing a phenyl group at position 7 and, on the other hand, were observed as the minor products during the synthesis of podands bearing a thiophen-2-yl substituent. Trace amounts of monosubstituted podands were also detected, containing a free hydroxy group along with the triazolodihydropyrimidine pharmacophore.

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5.
Инвентарный номер: нет.
   
   O-57


   
    One-pot multicomponent synthesis of highly substituted bicyclo[2.2.2]octane derivatives using bismuth nitrate as a catalyst [Electronic resource] / V. L. Gein, A. N. Yankin, N. V. Nosova, M. V. Dmitriev, P. A. Slepukhin // Tetrahedron Letters. - 2016. - Vol. 57, № 22. - С. 2441-2444
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ISMUTH NITRATE -- ACETOACETANILIDE -- MULTICOMPONENT REACTION
Аннотация: The one-pot synthesis of novel 3-(arylamino)-5,8-diaryl-1-hydroxy-N-2,N-6-diphenylbicyclo[2.2.2]oct-2-ene-2,6-dicarboxamides in good yields has been accomplished via the multicomponent reaction of aromatic aldehydes, substituted anilines, and acetoacetanilide using bismuth nitrate as a catalys

\\\\expert2\\NBO\\Tetrahedron Letters\\2016, v. 57, p. 2441-2444.pdf
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6.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of alkyl 4-aryl-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3- carboxylates [Electronic resource] / V. L. Gein, M. I. Kazantseva, L. F. Gein, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2014. - Vol.50, №2. - С. 240-243. - Bibliogr. : p. 214 (4 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ALKYL ACETOACETATES -- AROMATIC ALDEHYDES -- AMMONIUM ACETATE
Аннотация: Reactions of alkyl acetoacetates, aromatic aldehydes, ammonium acetate, and 1,3-cyclohexanedione afford alkyl 4-aryl-2-methyl-5-oxo-1,4,5,6,7,8- hexahydroquinoline-3-carboxylates. The structure of compounds obtained was established with the help of IR, 1H NMR, and mass spectra and by X-ray diffraction analysis

\\\\expert2\\nbo\\Russian Journal of Organic Chemistry\\2014, 50, (2), 240-243.pdf
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7.
Инвентарный номер: нет.
   
   R 30


   
    Reaction of methyl 1-(2-bromo-4-methoxy-1,4-dioxobutyl)- cyclohexanecarboxylate with zinc and aromatic aldehydes [Electronic resource] / N. F. Kirillov, P. A. Slepukhin, E. A. Nikiforova, S. N. Shurov, P. M. Kashkin // Mendeleev Communications. - 2014. - Vol.24, №3. - С. 178-179. - Bibliogr. : p. 179 (7 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CYCLOHEXANECARBOXYLATE -- ZINC -- ALDEHYDES

\\\\expert2\\nbo\\Mendeleev Communications\\2014, v.24, p. 178-179.pdf
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8.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine containing quinoline and quinoxaline styryl derivatives: [Electronic resource] / E. V. Nosova, T. V. Trashakhova, V. S. Ustyugov, N. N. Mochul`skaya, M. S. Valova, G. N. Lipunova, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2013. - Vol.60, №5. - С. 942-947. - Bibliogr. : p. 946-947 (25 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
STYRYLBENZAZINES -- PHOTOLUMINESCENCE -- 6,7-DIFLUOROQUINALDINE
Аннотация: (E)-2-Styryl-substituted 6,7-difluoroquinolines and quinoxalines were synthesized by the condensation of the corresponding 2 methylbenzazines with aromatic aldehydes. Photolumines cence of the synthesized 6,7 difluoro 2 styrylbenzazines was studied

\\\\expert2\\NBO\\Russian Chemical Bulletin\\2011, 60 (5), 942-947.pdf
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9.
Инвентарный номер: нет.
   


   
    1,3-Dipolar cycloadditions of nonstabilised azomethine ylides at 3-substituted coumarins: synthesis of 1-benzopyrano[3,4-c]pyrrolidines / V. S. Moshkin, V. Ya. Sosnovskikh, P. A. Slepukhin, Gerd-Volker Röschenthalerc // Mendeleev Communications. - 2012. - Vol.22, №1. - С. 29-31
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
COUMARINS -- AZOMETHINE YLIDES -- PYRROLIDINES
Аннотация: Reaction of 3-substituted coumarins with N-alkyl-α-amino acids and aldehydes proceeds regio- and stereoselectively to give 1-benzopyrano[3,4-c]pyrrolidines as a result of 1,3-dipolar cycloaddition of the intermediate azomethine ylides at the Δ3-bond of the coumarins

\\\\Expert2\\nbo\\Mendeleev Communications\\2012, v.22, p. 29.pdf
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10.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of N-substituted 7-aryl-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxamides / V. L. Gein, T. M. Zamaraeva, N. V. Nosova, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №3. - С. 419-422
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- 6-CARBOXAMIDES -- PYRIMIDINE
Аннотация: Three-component reaction of N-methyl- or N,N-diethyl-3-oxobutanamide with aromatic aldehydes and tetrazol-5-amine monohydrate gave the corresponding N-substituted 7-aryl-5-methyl-4,7-dihydrotetrazolo-[1,5-a]pyrimidine-6-carboxamides

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (3), 419-422.pdf
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