Zobrazeno 1 - 10
of 22
pro vyhledávání: '"L. V. Grishchuk"'
Autor:
L. V. Grishchuk, E. I. Ivanov, A. M. Turyanskaya, D. E. Stepanov, V. P. Lozitsky, V. A. Pushkina
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 12, Iss 9, Pp 55-60 (2016)
Взаємодією 2-меркапто-3-нітро-4-фенілхінолінів з відповідними R-заміщеними фенацилбромідами отримані нові 2-RS-похідні 1,2-дигідро-3-нітро-4-ф
Externí odkaz:
https://doaj.org/article/4bbb0261566d46a082a78fdf3defd529
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 12, Iss 10, Pp 120-123 (2016)
Heterocyclization reaction of 2-chloroacetylamino-benzophenones, either with electron-donating, or electron-withdrawn substituents in the 5 position, with sodium nitrite in DMF or DMSO medium brings to new 6-substituted l,2-dihydroquinoline-2-ones, t
Externí odkaz:
https://doaj.org/article/6d4b9fa417af46f1b66ed061971c3ae8
Autor:
A. A. Yavolovskii, D. E. Stepanov, L. V. Grishchuk, S. M. Pluzhnik-Gladyr, I. M. Rakipov, Yu. E. Ivanov, G. L. Kamalov
Publikováno v:
Russian Journal of Organic Chemistry. 57:1841-1846
Autor:
D. E. Stepanov, Sergei M. Pluzhnik-Gladyr, L. V. Grishchuk, Yu. E. Ivanov, A. А. Yavolovskii, Gerbert L. Kamalov
Publikováno v:
Russian Journal of General Chemistry. 90:1093-1095
Reactions of 1,4-benzoquinone with 2-(2-oxo-2-arylethylidene)-2,3-dihydro-1H-pyrimidine-4-ones in glacial acetic acid proceed selectively to give 2-[1-(2,5-dihydrophenyl)-2-oxo-2-arylethylidene]-2,3-dihydropyrimidine-4(1H)-ones.
Autor:
Gerbert L. Kamalov, A. A. Yavolovskii, L. V. Grishchuk, Sergei M. Pluzhnik-Gladyr, Yurii E. Ivanov
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:307-311
This article describes the synthesis of 2-(2-oxo-2-arylethylidene)-2,3-dihydropyrimidin-4(1Н)-ones and provides details of their reactivity, such as nucleophilic and electrophilic substitution, as well as associated processes: acidic degradation, is
Autor:
L. V. Grishchuk, Gerbert L. Kamalov, V. Kh. Kravtsov, M. S. Fonar, A. A. Yavolovskii, Yu. E. Ivanov
Publikováno v:
Russian Journal of Organic Chemistry. 54:1213-1217
Reaction of potassium thiocyanate with 2-[2-oxo-1-(1-tosyloxyimino)-2-phenylethyl]pyrimidin-4-(3H)-one derivatives led to the formation of a new fused heterocyclic system with a common nitrogen atom, substituted 7H-[1,2,5]thiadiazolo[2,3-a]pyrimidin-
Autor:
Gerbert L. Kamalov, A. A. Yavolovskii, Sergei M. Pluzhnik-Gladyr, D. E. Stepanov, Yu. E. Ivanov, L. V. Grishchuk
Publikováno v:
Russian Journal of General Chemistry. 86:1604-1607
The reaction of 6-methyl-2-(2-oxo-2-phenylethylidene)-2,3-dihydropyrimidine-4(1H)-one with arylhydrazines leads in high yields to the corresponding hydrazones, in which the ethylidene fragment of the starting compound is transformed to the ethylene f
Autor:
Gerbert L. Kamalov, Yurii E. Ivanov, Arkadii А. Yavolovskii, Sergei M. Pluzhnik-Gladyr, Dmitrii E. Stepanov, I. M. Rakipov, L. V. Grishchuk
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:463-464
The reaction of 2-(2-oxo-2-phenylethylidene)-2,3-dihydropyrimidin-4(1H)-ones and ethyl cyanoacetate leads to the formation of 4-hydroxy-2,10-dioxo-5-phenyl-1,10-dihydro-2H-pyrimido[1,2-a][1,8]naphthyridine-3-carbonitriles.
Autor:
Yu. E. Ivanov, L. V. Grishchuk, A. A. Yavolovskii, R. Yu. Ivanova, L. Croitor, Marina S. Fonari, Gerbert L. Kamalov
Publikováno v:
Journal of Heterocyclic Chemistry. 53:2030-2035
Derivatives of 2-methylidene-1,3-dihydropyrimidin-4-ones 2a, 2b, 2c, 2d, 2e, 2f, 2g were synthesized by interaction of 6-methyl-2-thiouracil and 6-phenyl-2-thiouracil 1a, 1b with some activated halogenides: diethyl bromomalonate, ethyl 2-chloro-3-oxo
Autor:
Gerbert L. Kamalov, Sergei M. Pluzhnik-Gladyr, Yu. E. Ivanov, A. A. Yavolovskii, D. E. Stepanov, L. V. Grishchuk, E. I. Bevzyuk
Publikováno v:
Russian Journal of General Chemistry. 84:869-874
2-(2-Oxo-2-arylethylidene)-2,3-dihydropyrimidine-4(1H)-ones react with aromatic and heteroaromatic aldehydes to form the unsaturated ketones, whereas in the case of 3- and 4-benzaldehydes the corresponding trans-2-styrylpyrimidine-4(3H)-ones were obt