Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Svyatoslav Polovkovych"'
Autor:
Ivan Sydorenko, Serhii Holota, Andrii Lozynskyi, Yulian Konechnyi, Volodymyr Horishny, Andriy Karkhut, Svyatoslav Polovkovych, Olexandr Karpenko, Roman Lesyk
Publikováno v:
Molbank, Vol 2022, Iss 4, p M1478 (2022)
Multicomponent reactions effectively contribute to modern organic and medicinal chemistry. 4-Thiazolidinone core and cyclopropyl moiety are important structural motifs for design of potential biologically active molecules. In the present paper, the c
Externí odkaz:
https://doaj.org/article/e246e79f58384ceaaed63f9edf48155f
Autor:
Andrii Lozynskyi, Andriy Karkhut, Svyatoslav Polovkovych, Olexandr Karpenko, Serhii Holota, Andrzej K. Gzella, Roman Lesyk
Publikováno v:
Results in Chemistry, Vol 4, Iss , Pp 100464- (2022)
A 3-phenylpropanal and citral were studied in the multicomponent reaction with the isorhodanine and maleimides (EDDA catalyst) with the aim of the novel thiopyrano[2,3-d]thiazoles synthesis. 3-Phenylpropanal reacts with the selective formation of the
Externí odkaz:
https://doaj.org/article/7c359b7dc23f4c76970fe2555ff07b91
Autor:
Andrii Lozynskyi, Julia Senkiv, Iryna Ivasechko, Nataliya Finiuk, Olga Klyuchivska, Nataliya Kashchak, Danylo Lesyk, Andriy Karkhut, Svyatoslav Polovkovych, Oksana Levytska, Olexandr Karpenko, Assyl Boshkayeva, Galiya Sayakova, Andrzej Gzella, Rostyslav Stoika, Roman Lesyk
Publikováno v:
Molecules, Vol 27, Iss 21, p 7575 (2022)
A series of 11-substituted 3,5,10,11-tetrahydro-2H-benzo[6,7]thiochromeno[2,3-d][1,3]thiazole-2,5,10-triones were obtained via hetero-Diels-Alder reaction of 5-alkyl/arylallylidene/-4-thioxo-2-thiazolidinones and 1,4-naphthoquinones. The structures o
Externí odkaz:
https://doaj.org/article/e7eca4302d434a269f36d3ec1f75f795
Autor:
Iryna Ivasechko, Andrii Lozynskyi, Julia Senkiv, Piotr Roszczenko, Yuliia Kozak, Nataliya Finiuk, Olga Klyuchivska, Nataliya Kashchak, Nazar Manko, Zvenyslava Maslyak, Danylo Lesyk, Andriy Karkhut, Svyatoslav Polovkovych, Robert Czarnomysy, Olga Szewczyk, Andriy Kozytskiy, Olexandr Karpenko, Dmytro Khyluk, Andrzej Gzella, Krzysztof Bielawski, Anna Bielawska, Petr Dzubak, Sona Gurska, Marian Hajduch, Rostyslav Stoika, Roman Lesyk
Publikováno v:
European Journal of Medicinal Chemistry. 252:115304
Autor:
Khrystyna Bolibrukh, Yuriy Shakh, Liliya Shevchuk, Svyatoslav Polovkovych, Volodymyr Novikov, Mykhaylo Slesarchuk, Vadym Syngaevsky, Andriy Karkhut
Publikováno v:
Chemistry & Chemical Technology. 12:167-175
Проведено реакції нуклеофільного заміщення між 5-R-2,3-дихлоро-1,4-нафтохінонами і 4-аміно-5-гетерил- 4H-1,2,4-триазол-3-тіолами. Показано, що взає
Publikováno v:
Chemistry & Chemical Technology. 12:18-23
Була проведена та досліджена на B3LYP/6-31G(d,p) рівні реакція Дільса-Альдера азо-біс- ціанурхлориду як електрофільного дієнофілу з рядом дієн
Autor:
Andriy Karkhut, Roman Lesyk, Borys Zimenkovsky, Andrzej Gzella, Svyatoslav Polovkovych, Andrii Lozynskyi
Publikováno v:
Tetrahedron Letters. 57:3318-3321
Novel thiopyrano[2,3-d]thiazole derivatives were synthesized from 5-arylidene-4-thioxo-2-thiazolidinones and 2(5H)furanone in 62–79% yields via hetero-Diels–Alder reactions and related acylation-based tandem processes. The reaction of 5-(4-fluoro
Autor:
O. Kovalchuk, Vadym Syngaevsky, Andriy Karkhut, Svyatoslav Polovkovych, I. Romanenko, Volodymyr Novikov, L.D. Bolibrukh, I. Gubytska, Olena Komarovska-Porokhnyavets, Y. U. Shakh, Khrystyna Bolibrukh, M. S. Slesarchuk
Publikováno v:
Indian Journal of Pharmaceutical Sciences. 79
The aim of the work was the synthesis of new S-, N-containing heterocyclic naphthoquinone derivatives and evaluation of antimicrobial activity, which is important in terms of finding new drugs. The implementation of this approach can be made by nucle
Autor:
Andriy Karkhut, Andrii Lozynskyi, Andrzej Gzella, Roman Lesyk, Svyatoslav Polovkovych, Borys Zimenkovsky
Publikováno v:
ChemInform. 47
Novel thiopyrano[2,3-d]thiazole derivatives were synthesized from 5-arylidene-4-thioxo-2-thiazolidinones and 2(5H)furanone in 62–79% yields via hetero-Diels–Alder reactions and related acylation-based tandem processes. The reaction of 5-(4-fluoro
Autor:
Volodymyr Novikov, Roman Lesyk, Svyatoslav Polovkovych, Borys Zimenkovsky, Natalia G. Marintsova, Andrew Karkhut
Publikováno v:
Journal of Heterocyclic Chemistry. 50:1419-1424
New aromatic aldimines, isatine substituted ketimines based on (4,6-dichloro-1,3,5-triazin-2-yl)-hydrazine scaffold and polycyclic fused thiopyranothiazoles formed using hetero-Diels-Alder reactions starting from 4-thioxo-2-thiazolidinones and 5-norb