Zobrazeno 1 - 10
of 54
pro vyhledávání: '"I. M. Gella"'
Autor:
Vladimir I. Musatov, Victoria V. Lipson, D. S. Sofronov, I. M. Gella, A. N. Semenenko, Nikolay L. Babak, Svitlana V. Shishkina
Publikováno v:
Russian Journal of Organic Chemistry. 53:282-289
Crotone condensation of allobetulone with fluorine-containing benzaldehydes afforded new α,β-unsaturated ketones of lupane series. Their transformations in reactions of reduction, oxidation, and cyclopropanation were investigated. The structures of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::012fe9be5620243e8ecd045ee85604ec
https://doi.org/10.1134/s1070428017020245
https://doi.org/10.1134/s1070428017020245
Autor:
A. N. Semenenko, Svetlana V. Shishkina, Vladimir I. Musatov, Victoria V. Lipson, I. M. Gella, A. M. Eremina, Nikolay L. Babak
Publikováno v:
Russian Journal of Organic Chemistry. 52:249-260
Chemical transformations of 3-oxolup-20(29)-en-28-al in oxidation, reduction, reductive amination, aldol crotonic condensation, cyclopropanation, Grignard, and Wittig reactions were investigated. The structure of reaction products was established by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77ec62da3854b18708fc2024c22a2b6c
https://doi.org/10.1134/s1070428016020160
https://doi.org/10.1134/s1070428016020160
Autor:
I. M. Gella, Nikolay L. Babak, Svitlana V. Shishkina, Oleg V. Shishkin, Nataliya B. Novikova, Victoria V. Lipson, Vladimir I. Musatov
Publikováno v:
Structural Chemistry. 27:295-303
New series of chiral dopants for cholesteric liquid-crystal compositions were synthesized on the base of 2-substituted allobetuline derivatives, and their steric structure was determined by X-ray analysis. The relationship between spatial structure o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::accbf1e006faeebe05b1505205f72a53
https://doi.org/10.1007/s11224-015-0700-y
https://doi.org/10.1007/s11224-015-0700-y
Autor:
T. G. Drushlyak, Svetlana V. Shishkina, Nikolay L. Babak, Victoria V. Lipson, Vladimir I. Musatov, I. M. Gella
Publikováno v:
Journal of Molecular Structure. 1100:384-394
Dianhydrohexitol azides dipolar 3+2 cycloaddition with N-arylmaleimides has been studied with NMR (1H and 13C, COSY, NOESY and HSQC) and X-ray analysis. In spite of low asymmetrical induction in this reaction, diastereomerically pure products have be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e28e654d6001e6f7b0ee6cfbb962fa97
https://doi.org/10.1016/j.molstruc.2015.07.027
https://doi.org/10.1016/j.molstruc.2015.07.027
Autor:
Nikolay L. Babak, D. A. Morina, Vladimir I. Musatov, N. B. Novikova, A. N. Semenenko, Svetlana V. Shishkina, D. S. Sofronov, I. M. Gella, Victoria V. Lipson
Publikováno v:
Russian Journal of Organic Chemistry. 51:715-726
Aldol-crotonic condensation of allobetulone and betulonic aldehyde with N-substituted pyrrole-2- and pyrazole-4-carbaldehydes afforded a series of new α,β-unsaturated ketones of lupane series. Their reduction provided 2-ylidene derivatives of allob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c90bee6da595e1fbf59321d120a9502
https://doi.org/10.1134/s1070428015050231
https://doi.org/10.1134/s1070428015050231
Autor:
Nikolay L. Babak, Svitlana V. Shishkina, Vladimir I. Musatov, Oleg V. Shishkin, I. M. Gella, A. N. Semenenko, Victoria V. Lipson
Publikováno v:
Russian Journal of Organic Chemistry. 50:1048-1055
Crotonization of allobetulone with aromatic and heteroaromatic aldehydes gave a number of new α,β-unsaturated ketones of the lupane series, and their steric structure was determined by X-ray analysis of (E)-4-[(3-oxoallobetulan-2-ylidene)methyl]ben
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe3221353f263f50cea836122040b19a
https://doi.org/10.1134/s1070428014070203
https://doi.org/10.1134/s1070428014070203
Autor:
A. V. Borisov, O. N. Petrova, I. M. Gella, Elena V. Vashchenko, Victoria V. Lipson, Vladimir I. Musatov, Svetlana V. Shishkina, Lali L. Zamigajlo, Oleg V. Shishkin
Publikováno v:
Chemistry of Heterocyclic Compounds. 50:514-527
Inspired by the concept of multicomponent reactions, a novel one-pot synthesis involving arylglyoxals, 5-aminopyrazoles, and Meldrum's acid has been developed and employed for the creation of a small library of 4-aroyl-2(1),4,5,7-tetrahydropyrazolo[3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d45110853cbe65126a680bdd3128cd9
https://doi.org/10.1007/s10593-014-1502-7
https://doi.org/10.1007/s10593-014-1502-7
Publikováno v:
Molecular Crystals and Liquid Crystals. 591:34-44
Series of ether-ester-substituted 1,4:3,6-dianhydrohexitols were synthesized and studied as chiral dopants to nematics as compositions with 4′-pentyl-4-cyanobiphenyl. The most helical twisting power was found for bis-esters. Lesser values were foun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::415f6fb4da6890a303d089eccd647ff4
https://doi.org/10.1080/15421406.2013.833476
https://doi.org/10.1080/15421406.2013.833476
Primary cell culture from pig neonatal thyroid gland: Growth, folliculogenesis, and hormone activity
Autor:
T. P. Bondarenko, Yu. V. Malyukin, G. A. Bozhok, E. I. Legach, S. B. Bilyavskaya, I. A. Borovoy, I. M. Gella
Publikováno v:
Cell and Tissue Biology. 7:512-521
A comprehensive assay of proliferative and hormonal activity in primary cell cultures derived from neonatal pig thyroid was carried out for the first time. Morphology and basal and thyroid-stimulating hormone (TSH)-stimulated secretion of thyroxin we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89c116de94187ed09b91b8fd5b3fa8b9
https://doi.org/10.1134/s1990519x13060023
https://doi.org/10.1134/s1990519x13060023
Autor:
I. M. Gella, Valeriy D. Orlov, Svetlana V. Shishkina, Oleg V. Shishkin, A. V. Mirnyi, O. D. Bui
Publikováno v:
Chemistry of Heterocyclic Compounds. 49:302-309
Reduction of substituted 4-arylhexahydroquinazoline-2(1H)-thiones using NaBH4/CF3CO2H in chloroform gave the corresponding trans-fused octahydroquinazoline-2(1H)-thiones. The use of two reducing systems, NaBH4/CH3CO2H or NaBH4/CF3CO2H, permitted the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0065b5394b2cfcd005d77cfdea8c4700
https://doi.org/10.1007/s10593-013-1247-8
https://doi.org/10.1007/s10593-013-1247-8