Zobrazeno 1 - 10
of 199
pro vyhledávání: '"A. V. Butin"'
Publikováno v:
ARKIVOC, Vol 2000, Iss 4, Pp 641-659 (2000)
Externí odkaz:
https://doaj.org/article/df731b67b5da471aa025a886950179ad
Autor:
Valerij E. Zavodnik, Gennadij D. Krapivin, Vladimir T. Abaev, Alexander V. Butin, Andrey V. Gutnov
Publikováno v:
Molecules, Vol 4, Iss 7, Pp 204-218 (1999)
2-Hydroxyaryl(5-methylfur-2-yl)alkanes synthesized by alkylation of 2-methylfuran with various 2-hydroxybenzylic alcohols, were rearranged into corresponding 3-R-benzo[b]furan derivatives by treatment with ethanolic HCl solution. These compounds can
Externí odkaz:
https://doaj.org/article/f1bc03a639674e6cbd2ded7ad501b348
Publikováno v:
Molecules, Vol 4, Iss 2, Pp 52-61 (1999)
Data, concerning condensation reactions of salicylaldehydes and 2-methylfuran are generalized. During the course of investigation a sequence of proceeding transformations is established. It is shown that it is possible to obtain 2-hydroxyarylbis(5-me
Externí odkaz:
https://doaj.org/article/bf0858640f6746f08981f53204a8231b
Publikováno v:
Molecules, Vol 2, Iss 4, Pp 62-68 (1997)
2-Nitroaryldifurylmethanes 1a and 1b, readily available by condensation of 2-nitrobenzaldehyde and 6-nitroveratraldehyde with 2-methylfuran, were transformed into indole, cinnoline and benzothiazine-3,1 derivatives. The reduction of 2-nitroaryldifury
Externí odkaz:
https://doaj.org/article/095ee76f88384f02b2dd5d026f85ab58
Publikováno v:
2019 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON).
In this paper the approach of shape recovery for impulse signal transmitted along a long-distance line is described. The actual spectrum of impulse signal during electronic device tests on accelerators is ranging from 1 MHz–1 GHz. In addition, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c33c21f3f3d7eebf81fd368da0050647
https://doi.org/10.1109/sibircon48586.2019.8958120
https://doi.org/10.1109/sibircon48586.2019.8958120
Publikováno v:
2019 International Multi-Conference on Engineering, Computer and Information Sciences (SIBIRCON).
This paper describes the research results of development of noise-immunity memory cell containing a trigger, a delay element, a coincidence element, a gamma sensor, and an electronic key. In the case of upset initiated by gamma radiation, a control s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f2a38508df09d07b3b0748987bece0c
https://doi.org/10.1109/sibircon48586.2019.8958205
https://doi.org/10.1109/sibircon48586.2019.8958205
Publikováno v:
2019 International Siberian Conference on Control and Communications (SIBCON).
This paper describes the research results of bipolar transistor as sensors of neutron fluence with particle energy larger than 0.1 MeV. The bipolar transistor connection diagram an device realization based on STM32 microcontroller are described. STM3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdb49f610fcf1527b5a61ef533f5ec18
https://doi.org/10.1109/sibcon.2019.8729650
https://doi.org/10.1109/sibcon.2019.8729650
Publikováno v:
Tetrahedron. 71:8786-8790
We designed and realized for the first time an approach to indolizino[7,6-b]indoles. This approach is based on the Leuckart–Wallach reaction of 2-(2-oxoalkyl)indoles with formamide followed by Bischler–Napieralski cyclization producing γ-carboli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbe226d84901a07510e2ad5be899d818
https://doi.org/10.1016/j.tet.2015.09.046
https://doi.org/10.1016/j.tet.2015.09.046
Autor:
Tatyana A. Nevolina, Alexander V. Butin, Petrakis N. Chalikidi, Vladimir T. Abaev, Maxim G. Uchuskin
Publikováno v:
Chemistry of Heterocyclic Compounds. 51:621-629
A simple preparative method has been developed for the synthesis of aryl(furfuryl) ketones, amides, and furylacetic acid esters, based on radical alkylation of furan derivatives at the α-position with О-ethyl(phenacyl)xanthogenates and phenacyl iod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a75efb53679a93cc7db5175980e8ed3f
https://doi.org/10.1007/s10593-015-1744-z
https://doi.org/10.1007/s10593-015-1744-z
Publikováno v:
European Journal of Organic Chemistry. 2015:2999-3016
This review summarizes the results of recent investigations of intramolecular furan ring-opening–azaheterocycle ring-closing reactions induced by acid or electrophilic attack on the furan ring.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::229eb5c31fa3d2a84b5cd0d3fae065d5
https://doi.org/10.1002/ejoc.201403580
https://doi.org/10.1002/ejoc.201403580