Zobrazeno 1 - 10 of 137 pro vyhledávání: '"P. S. Silaichev"'
1
Akademický článek
Cycloaddition reactions of heterocyclic azides with 2-cyanoacetamidines as a new route to C,N-diheteroarylcarbamidines
Autor: Pavel S. Silaichev, Tetyana V. Beryozkina, Vsevolod V. Melekhin, Valeriy O. Filimonov, Andrey N. Maslivets, Vladimir G. Ilkin, Wim Dehaen, Vasiliy A. Bakulev
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 17-24 (2024)
A novel and efficient base-catalyzed, transition-metal-free method for the synthesis of diheterocyclic compounds connected by an amidine linker, including apart from the common 1,2,3-triazole ring, either an additional pyrimidinedione, 4-nitroimidazo
Externí odkaz: https://doaj.org/article/f584b2d538384c448985b2eaac82a916
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2
Akademický článek
Synthesis, recyclization under the action of methanol and analgetic activity of N'-(5-aryl-2-oxofuran-3(2H)-ylidene)furan-2-carbohydrazides
Autor: Sergei N. Igidov, Irina A. Gorbunova, Aleksey Yu. Turyshev, Daria A. Shipilovskikh, Danil A. Kozlov, Anna S. Rogova, Ramiz R. Makhmudov, Pavel S. Silaichev, Nazim M. Igidov
Publikováno v: Chimica Techno Acta, Vol 10, Iss 1 (2022)
New methyl 5-aryl-1-(furan-2-carbonyl)-1H-pyrazole-3-carboxylates were obtained via decyclization reaction of N'-(5-aryl-2-oxofuran-3(2H)-ylidene)furan-2-carbohydrazides under the action of methanol. Starting N'-(5-aryl-2-oxofuran-3(2H)-ylidene)furan
Externí odkaz: https://doaj.org/article/456068ff0eb44e02a503e1eeeeda783e
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3
Akademický článek
Synthesis, intramolecular cyclization and anti-inflammatory activity of substituted 2-(2-(Furan-2-carbonyl)hydrazono)-4-oxobutanoic Acids
Autor: Sergei N. Igidov, Dmitriy V. Lipin, Aleksey Yu. Turyshev, Svetlana V. Chashchina, Daria A. Shipilovskikh, Ol’ga V. Zvereva, Ksenia A. Mitusova, Pavel S. Silaichev, Nazim M. Igidov
Publikováno v: Chimica Techno Acta, Vol 10, Iss 1 (2022)
A method was proposed for the synthesis of substituted 2-(2-(furan-2-carbonyl)hydrazono)-4-oxobutanoic acids by the reaction of substituted 2,4-dioxobut-2-enoic acids with furan-2-carbohydrazide. It was found that substituted 2-(2-(furan-2-carbonyl)h
Externí odkaz: https://doaj.org/article/d117235c69e44a6bb3cd14b35761ecef
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4
Akademický článek
Synthesis of Non-Aromatic Pyrroles Based on the Reaction of Carbonyl Derivatives of Acetylene with 3,3-Diaminoacrylonitriles
Autor: Pavel S. Silaichev, Lidia N. Dianova, Tetyana V. Beryozkina, Vera S. Berseneva, Andrey N. Maslivets, Vasiliy A. Bakulev
Publikováno v: Molecules, Vol 28, Iss 8, p 3576 (2023)
The reaction of 3,3-diaminoacrylonitriles with DMAD and 1,2-dibenzoylacetylene was studied. It is shown that the direction of the reaction depends on the structure both of acetylene and of diaminoacrylonitrile. In the reaction of DMAD with acrylonitr
Externí odkaz: https://doaj.org/article/8f62331778c240da8aec6a85ccfe7ad2
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7
Akademický článek
Spiroheterocyclization of Methyl 1-Aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates by the Action of 3-(Arylamino)-1H-inden-1-ones
Autor: Аndrey N. Maslivets, Pavel A. Slepukhin, Valeriy O. Filimonov, Pavel S. Silaichev
Publikováno v: Molecules, Vol 17, Iss 12, Pp 13787-13794 (2012)
Methyl 1-aryl-3-cinnamoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates interact with 3-(arylamino)-1H-inden-1-ones to give the corresponding 1,1'-diaryl-3'-cinnamoyl-4'-hydroxy-1H-spiro[indeno[1,2-b]pyrrole-3,2'-pyrrole]-2,4,5'(1'H)-triones in goo
Externí odkaz: https://doaj.org/article/790fbf11f6304514bd56d5d1e27183cc
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8
Dipyrazolodioxadiazocines as shelf-stable 'ready-to-use' precursors for an in situ generation of enolate-iminium 1,4-dipoles: a straightforward atom-economical approach to pyrazolo[5,1-d][1,3,5]dioxazines
Autor: Valeria A. Vigovskaya, P. S. Silaichev, Michael Rubin, Maksim V. Dmitriev, Andrey N. Maslivets, V. E. Zhulanov
Publikováno v: Organicbiomolecular chemistry. 18(17)
An original, facile and highly efficient method for the in situ generation of cyclic enolate-iminium 1,4-dipoles via unique thermal decomposition of easily available dipyrazolodioxadiazocines has been developed. Various substituted pyrazolo[5,1-d][1,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a44254b0e1f16cd60893e7f53d8480fe
https://pubmed.ncbi.nlm.nih.gov/32323682
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9
Recyclization of Pyrrolediones with Arylaminoindenones. Synthesis of Indeno[1,2-b]pyridines
Autor: K. V. Lesnikova, M. I. Kodess, Maksim V. Dmitriev, Marina A. Ezhikova, Andrey N. Maslivets, M. A. Zheleznova, P. S. Silaichev
Publikováno v: Russian Journal of Organic Chemistry. 54:1358-1362
Dimethyl 1-aryl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2,3-dicarboxylates reacted with 3-arylamino-1H-inden-1-ones to give the corresponding methyl 1-aryl-3-[2-(arylamino)-2-oxoacetyl]-2,5-dioxo-2,5-dihydro-1H-indeno[1,2-b]pyridine-4-carboxylates.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f887d2e1a655652bf9e9db94e9219478
https://doi.org/10.1134/s1070428018090154
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10
Three-Component Spiro Heterocyclization of Pyrrolediones with Malononitrile and Cyclic Enols
Autor: Andrey N. Maslivets, P. S. Silaichev, E. V. Bushmeleva, T. V. Sal’nikova, Maksim V. Dmitriev
Publikováno v: Russian Journal of Organic Chemistry. 54:564-567
Ethyl 4,5-dioxo-2-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylates reacted with malononitrile and five-membered cyclic enols, indan-1,3-dione and cyclopentane-1,3-dione to give 1-substituted ethyl 2-amino-3- cyano-2′,5-dioxo-5′-phenyl-1′,2′-dihyd
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b45db0c93e7da6035ddb34202b754bd7
https://doi.org/10.1134/s1070428018040073
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