Synthesis and molecular structure of spirocyclic 2-oxindole derivatives of 2-amino-4H-pyran condensed with the pyrazolic nucleus RG Redkin, LA Shemchuk, VP Chernykh, OV Shishkin, SV Shishkina Tetrahedron 63 (46), 11444-11450, 2007 | 113 | 2007 |
Synthesis of fused 2′-amino-3′-R-spiro-[indole-3,4′-pyran]-2(1H)-ones LA Shemchuk, VP Chernykh, RG Red’Kin Russian Journal of Organic Chemistry 44 (12), 1789-1794, 2008 | 41 | 2008 |
Peculiarities of 2-amino-3-R-4-aryl-4 H-pyranes multicomponent synthesis derived from 1 H-2, 1-benzothiazin-4 (3 H)-one 2, 2-dioxide DA Lega, NY Gorobets, VP Chernykh, SV Shishkina, LA Shemchuk RSC advances 6 (19), 16087-16099, 2016 | 22 | 2016 |
An efficient, three-component synthesis and molecular structure of derivatives of 2-amino-3-R-6-ethyl-4,6-dihydropyrano[3,2-c][2,1]benzothiazine-5,5-dioxide … LA Shemchuk, DA Lega, RG Redkin, VP Chernykh, OV Shishkin, ... Tetrahedron 70 (44), 8348-8353, 2014 | 20 | 2014 |
Synthesis and antimicrobial activity of Bis-Derivatives of 3a′, 6a′ Dihydro-2'H-Spiro [Indole-3, 1'-Pyrrolo [3, 4-c] Pyrrole]-2, 4', 6'(1H, 3'H, 5'H)-Trione RG Redkin, EI Syumka, LA Shemchuk, VP Chernykh | 14 | 2017 |
Reaction of anthranilic acid 2-N-phenylhydrazide with cyclic anhydrides LA Shemchuk, VP Chernykh, OS Krys’ kiv Russian Journal of Organic Chemistry 44, 1006-1008, 2008 | 14 | 2008 |
Reaction of anthranilic acid amides with cyclic anhydrides LA Shemchuk, VP Chernykh, OS Krys’ kiv Russian journal of organic chemistry 42, 382-387, 2006 | 14 | 2006 |
1, 2-Benzoxathiin-4 (3 H)-one 2, 2-dioxide–new enol nucleophile in three-component interaction with benzaldehydes and active methylene nitriles GV Grygoriv, DA Lega, VP Chernykh, L Zaprutko, AK Gzella, A Pawełczyk, ... RSC advances 8 (65), 37295-37302, 2018 | 11 | 2018 |
Synthesis of 1-ethyl-1H-2,1-benzothiazine 2,2-dioxide derivatives using cycloalkanecarbaldehydes and evaluation of their antimicrobial activity DA Lega, VP Chernykh, L Zaprutko, AK Gzella, LA Shemchuk Chemistry of Heterocyclic Compounds 53, 219-229, 2017 | 11 | 2017 |
The study of the three-component interaction between 1-ethyl-1H-2, 1-benzothiazin-4 (3H)-one 2, 2-dioxide, heterylcarbaldehydes and active methylene nitriles DA Lega, VP Chernykh, LA Shemchuk ÍÔàÓ, 2016 | 11 | 2016 |
Reactions of ethyl oxamate and dialkyl oxalates with anthranilic acid derivatives LA Shemchuk, VP Chernykh, PS Arzumanov, OS Krys’ kiv Russian Journal of Organic Chemistry 43, 719-722, 2007 | 10 | 2007 |
Synthesis of novel spiro-condensed 2-amino-4H-pyrans based on 1,2-benzoxathiin-4(3H)-one 2,2-dioxide GV Grygoriv, DA Lega, L Zaprutko, AK Gzella, E Wieczorek-Dziurla, ... Chemistry of Heterocyclic Compounds 55, 254-260, 2019 | 9 | 2019 |
The synthesis, anti-inflammatory, analgesic and antimicrobial activities of ethyl 2-amino-4-alkyl-4, 6-dihydropyrano [3, 2c][2, 1] benzothiazin-3-carboxylate 5, 5-dioxides and … DA Lega, NI Filimonova, IA Zupanets, SK Shebeko, VP Chernykh, ... Journal of Organic and Pharmaceutical Chemistry 14 (4 (56)), 3-11, 2016 | 9 | 2016 |
Synthesis of N-(4-oxo-3,4-dihydroquinazolin-3-yl)succinimide and N-(4-oxoquinazolin-3-yl)succinamic acid derivatives based thereon LA Shemchuk, VP Chernykh, PS Arzumanov, DV Levashov, ... Russian Journal of Organic Chemistry 43, 615-618, 2007 | 9 | 2007 |
Synthesis and the antimicrobial activity of hexamethylene-N-maleinimidospiroindole-3, 3’-pyrrolo| 3, 4-ñ| pyrrole derivatives YI Suymka, RG Red’kin, LA Shemchuk, KV Hlebova, NI Filimonova Æóðíàë îðãàí³÷íî¿ òà ôàðìàöåâòè÷íî¿ õ³ì³¿, 56-62, 2017 | 8 | 2017 |
Synthesis of 2-R-3-Hydroxy [1, 2, 4] triazino [6, 1-b]-quinazoline-4, 10-diones. LA Shemchuk, VP Chernykh, OS Krys’kiv Russian journal of organic chemistry 42 (5), 2006 | 8 | 2006 |
Synthesis of 3-amino-3, 4-dihydroquinazolin-4-one derivatives from anthranilic acid hydrazide and dicarboxylic acids LA Shemchuk, VP Chernykh, PS Arzumanov, IL Starchikova Russian Journal of Organic Chemistry 43, 1830-1835, 2007 | 7 | 2007 |
Transformations of N'-Anthranyloylhydrazides of Dicarboxylic Acids: Synthesis of Quinazolin-4-one Derivatives LA Shemchuk Russian journal of organic chemistry 34 (4), 534-537, 1998 | 6 | 1998 |
Antimicrobial, anti-inflammatory and analgesic activities of 2-amino-6-ethyl-4, 6-dihydropyrano [3, 2-c][2, 1] benzothiazine 5, 5-dioxides and triethylammonium 3-[1-(4-hydroxy … DA Lega, NI Filimonova, IA Zupanets, SK Shebeko, VP Chernykh, ... News of Pharmacy, 61-69, 2016 | 5 | 2016 |
Synthesis of 3-aryl-2-[hydroxy (diaryl) methyl]-4-oxo-3, 4-dihydroquinazolines LA Shemchuk, VP Chernykh, DV Levashov, KM Sytnik, LM Shemchuk Russian journal of organic chemistry 46, 1687-1690, 2010 | 5 | 2010 |