Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Anastasiya I. Zamaletdinova"'
1
Rearrangement in the systems ethyl bromopyruvate-1-(cyclohex-1-enyl)piperidine, -pyrrolidine, and -morpholine as an effi cient approach to 4,5,6,7-tetrahydroindoles
Autor: Vakhid A. Mamedov, V. V. Syakaev, E. A. Khafizova, Sh. K. Latypov, Anastasiya I. Zamaletdinova, Oleg G. Sinyashin
Publikováno v: Russian Chemical Bulletin. 68:1014-1019
1-(Cyclohex-1-enyl)piperidine, -pyrrolidine, and -morpholine react with ethyl bromopyruvate in refluxing dioxane to afford the corresponding 4,5,6,7-tetrahydroindole derivatives. Possibility to convert the synthesized compounds into their aromatic co
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4ebbec0d3e9c7c7fd87f0438eb3b880
https://doi.org/10.1007/s11172-019-2512-5
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2
Reductive acid-catalyzed rearrangement of 3-(2-nitrobenzyl)quinoxalin-2(1Н)-ones in the presence of Na2S2O4 – effective method for the synthesis of 2-(indol-2-yl)benzimidazoles
Autor: Vakhid A. Mamedov, Oleg G. Sinyashin, E. A. Khafizova, Shamil K. Latypov, Olga B. Bazanova, Il'dar Kh. Rizvanov, Victor V. Syakaev, Anastasiya I. Zamaletdinova
Publikováno v: Chemistry of Heterocyclic Compounds. 53:1033-1044
An effective one-step method is proposed for the synthesis of 2-(indol-2-yl)benzimidazoles from 3-(2-nitrobenzyl)quinoxalin-2(1Н)-ones without using metal catalysts and reagents. This method is based on the Mamedov rearrangement of 3-(2-aminobenzyl)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b99ebc6c53e734bda58c26352d2e6440
https://doi.org/10.1007/s10593-017-2166-x
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3
A New Method for the Synthesis of Substituted 8,9,10,11-Tetrahydroindolo[1,2-a]Quinoxalin-6(5H)-Ones
Autor: E. A. Khafizova, Il'dar Kh. Rizvanov, Dmitry B. Krivolapov, Vakhid A. Mamedov, Anastasiya I. Zamaletdinova, Oleg G. Sinyashin, Julia K. Voronina, Ekaterina V. Mironova, Saniya F. Kadyrova
Publikováno v: Chemistry of Heterocyclic Compounds. 53:560-567
The reaction of 1-(cyclohexen-1-yl)pyrrolidines with 3-(α-chlorobenzyl)quinoxalin-2(1H)-ones resulted in the formation of 8,9,10,11-tetrahydroindolo[1,2-a]quinoxalin-6(5H)-ones via a tandem sequence of Stork enamine alkylation and intramolecular ann
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f5cdd4c464bd29d358270c1247b9be78
https://doi.org/10.1007/s10593-017-2090-0
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4
Sequential substitution/ring cleavage/addition reaction of 1-(cyclohex-1-enyl)-piperidine and -pyrrolidine with chloropyruvates for the efficient synthesis of substituted 4,5,6,7-tetrahydro-1H-indole derivatives
Autor: Oleg G. Sinyashin, Elena A. Hafizova, Vakhid A. Mamedov, Il'dar Kh. Rizvanov, Lucia Ya. Zakharova, Shamil K. Latypov, Alla B. Mirgorodskaya, Anastasiya I. Zamaletdinova
Publikováno v: Tetrahedron. 71:9143-9153
Sequential substitution/ring cleavage/addition reaction of 1-(cyclohex-1-enyl)-piperidine and -pyrrolidine with chloropyruvates has been accomplished for the synthesis of various polysubstituted 4,5,6,7-tetrahydroindoles. This one-pot, general and hi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e53782ed85dfdb287262abe8a2a42b8
https://doi.org/10.1016/j.tet.2015.10.004
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5
Intermolecular cyclocondensation of arylchloropyruvates in the synthesis of 2,3-dihydrofuran-3,5-dicarboxylic acid derivatives
Autor: Vakhid A. Mamedov, E. A. Khafizova, Alexey B. Dobrynin, Anastasiya I. Zamaletdinova, Oleg G. Sinyashin, Igor A. Litvinov
Publikováno v: Russian Chemical Bulletin. 64:2865-2868
Methyl arylchloropyruvates undergo intermolecular self-condensation in the presence of a catalytic amount of a base under high-temperature conditions (~250°C) with the formation of 3,4-diaryl-2-oxo-2,3-dihydrofuran-3,5-dicarboxylic acid derivatives.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31d83a433319c036a18b4b8060110401
https://doi.org/10.1007/s11172-015-1239-1
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6
Rearrangement of Quinoxalin-2-ones When Exposed to Enamines Generated in Situ from Ketones and Ammonium Acetate: Method for the Synthesis of 1-(Pyrrolyl)benzimidazolones
Autor: Il'dar Kh. Rizvanov, Nataliya A. Zhukova, Tat'yana N. Beschastnova, Dmitry B. Krivolapov, Shamil K. Latypov, Ekaterina V. Mironova, Vakhid A. Mamedov, Victor V. Syakaev, Anastasiya I. Zamaletdinova
Publikováno v: The Journal of Organic Chemistry. 80:1375-1386
The reaction of 3-benzoylquinoxalin-2(1H)-ones with enamines (generated in situ from ammonium acetate and the corresponding methylaryl(hetaryl)ketones) proceeds smoothly to give the corresponding substituted 1-(pyrrolyl)benzimidazolone derivatives in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e017275cd68aaf843fc8a9085ad4257e
https://doi.org/10.1021/jo502135d
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10
Reaction for the synthesis of benzimidazol-2-ones, imidazo[5,4-b]-, and imidazo[4,5-c]pyridin-2-ones via the rearrangement of quinoxalin-2-ones and their aza analogues when exposed to enamines
Autor: Vakhid A. Mamedov, Tat'yana N. Beschastnova, Anastasiya I. Zamaletdinova, Nataliya A. Zhukova, Milyausha S. Kadyrova, Victor V. Syakaev, Shamil K. Latypov, Il'dar Kh. Rizvanov
Publikováno v: The Journal of organic chemistry. 79(19)
A synthetically useful protocol has been developed for the preparation of highly functionalized N-pyrrolylbenzimidazol-2-ones. The reaction of variously substituted 3-aroyl- and 3-alkanoylquinoxalin-2(1H)-ones with commercially available enamines in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebb5073334ac0da5da890838485b67b4
https://pubmed.ncbi.nlm.nih.gov/25203611
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