Zobrazeno 1 - 10
of 70
pro vyhledávání: '"A. S. Sigachev"'
Autor:
Vladimir Ivanov, Michael A. Smirnov, G. Yu. Yurkov, A. S. Sigachev, Yu. V. Sorokin, V. M. Buznik, V. P. Tarasov, Elena P. Kharitonova, T. P. Kulagina, Yu. E. Vopilov, V. S. Polyakov
Publikováno v:
Inorganic Materials: Applied Research. 4:131-137
A set of physical methods is used to study the molecular, supramolecular, and topologic structure of polytetrafluoroethylene (PTFE) powders obtained from the gaseous phase of a monomer, tetrafluoroethylene (TFE) (C2F4), under ultraviolet irradiation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2682c7810639857e6e79ed20db2f1c9
https://doi.org/10.1134/s2075113313020044
https://doi.org/10.1134/s2075113313020044
Autor:
Yu. V. Nelyubina, K. A. Lyssenko, Ivan V. Glukhov, Angelina N. Kravchenko, Galina A. Gazieva, Nina N. Makhova, A. S. Sigachev, Marina I. Struchkova
Publikováno v:
Russian Chemical Bulletin. 58:1945-1954
α-Thioureidoalkylation of urea heteroanalogs such as thiosemicarbazide, amino-guanidine, sulfamide, and sulfonamides with 4,5-dihydroxyimidazolidine-2-thiones has been studied. Previously unknown 4,5-bis[thiosemicarbazido(guanidinoamino)]imidazolidi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f576fbf9c165680ab8a81dc90ed92eb9
https://doi.org/10.1007/s11172-009-0266-1
https://doi.org/10.1007/s11172-009-0266-1
Autor:
Oleg V. Lebedev, Vadim A. Davankov, Angelina N. Kravchenko, Vladimir A. Tartakovsky, Konstantin A. Lyssenko, Nina N. Makhova, Pavel A. Belyakov, Mikhail M. Ilyin, A. S. Sigachev
Publikováno v:
Russian Chemical Bulletin. 58:1264-1269
The α-ureidoalkylation of N-(hydroxyalkyl)ureas (ureido alcohols) with 1,3-H2- and 1,3-Me2-4,5-dihydroxyimidazolidin-2-ones was systematically studied. The yields of glycolurils decrease both in going from 1,3-H2- to 1,3-Me2-4,5-dihydroxyimidazolidi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::296d67c81bc567af7f548e077c378375
https://doi.org/10.1007/s11172-009-0165-5
https://doi.org/10.1007/s11172-009-0165-5
Autor:
Galina A. Gazieva, Nina N. Makhova, K. A. Lyssenko, E. Yu. Maksareva, Angelina N. Kravchenko, A. S. Sigachev
Publikováno v:
Russian Chemical Bulletin. 56:148-153
Two-step α-ureidoalkylation of ureas with various 4,5-dihydroxyimidazolidin-2-ones gave novel 1,3-dialkyl-4,5-bis(3-alkylureido)-, 1,3-dialkyl-4,5-bis[3-(2-pyrimidyl)ureido]-, or 1,3-dialkyl-4,5-bis(3,3-dialkylureido)imidazolidin-2-ones and ensemble
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d57c2d043080a52c96be493283e031fc
https://doi.org/10.1007/s11172-007-0024-1
https://doi.org/10.1007/s11172-007-0024-1
Autor:
Konstantin A. Lyssenko, Oleg V. Lebedev, Angelina N. Kravchenko, Galina A. Gazieva, A. S. Sigachev, Natalya G. Kolotyrkina, Nina N. Makhova, Pavel A. Belyakov
Publikováno v:
Journal of Heterocyclic Chemistry. 43:1295-1302
The first representatives of 3,3′-bi(2,4-dioxa-6,8-diazabicyclo[3.3.0]octan-7-ones) have been synthesized by a reaction of glyoxal as form of 2,2′-bi(4,5-dihydroxy-1,3-dioxalane) with N,N′-dialkylureas. Their structures have been supported by X
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8464e3888d0e98da902af91ab9dfc2f8
https://doi.org/10.1002/jhet.5570430523
https://doi.org/10.1002/jhet.5570430523
Autor:
Marina I. Struchkova, Denis V. Lyubetsky, K. A. Lyssenko, N. S. Trunova, Galina A. Gazieva, Nina N. Makhova, Vladimir A. Tartakovsky, E. Yu. Maksareva, A. S. Sigachev, M. M. Il’in, K. A. Chegaev, Angelina N. Kravchenko, Vadim A. Davankov, Oleg V. Lebedev
Publikováno v:
Chemistry of Heterocyclic Compounds. 42:365-376
The N-hydroxymethylation, N-acetylation, and N-acetoxymethylation of mono-, di-, and trialkylglycolurils by reaction with the electrophilic reagents formaldehyde and acetaldehyde have been studied. General methods have been developed for the preparat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6128f14ca21e065a944a47776c4acf34
https://doi.org/10.1007/s10593-006-0094-2
https://doi.org/10.1007/s10593-006-0094-2
Autor:
M. Yu. Antipin, Konstantin A. Lyssenko, Yu. V. Nelyubina, Angelina N. Kravchenko, A. S. Sigachev
Publikováno v:
Russian Chemical Bulletin. 55:399-407
The geometries and peculiarities of the electronic structure of chiral 1,3-dialkyl-4,5-bis(3-guanidinioamino)imidazolidin-2-one dications (C 2 symmetry) and their associates in salts containing chloride and nitrate anions were studied by X-ray diffra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77defee9f1a5f5b4f514960a6b2ad8ae
https://doi.org/10.1007/s11172-006-0270-7
https://doi.org/10.1007/s11172-006-0270-7
Autor:
Boris V. Lozhkin, Vadim A. Davankov, E. Yu. Maksareva, Oleg V. Lebedev, Nina N. Makhova, Tatyana S. Pivina, Angelina N. Kravchenko, Galina A. Gazieva, Konstantin A. Lyssenko, N. S. Trunova, M. M. Il’in, Vladimir A. Tartakovsky, Yu. V. Nelyubina, A. S. Sigachev
Publikováno v:
Russian Chemical Bulletin. 54:691-704
Two general procedures were developed for the synthesis of chiral N-mono-, N, N′-di-, N, N′ N″-tri-, and N, N′, N″, N′″-tetraalkylglycolurils based on the reactions of 4,5-dihydroxy-imidazolidin-2-ones or glyoxal with one or two moles o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c6444d025f444c841e1bf6c7db50e02
https://doi.org/10.1007/s11172-005-0307-3
https://doi.org/10.1007/s11172-005-0307-3
Autor:
E. Yu. Maksareva, A. S. Sigachev, Angelina N. Kravchenko, K. A. Lyssenko, Nina N. Makhova, Oleg V. Lebedev, K. Yu. Chegaev, Pavel A. Belyakov
Publikováno v:
Russian Chemical Bulletin. 52:192-197
New (1R*,5S*)-2-R-2,4,6,8-tetraazabicyclo[3.3.0]octane-3,7-diones containing the terminal carboxy or hydroxy group in the substituent R were synthesized by cyclocondensation of 4,5-dihydroxyimidazolidin-2-one with 1-R-ureas. Single-crystal X-ray diff
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37a6e7b2d828a0e743edcb5b4c5519be
https://doi.org/10.1023/a:1022473004714
https://doi.org/10.1023/a:1022473004714
Autor:
Natalya G. Kolotyrkina, A. S. Sigachev, Angelina N. Kravchenko, Konstantin A. Lyssenko, Nina N. Makhova, Boris V. Lozhkin
Publikováno v:
Mendeleev Communications. 17:85-87
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4658122eb04e7428d43dc14bf72ecf61
https://doi.org/10.1016/j.mencom.2007.03.010
https://doi.org/10.1016/j.mencom.2007.03.010