Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Olesya A. Tomashenko"'
Autor:
Ivan P. Mosiagin, Olesya A. Tomashenko, Dar’ya V. Spiridonova, Mikhail S. Novikov, Sergey P. Tunik, Alexander F. Khlebnikov
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 1490-1498 (2021)
A wide range of derivatives with new pyrido[2,1-a]pyrrolo[3,4-c]isoquinoline skeleton was synthesized by free-radical intramolecular cyclization of o-bromophenyl-substituted pyrrolylpyridinium salts using the (TMS)3SiH/AIBN system. The cyclization pr
Externí odkaz:
https://doaj.org/article/ea7c63f1ec934598895b49389322e61a
Autor:
Ekaterina E. Galenko, Olesya A. Tomashenko, Alexander F. Khlebnikov, Mikhail S. Novikov, Taras L. Panikorovskii
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 11, Iss 1, Pp 1732-1740 (2015)
A simple approach was developed for the synthesis of methyl 4-imidazolylpyrrole-2-carboxylates from easily available compounds, 5-methoxyisoxazoles and phenacylimidazolium salts under hybrid Fe(II)/Et3N relay catalysis. The products were easily trans
Externí odkaz:
https://doaj.org/article/72c49dbe82b34a9586b90df6e0c12019
Autor:
Yulia V. Krivolapova, Olesya A. Tomashenko, Liya D. Funt, Dar'ya V. Spiridonova, Mikhail S. Novikov, Alexander F. Khlebnikov
Publikováno v:
Organic & Biomolecular Chemistry. 20:5434-5443
Selective synthesis of azirine-triazole hybrids and their use in preparation of pyrrole-triazole and pyrrole-triazole-pyridine hybrids are reported.
Autor:
Alexander F. Khlebnikov, Olesya A. Tomashenko, Mikhail S. Novikov, Nikita I. Efimenko, Dar’ya V. Spiridonova
Publikováno v:
Organic Letters. 23:6362-6366
2H-Azirine-2-carbonyl azides undergo a rearrangement into derivatives of 2-(1H-tetrazol-1-yl)acetic acid when interacting with O- and S-nucleophiles at room temperature. The reaction is catalyzed by tertiary amines or hydrazoic acid. The reaction wit
Autor:
Alexander F. Khlebnikov, Anastasia I. Solomatina, Natalia N. Shevchenko, Pavel S. Chelushkin, Olesya A. Tomashenko, Galina L. Starova, Julia R. Shakirova, Sergey P. Tunik, Vadim A. Baigildin
Publikováno v:
ACS Applied Polymer Materials. 2:537-547
In this work, we report on the synthesis of the two highly thermosensitive Eu complexes ([(tta)3Eu(NN1)] (Eu1) and [(tta)3Eu(NN2)] (Eu2), where tta is thenoyltrifluoroacetone, NN1 is 3-phenyl-2-(pyridin-2-yl)pyrido[2,1-a]pyrrolo[3,2-c]isoquinoline, a
Autor:
Nikita I, Efimenko, Olesya A, Tomashenko, Dar'ya V, Spiridonova, Mikhail S, Novikov, Alexander F, Khlebnikov
Publikováno v:
Organic letters. 23(16)
2
An Azirine Strategy for the Synthesis of Alkyl 4-Amino-5-(trifluoromethyl)-1H-pyrrole-2-carboxylates
Publikováno v:
Synthesis. 50:4809-4822
1-(3,3,3-Trifluoro-2,2-dihydroxypropyl)pyridin-1-ium bromide serves as a trifluoromethyl-containing building block for the preparation of trifluoromethyl-substituted aminopyrroles based on the 2H-azirine ring expansion strategy. The primary products,
Autor:
Pi-Tai Chou, Pipsa Hirva, Olesya A. Tomashenko, Galina L. Starova, Julia R. Shakirova, Shih Hao Su, Sergey P. Tunik, Ekaterina E. Galenko, Alexander F. Khlebnikov
Publikováno v:
Inorganic Chemistry. 57:6853-6864
A series of novel diimine (N∧N) ligands containing developed aromatic [2,1-a]pyrrolo[3,2-c]isoquinoline system have been prepared and used in the synthesis of Ir(III) luminescent complexes. In organic solvents, the ligands display fluorescence whic
Autor:
Elena V. Grachova, Julia R. Shakirova, Sergey P. Tunik, Alexander F. Khlebnikov, Olesya A. Tomashenko, Galina L. Starova, Vladimir V. Sizov
Publikováno v:
European Journal of Inorganic Chemistry. 2017:4180-4186
A series of Au(I) alkynyl complexes containing a novel N-donor ligand (2-phenylpyrido[2,1-a]pyrrolo[3,2-c]isoquinoline) coordinated through pyrrol-nitrogen has been synthesized and characterized using X-ray crystallography and NMR spectroscopy. The c
Autor:
Alexander F. Khlebnikov, Mikhail S. Novikov, Petr P. Petrovskii, Helen Stoeckli-Evans, Olesya A. Tomashenko
Publikováno v:
Chemistry of Heterocyclic Compounds. 53:909-912
Dimethyl 3-(2-bromophenyl)dibenzo[b,f]pyrrolo[1,2-d][1, 4]oxazepine-1,2-dicarboxylate and its 3,13b-dihydro and 1,2,3,13b-tetrahydro analogs undergo intramolecular cyclization under free radical conditions with the formation of dimethyl 7-oxa-2a1-aza