S 98 Synthesis and Structure of Isopropyl 5-Methyl-7-aryl-4,7-dihydrotetrazolo[1,5-a]pyrymidine-6-carboxylates [Text] / I. N. Vladimirov, A. A. Zorina, E. V. Nosova, V. L. Gein, O. V. Fedorova, M. I. Vakhrin // IV International Conference "Multi-Component Reactions and Related Chemistry", Ekaterinburg, 24-28 May 2009. - Екатеринбург, 2009. - PS 49 Рубрики: ХИМИЧЕСКИЕ НАУКИ |
S 98 Synthesis of methyl 7-aryl-6-(2-thenoyl)-4,7-dihydro-tetrazolo[1,5-a]pyrimidine-5-carboxylates and their reaction with hydrazine hydrate [Electronic resource] / V. L. Gein, V. V. Mishunin, E. P. Tsyplyakova, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2011. - Vol. 47, № 7. - P1077-1082. - Bibliogr. : p. 1082 (5 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: Fusion of methyl 4-(2-thienyl)-2,4-dioxobutanoate with 1H-tetrazol-5-amine monohydrate and aromatic aldehyde gave methyl 7-aryl-6-(2-thenoyl)-4,7-dihydrotetrazolo[1,5-a]pyrimidine-5-carboxylates which reacted with an equimolar amount of hydrazine hydrate at 180-190A degrees C under solvent-free conditions to produce 9-aryl-8-(2-thienyl)-4,9-dihydrotetrazolo[1',5': 1,2]pyrimido[4,5-d]pyridazin-5(6H)-ones \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2011, 47 (7), 1077.pdf |
F 76 Formation of alkyl 1-methyl-3,9-dioxo-2-phenyl-2,3,4,9-tetrahydro-1H-pyrrolo[3,4-b]quinoline-1-carboxylates by thermolysis of alkyl 1,5-diaryl-4-methyl-2,3,6-trioxo-1,2,3,4,5,6-hexahydropyrrolo[3,4-b]pyrrole-4-carboxylates / V. L. Gein, R. O. Dyrenkov, N. A. Kornienko, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №4. - С. 616-617 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): CARBOXYLATES -- THERMOLYSIS -- QUINOLINE \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (4), 616-617.pdf |
S 98 Synthesis of N-substituted 7-aryl-5-methyl-4,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxamides / V. L. Gein, T. M. Zamaraeva, N. V. Nosova, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №3. - С. 419-422 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): SYNTHESIS -- 6-CARBOXAMIDES -- PYRIMIDINE Аннотация: Three-component reaction of N-methyl- or N,N-diethyl-3-oxobutanamide with aromatic aldehydes and tetrazol-5-amine monohydrate gave the corresponding N-substituted 7-aryl-5-methyl-4,7-dihydrotetrazolo-[1,5-a]pyrimidine-6-carboxamides \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (3), 419-422.pdf |
F 76 Formation of N,N′-Di(5-alkoxycarbonyl-5-methyl-2-oxo-1-phenyl-2,5-dihydro-1H-pyrrol-3-yl)-N,N′-diphenyloxalylamides in the synthesis of alkyl 4-methyl-2,3,6-trioxo-1,5-diphenyl-1,2,3,4,5,6-hexahydropyrrolo[3,4-b]pyrrole-4-carboxylates / V. L. Gein, R. O. Dyrenkov, N. A. Kornienko, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №3. - С. 296-298 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): 5-ALKOXYCARBONYL -- DIPHENYLOXALYLAMIDES -- CARBOXYLATES \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (2), 296-298.pdf |
F 76 Formation of 4-aroylhydrazono-2-methyl- 5-oxo-1-phenyl-3-phenylaminooxalyl-pyrrolidine-2-carboxylates [Electronic resource] / V. L. Gein, R. O. Dyrenkov, N. A. Kornienko, M. I. Vakhrin, G. A. Veikhman, P. A. Slepukhin // Chemistry of Heterocyclic Compounds. - 2012. - Vol.47, №12. - P1590-1592 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): PHENYLAMINOOXALYL -- PYRROLIDINE -- CARBOXYLATES \\\\Expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2011, v.47, N 12, p.1590-1592.pdf |
S 98 Synthesis of 6-Acetyl-1-methyl-3-oxo-5,8-diphenyl-2-azabicyclo[2.2.2]octane-4-carbonitrile [Electronic resource] / N. V. Nosova, P. A. Slepukhin, A. V. Vagapov, V. L. Gein // Chemistry of Heterocyclic Compounds. - 2013. - Vol.48, №11. - P1725-1727 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): SYNTHESIS -- CARBONITRILE -- 6-ACETYL \\\\Expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2013, v.48, N 11, p. 1725-1727.pdf |
S 98 Synthesis of alkyl 4-aryl-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3- carboxylates [Electronic resource] / V. L. Gein, M. I. Kazantseva, L. F. Gein, P. A. Slepukhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2014. - Vol.50, №2. - С. 240-243. - Bibliogr. : p. 214 (4 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ALKYL ACETOACETATES -- AROMATIC ALDEHYDES -- AMMONIUM ACETATE Аннотация: Reactions of alkyl acetoacetates, aromatic aldehydes, ammonium acetate, and 1,3-cyclohexanedione afford alkyl 4-aryl-2-methyl-5-oxo-1,4,5,6,7,8- hexahydroquinoline-3-carboxylates. The structure of compounds obtained was established with the help of IR, 1H NMR, and mass spectra and by X-ray diffraction analysis \\\\expert2\\nbo\\Russian Journal of Organic Chemistry\\2014, 50, (2), 240-243.pdf |
G 33 Gein, V. L. A novel four-component synthesis of ethyl 6-amino-4-aryl-5-cyano-2,4-dihydropyrano[2,3-c]pyrazole-3-carboxylates [Electronic resource] / V. L. Gein, T. M. Zamaraeva, P. A. Slepukhin. - [Б. м. : б. и.]. - Bibliogr. : p. 4528 (26 ref.). - Б. ц. Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): MULTICOMPONENT REACTION -- AROMATIC ALDEHYDES -- SODIUM DIETHYLOXALOACETATE Аннотация: Ethyl 6-amino-4-aryl-5-cyano-2,4-dihydropyrano[2,3-с]pyrazole-3-carboxylates were synthesized via a four-component reaction of the sodium salt of diethyloxaloacetate, an aromatic aldehyde, hydrazine hydrate, and malononitrile. The products were obtained in moderate to high yields. \\\\expert2\\nbo\\Tetrahedron Letters\\2014, v. 55, p. 4525.pdf |
O-57 One-pot multicomponent synthesis of highly substituted bicyclo[2.2.2]octane derivatives using bismuth nitrate as a catalyst [Electronic resource] / V. L. Gein, A. N. Yankin, N. V. Nosova, M. V. Dmitriev, P. A. Slepukhin // Tetrahedron Letters. - 2016. - Vol. 57, № 22. - С. 2441-2444 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ISMUTH NITRATE -- ACETOACETANILIDE -- MULTICOMPONENT REACTION Аннотация: The one-pot synthesis of novel 3-(arylamino)-5,8-diaryl-1-hydroxy-N-2,N-6-diphenylbicyclo[2.2.2]oct-2-ene-2,6-dicarboxamides in good yields has been accomplished via the multicomponent reaction of aromatic aldehydes, substituted anilines, and acetoacetanilide using bismuth nitrate as a catalys \\\\expert2\\NBO\\Tetrahedron Letters\\2016, v. 57, p. 2441-2444.pdf |
R 30 Reaction of 4-aryl-2-hydroxy-4-oxo-2-butenoic acid N-(4-acetylaminosulfonylphenyl)amides with hydrazine hydrate and phenylhydrazine [Electronic resource] / V. L. Gein, O. V. Bobrovskaya, G. N. Seliverstov, P. A. Slepukhin // Russian Journal of General Chemistry. - 2016. - Vol. 86, № 2. - С. 300-304 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): HYDRAZINE -- PYRAZOLE-3-CARBOXAMIDES -- PHENYLHYDRAZINE Аннотация: Reaction of 4-aryl-2-hydroxy-4-oxo-2-butenoic acid N-(4-acetylaminosulfonylphenyl)amides with hydrazine hydrate and phenylhydrazine in acetic acid has afforded N-[4-(acetylaminosulfonyl)phenyl]-5-arylpyrazole-3-carboxamides. \\\\expert2\\NBO\\Russian Journal of General Chemistry\\2016, V. 86, N 2, p. 300-304.pdf |
G 33 Gein, V. L. Diethyl oxalacetate sodium salt as a reagent to obtain functionalized spiro[indoline-3,4’-pyrano[2,3-c]pyrazoles] / V. L. Gein, T. M. Zamaraeva, P. A. Slepukhin // Tetrahedron Letters. - 2017. - Vol. 58. - С. 134-136. - Bibliogr. : p. 136 (27 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): 3,4’-PYRANO[2,3-C]PYRAZOLES -- INDOLINE -- SODIUM SALT \\\\expert2\\NBO\\Tetrahedron Letters\\2017, v. 58, p. 134-136.pdf |
Synthesis and structure of 3-aryl-2,4-dibenzoyl-5-hydroxy-5-methylcyclohexanones and 2-benzoyl-5-hydroxy-5-methyl-3-phenylcyclohexanone / N. V. Nosova, A. V. Vagapov, V. L. Gein, L. F. Gein, P. A. Slepukhin // Russian Journal of General Chemistry. - 2018. - Vol. 88, № 5. - P903-907 Рубрики: ХИМИЧЕСКИЕ НАУКИ |