Search Results - "Selivanov, S. I."

Organocatalytic Diastereoselective Synthesis of Spiro[3-azabicyclo[3.1.0]hexanes] via 1,3-Dipolar Cycloaddition of Azomethine Ylides with Cyclopropenes by Pronina, Yu. A., Viktorov, N. B., Selivanov, S. I., Kornev, A. A., Ponyaev, A. I., Boitsov, V. M., Stepakov, A. V.

“…A three-component organocatalytic reaction of 1,3-dipolar cycloaddition between the in situ generated azomethine ylides and 3-substituted…”
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Synthesis of 2-Cyanoethoxy and 2-(1H-Tetrazol-5-yl)ethoxy Derivatives of Glycyrrhetic Acid Methyl Ester by Zorina, A. D., Polozova, V. L., Marchenko, S. A., Selivanov, S. I., Trifonov, R. E.

“…Cyanoethylation of natural glycyrrhetic acid methyl ester gave the corresponding 3β- O -(2-cyanoethyl) derivative which was treated with sodium azide to obtain…”
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Synthesis and anti-influenza activity of 2-cyanoethoxy and 2-(1H-tetrazol-5-yl)ethoxy derivatives of dammarane-type triterpenoids by Zorina, A. D., Kaledina, A. S., Motsepuro, I. A., Anokhina, V. V., Marchenko, S. A., Selivanov, S. I., Zarubaev, V. V., Trifonov, R. E.

“…A series of 3-(2-1 Н -tetrazol-5-ylethoxy- and 2-1 Н -tetrazol-5-ylethoxyimino) derivatives of dammarane triterpenoids was synthesized by azidation of…”
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Synthesis and Structure of a New Semisynthetic Taraxerone Derivative Fused to a Pyrazine Ring through the C2–C3 Bond by Zorina, A. D., Nikiforova, N. S., Starova, G. L., Marchenko, S. A., Selivanov, S. I., Trifonov, R. E.

“…A new semisynthetic derivative of natural taraxerone fused to a pyrazine ring through the C 2 –C 3 bond, (4a R ,6b R ,14a R ,16a S…”
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α-aminoazoles in synthesis of heterocycles: III. 4-trifluoromethylpyrazolo[3,4-b]pyridines: Synthesis and structure by Emelina, E. E, Petrov, A. A, Selivanov, S. I, Filyukov, D. V

“…Cyclocondensation of N-substituted 5-aminopyrazoles with fluorinated 1,3-diketones yielded 4-trifluoromethyl-substituted pyrazolo[3,4-b]pyridines as the only…”
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Oxidative addition of N-aminophthalimide to styryl-1,2,4-oxadiazoles by Beletskii, E. V, Ignatenko, O. A, Kuznetsov, M. A, Selivanov, S. I

“…The oxidation of N-aminophthalimide with lead tetraacetate in the presence of 5-[(E)-2-arylethenyl]-3-(4-methylphenyl)-1,2,4-oxadiazoles and…”
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α-aminoazoles in synthesis of heterocycles: IV. Regiodirection of 3(5)-amino-5(3)-methylpyrazole reaction with hexafluoroacetylacetone by Petrov, A. A, Emelina, E. E, Selivanov, S. I

“…The reaction of 3(5)-amino-5(3)-methylpyrazole with hexafluoroacetylacetone depending on the process conditions led to the formation either of…”
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Synthesis and Molecular Structure of D-Homo-B-nor-8α Analogs of Steroidal Estrogens by Shavva, A. G, Antimonova, O. I, Baigozin, D. V, Starova, G. L, Selivanov, S. I, Morozkina, S. N

“…According to the X-ray diffraction and NMR data, two D-homo-B-nor-8α-analogs of steroidal estrogens in crystal and in solution have similar conformations. The…”
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Thermolysis of dimethyl cis- and trans-1 pthalimidoaziridine-2,3-dicarboxylates in the presence of dipolarophiles by Kuznetsov, M. A, Ushkov, A. V, Selivanov, S. I, Pan'kova, A. S, Linden, A

“…Thermolysis of dimethyl esters of stereoisomeric phthalimidoaziridine-2,3-dicarboxylic acids in the presence of dimethyl fumarate, dimethyl maleate, and…”
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Synthesis and investigation of the biological properties of 6-oxa-8α-analogs of steroid estrogens containing a methyl group at C-4 by Morozkina, S. N, Selivanov, S. S, Selivanov, S. I, Drozdov, A. S, Eshchenko, N. D, Shavva, A. G

“…4-Methyl-substituted 6-oxa-8α-analogs of steroid estrogens have been synthesized and the ¹H and ¹³C NMR signals of these compounds have been completely…”
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Investigation of the conformational transformations in some 7α-methyl-6-oxa-14β-analogs of steroidal estrogens by NMR spectroscopy by Selivanov, S. I, Morozkina, S. N, Chentsova, A. S, Shavva, A. G

“…The stereochemical structure and conformational transformations of two 6-oxa-14β-estra-1,3,5(10), 8(9)-tetraenes having an α-methyl group at position 7 were…”
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Chemoselective cyclocondensation of α-acylacetamidines with 2-methylsulfanyl-4,6-dichloropyrimidine-5-carbaldehyde by Ryazanov, S. G, Selivanov, S. I, Dar'in, D. V, Lobanov, P. S, Potekhin, A. A

“…Cyclocondensation of α-acylacetamidine with 2-methylsulfanyl-4,6-dichloropyrimidine-5-carbaldehyde proceeds chemo- and regioselectively involving replacement…”
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Synthesis of Substituted Methyl Pyridazine-4-carboxylates via Cycloaddition of Diazomethane to 2,3-Disubstituted 2-Cyclopropenecarboxylic Acids by Razin, V. V., Yakovlev, M. E., Shataev, K. V., Selivanov, S. I.

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Synthesis, structure, and biological properties of some 8alpha-analogues of steroid estrogens with fluorine in position 2 by Belov, V N, Dudkin, V Iu, Urusova, E A, Starova, G L, Selivanov, S I, Nikolaev, S V, Eshchenko, N D, Morozkina, S N, Shavva, A G

“…A total synthesis of 8alpha analogues of steroid estrogens with fluorine in position 2 was achieved. Structural features of these compounds were studied by the…”
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Divergence of de novo biosynthesis of inosine-5'-triphosphate by Tribunskikh, I A, Alenin, V V, Selivanov, S I, Shavva, A G, Inge-Vechtomov, S G

“…(ProQuest: Abstract omitted; see image)[PUBLICATION ABSTRACT]…”
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Synthesis, structure, and biological properties of some 8α analogues of steroid estrogens with fluorine in position 2 by Belov, V. N., Dudkin, V. Yu, Urusova, E. A., Starova, G. L., Selivanov, S. I., Nikolaev, S. V., Eshchenko, N. D., Morozkina, S. N., Shavva, A. G.

“…A total synthesis of 8 alpha analogues of steroid estrogens with fluorine in position 2 was achieved. Structural features of these compounds were studied by…”
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Synthesis and investigation of the spatial arrangement of the 17β-acetoxy-7α,18-dimethyl-3-methoxy-6-oxaestra-1,3,5(10),8(9)-tetraene by Shavva, A. G., Selivanov, S. I., Starova, G. L., Abusalimov, Sh. N.

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Synthesis of 6-oxaestra-1,3,5(10),8,14-pentaenes by Abusalimov, Sh. N., Nikol’skaya, S. K., Starova, G. L., Selivanov, S. I., Shavva, A. G.

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Synthesis and biological properties of D-homo-6-oxa-8α-analogues of steroid estrogens by Shavva, A. G., Morozkina, S. N., Ishchenko, I. V., Eliseev, I. I., Selivanov, S. I., Abusalimov, Sh. N., Selivanov, S. S., Kameneva, I. Yu, Eshchenko, N. D.

“…Modifications of D-homo-6-oxa-8 alpha -analogues of steroid estrogens were found to lead to a complete loss of the uterotropic and hypertriglyceridemic…”
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Nucleophilic addition of bifunctional sulfimidosulfides to platinum(IV)-coordinated nitriles by Makarycheva-Mikhailova, A. V., Selivanov, S. I., Bokach, N. A., Kukushkin, V. Yu, Kelly, P. F., Pombeiro, A. J. L

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