Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Elena V. Vashchenko"'
Autor:
Elena A. Muravyova, Volodymyr V. Tkachenko, Sergey M. Desenko, Yulia V. Sen’ko, Thomas J.J. Müller, Elena V. Vashchenko, Valentin A Chebanov
Publikováno v:
ARKIVOC, Vol 2013, Iss 3, Pp 338-371 (2013)
Externí odkaz:
https://doaj.org/article/ac3d524317d047aa8b3246c2c4a488a5
Autor:
Herman H. Y. Sung, Elena V. Vashchenko, Valerii V. Vashchenko, Ruel Valerio Robles De Grano, Madiha Nisar, Ian D. Williams
Publikováno v:
Acta Crystallographica Section C Structural Chemistry. 76:490-499
The flavonoid Oroxylin A (6-methoxychrysin or 5,7-dihydroxy-6-methoxy-2-phenyl-4H-chromen-4-one, C16H12O5) and its regioisomers are of increasing interest for a variety of bioactive functions and their pharmaceutical formulation is of importance. Pre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63336ed60a35d31f0aa1d9b0b6b681e8
https://doi.org/10.1107/s2053229620005550
https://doi.org/10.1107/s2053229620005550
Autor:
Lawrence W-Y, Wong, Elena V, Vashchenko, Ying, Zhao, Herman H-Y, Sung, Valerii V, Vashchenko, Vadim, Mikhailenko, Alexander I, Krivoshey, Ian D, Williams
Publikováno v:
ChiralityREFERENCES. 31(11)
Resolution of rac-3,3,3-trifluorolactic acid by diastereomeric salt formation was reinvestigated. The use of (S)-1-phenylethylamine gives coprecipitation of two diastereomeric phases, 1 (S)-[NH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::63a5cdbb3f2c580eb49529724b37d672
https://pubmed.ncbi.nlm.nih.gov/31566827
https://pubmed.ncbi.nlm.nih.gov/31566827
Autor:
Alisa D. Morozova, Valentin A. Chebanov, Svitlana V. Shishkina, Elena A. Muravyova, Yulia V. Sen'ko, Elena V. Vashchenko
Publikováno v:
Journal of Heterocyclic Chemistry. 54:932-943
5-Amino-3-methylisoxazole and 3-amino-5-methylisoxazole were studied in details in the multicomponent heterocyclizations with aromatic aldehydes and Meldrum's or N,N′-dimethylbarbituric acid with help of classical and non-classical (microwave and u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce2aa5e0b2ac95ee8d218ebd6ec82c0c
https://doi.org/10.1002/jhet.2656
https://doi.org/10.1002/jhet.2656
Publikováno v:
Molecular Crystals and Liquid Crystals. 616:176-186
The method of gas chromatography-mass spectrometry (GC-MS) was used to determine the amount of 1,4-diphenyl-1,3-butadiene(DFB) in p-terphenyl (PTP) crystal. We studied five p-terphenyl single-crystal boules with different initial DFB concentrations.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::571b2d147c3b88d65e6fb70df2503c95
https://doi.org/10.1080/15421406.2014.991105
https://doi.org/10.1080/15421406.2014.991105
Autor:
Aleksandr V. Mazepa, Ekaterina V. Zaliznaya, Elena V. Vashchenko, Oleg K. Farat, Viktor I. Markov, Nikolay Yu. Gorobets, Roman I. Zubatyuk
Publikováno v:
Chemistry of Heterocyclic Compounds. 51:327-333
Octahydroacridine-4-carbonitrile (carboxamide) was shown to react with aryldiazonium salts and other electrophilic reagents in acidic and neutral media. The reactions occurred at the methine carbon atom, forming the corresponding 4-functionalized der
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e92cfec6c11fcac89acbe76e11a1da7
https://doi.org/10.1007/s10593-015-1703-8
https://doi.org/10.1007/s10593-015-1703-8
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:
Chemistry of Heterocyclic Compounds. 49:872-881
The thermally activated or microwave-induced one-pot three-component condensation of arylglyoxal hydrates, 1,3-dimethylbarbituric acid, and guanidine salts or methylisothiuronium hydroiodide gave respectively 2-amino-5-aryl- and 5-aryl-2-methylsulfan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd9321c17b5bfc656a8ed1bf51f13636
https://doi.org/10.1007/s10593-013-1321-2
https://doi.org/10.1007/s10593-013-1321-2
Autor:
Thomas Müller, Yulia V. Sen'ko, Volodymyr V. Tkachenko, Elena A. Muravyova, Valentin A. Chebanov, Elena V. Vashchenko, Sergey M. Desenko
Publikováno v:
ARKIVOC, Vol 2013, Iss 3, Pp 338-371 (2013)
ResearcherID
ResearcherID
Three-component heterocyclizations of 5-amino-3-methylisoxazole, cyclohexanedione derivatives, and aromatic aldehydes, including salicylic aldehydes, are studied under conventional thermal heating, microwave irradiation and ultrasonication. A depende
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a70f5d385aca570529be047c594f38c
https://doi.org/10.3998/ark.5550190.p008.093
https://doi.org/10.3998/ark.5550190.p008.093
Autor:
N. V. Chechina, Irina V. Omelchenko, Elena V. Vashchenko, L. L. Zamigailo, Nadezhda N. Kolos, Oleg V. Shishkin
Publikováno v:
Chemistry of Heterocyclic Compounds. 48:1817-1823
4-Aryl-2-methylaminothiazoles and 5-aryl-2-mercapto-1-methylimidazoles, containing a fragment of 1,3-dimethylbarbituric acid, have been synthesized by the one-pot three-component condensation of 1,3-dimethylbarbituric acid, arylglyoxal hydrates, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::820f7e1810cae507fe9d04a3cbba673b
https://doi.org/10.1007/s10593-013-1214-4
https://doi.org/10.1007/s10593-013-1214-4