Zobrazeno 1 - 10
of 37
pro vyhledávání: '"I. Turovskis"'
Autor:
Edgars Liepinsh, J. Stradins, S. Stupnikova, Baiba Turovska, Sergey Belyakov, S. Grinberga, I. Goba, I. Turovskis
Publikováno v:
Chemistry of Heterocyclic Compounds. 44:1483-1490
The electrochemical oxidation of 4-monoalkyl-substituted 1,4-dihydropyridines has been studied in an aprotic medium and in the presence of pyridine. In an aprotic medium the products of oxidation are both 4-alkyl-substituted and 4-unsubstituted pyrid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f64da760aae8d432916d17a158e30ba
https://doi.org/10.1007/s10593-009-0211-0
https://doi.org/10.1007/s10593-009-0211-0
Publikováno v:
Chemistry of Heterocyclic Compounds. 43:175-186
It has been shown that chemical oxidation of the methyl ester of 3,4,5-trimethoxycarbonyl-1,2,6-trimethyl-1,4-dihydropyridine to the pyridinium salt, requiring forcing experimental conditions, may be replaced by electrochemical oxidation. On electroc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c013a038df5a10c9041cfe190e7614e6
https://doi.org/10.1007/s10593-007-0029-6
https://doi.org/10.1007/s10593-007-0029-6
Publikováno v:
Chemistry of Heterocyclic Compounds. 40:753-758
A study was carried out on the electrochemical oxidation of 1,4-dihydropyridines, found as substituents in pyridinium salts, which are strong electron acceptors. The potentials for their oxidation in acetonitrile were determined. NMR spectroscopy was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6108992e54f7f903ee8d4eef890ef1fe
https://doi.org/10.1023/b:cohc.0000040771.98660.f0
https://doi.org/10.1023/b:cohc.0000040771.98660.f0
Publikováno v:
Chemistry of Heterocyclic Compounds. 39:1600-1607
It was established that 9b-substituted 5,9b-dihydroindenopyridines are formed in addition to the reduction products on preparative electrochemical reduction of 5-oxoindeno[1,2-b]pyridinium perchlorates at a mercury electrode in acetonitrile in the pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e09fa6f91fc8e281a0d5c5ab8a683c52
https://doi.org/10.1023/b:cohc.0000018337.96922.7d
https://doi.org/10.1023/b:cohc.0000018337.96922.7d
Autor:
Anatoly Mishnev, I. Turovskis, Ya. Ya. Ozols, B. A. Vigante, Ya. P. Stradyn, Gunars Duburs, Larisa Baumane
Publikováno v:
Chemistry of Heterocyclic Compounds. 34:1166-1173
By the interaction of 2-acetyl-5,5-dimethyl-2-cyclohexen-1-one with certain nitroenamines, a number of hexahydro-8-isoquinolones with a nitro group in position 4 have been obtained; potentials of their electrochemical oxidation have been determined,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::636556cda15de6d015dc0d4e75ada9b7
https://doi.org/10.1007/bf02319495
https://doi.org/10.1007/bf02319495
Publikováno v:
ChemInform. 29
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06ac9408edf77848444969f7844507e8
https://doi.org/10.1002/chin.199823079
https://doi.org/10.1002/chin.199823079
Autor:
Larisa Baumane, Anatoly Mishnev, B. A. Vigante, Ya. Ya. Ozols, I. Turovskis, J. Stradins, Gunars Duburs
Publikováno v:
ChemInform. 30
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53cf8b2b67b6b3a689513d5f47e05e11
https://doi.org/10.1002/chin.199913173
https://doi.org/10.1002/chin.199913173
Bromination of tert-Butyl Esters of 7α-Chloro and 7-Alkylidenedeacetoxycephalosporanic Acid Sulfones
Publikováno v:
ChemInform. 37
The action of N-bromosuccinimide on tert-butyl esters of 7α-chloro- and 7-alkylidenedeacetoxycephalosporanic acid sulfones upon irradiation with visible light leads to the formation of a mixture of the product of allylic bromination of the 3-methyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5989f58c9b39a58684d7f922a4311fdf
https://doi.org/10.1002/chin.200611219
https://doi.org/10.1002/chin.200611219
Autor:
Iveta Kanepe, Maksims Vorona, I. Shestakova, Edmunds Lukevics, Grigory Veinberg, I. Turovskis, K. I. Dikovskaya
Publikováno v:
ChemInform. 36
New derivatives of 2-oxo-1-azetidinylacetamide have been synthesized by the four-component condensation of β-amino acids with aldehydes and isonitriles. Study of their cytotoxic activity in vitro revealed a cytotoxic effect of individual compounds i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::346d37c1e5fdd454e2aaf0e8d42436fa
https://doi.org/10.1002/chin.200546097
https://doi.org/10.1002/chin.200546097
Publikováno v:
Nucleosides, nucleotidesnucleic acids. 24(8)
In the course of investigation of 8-alkylamino substituted adenosines, the title compounds were synthesized as potential partial agonists for adenosine receptors. The structure determination of these compounds was carried out with the X-ray crystallo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebd5f00159ac9bcf2e7a8195fc3abb2b
https://pubmed.ncbi.nlm.nih.gov/16270662
https://pubmed.ncbi.nlm.nih.gov/16270662