Works matching AU Shagun, V. A.

Results: 60

Quantum-chemical study of the formation mechanism of fused heterocyclic system in the reaction of imidazole with 1-(iodomethyl)-1,1,3,3,3-pentamethyldisiloxane.

Published in:

Russian Journal of Organic Chemistry, 2016, v. 52, n. 11, p. 1640, doi. 10.1134/S1070428016110154

By:

Shagun, V.;
Zhilitskaya, L.;
Shagun, L.

Publication type:

Article

Mechanism of formation of macrocyclic siloxanes with a benzimidazole fragment by reaction of benzimidazole with 1,3-bis(iodomethyl)-1,1,3,3-tetramethyldisiloxane.

Published in:

Russian Journal of Organic Chemistry, 2016, v. 52, n. 7, p. 1000, doi. 10.1134/S1070428016070137

By:

Shagun, V.;
Zhilitskaya, L.;
Shagun, L.

Publication type:

Article

Quantum chemical study of the formation of cyclophane structure in the alkylation of 1,3-bis(benzotriazolyl)-propan-2-one with 1,3-dihalopropan-2-ones.

Published in:

Russian Journal of Organic Chemistry, 2015, v. 51, n. 10, p. 1464, doi. 10.1134/S107042801510019X

By:

Shagun, V.;
Yarosh, N.;
Shagun, L.

Publication type:

Article

Heterocumulenes reactions with organometallic reagents XXIII. Quantum-chemical study of structural transformations of (propargylsulfanyl)-substituted 2-Aza-1,3,5-triene treated with potassium tert-butoxide.

Published in:

Russian Journal of Organic Chemistry, 2015, v. 51, n. 8, p. 1101, doi. 10.1134/S1070428015080072

By:

Shagun, V.;
Nedolya, N.

Publication type:

Article

Quantum chemical study of the formation of imidazolaphane system in the reaction of 2-methylimidazole with 1,3-diiodopropan-2-one.

Published in:

Russian Journal of Organic Chemistry, 2015, v. 51, n. 6, p. 893, doi. 10.1134/S1070428015060135

By:

Shagun, V.;
Yarosh, N.;
Shagun, L.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XXII. Quantum chemical study of structural transformations of benzylsulfanyl-substituted 2-aza-1,3,5-triene by the action of superbases. Concurrent formation of 4,5-dihydro-3 H-azepine and 4,5-dihydro-1,3-thiazole

Published in:

Russian Journal of Organic Chemistry, 2015, v. 51, n. 4, p. 504, doi. 10.1134/S1070428015040077

By:

Shagun, V.;
Nedolya, N.

Publication type:

Article

Heterocumulenes reactions with organometallic reagents: XXI. Quantum-chemical study of structural transformations of 2-methoxy- and 2-(methylsulfanyl)-N-methylbuta-2,3-dienimidothioates in the Presence of cubr: Pyrrole or methyl-3-(methylsulfanyl)but-2-enimidothioate?

Published in:

Russian Journal of Organic Chemistry, 2013, v. 49, n. 11, p. 1637, doi. 10.1134/S1070428013110134

By:

Shagun, V. A.;
Nedolya, N. A.

Publication type:

Article

Heterocumulenes reactions with organometallic reagents: XX. Quantum-chemical study of concurrent processes of structural reorganization of N-Methyl-2-methoxy- and 2-(methylsulfanyl)buta-2,3-dienimidothioates into pyrroles and/or 2,3-dihydropyridines.

Published in:

Russian Journal of Organic Chemistry, 2013, v. 49, n. 8, p. 1182, doi. 10.1134/S1070428013080149

By:

Shagun, V.;
Hedolya, N.

Publication type:

Article

Quantum-chemical study of mechanisms of reaction between 1,3,5-trimethyl-1 H-pyrazole-4-carbaldehyde with 2-mercaptoethanol.

Published in:

Russian Journal of Organic Chemistry, 2013, v. 49, n. 2, p. 276, doi. 10.1134/S1070428013020164

By:

Shagun, V.;
Shatrova, A.;
Papernaya, L.;
Levkovskaya, G.

Publication type:

Article

New synthesis of poly(phenothiazine-3,7-diyl).

Published in:

Russian Journal of Organic Chemistry, 2012, v. 48, n. 9, p. 1263, doi. 10.1134/S1070428012090230

By:

Shagun, L.;
Dorofeev, I.;
Tokareva, I.;
Smirnov, V.;
Shagun, V.;
Voronkov, M.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XIX. Quantum-chemical study on S-alkylation and intramolecular cyclization of lithiated methoxyallene adducts with methyl, phenyl, and 3-(methylsulfanyl)phenyl isothiocyanates. Concurrent formation of pyrrole and/or thiophene rings

Published in:

Russian Journal of Organic Chemistry, 2012, v. 48, n. 7, p. 982, doi. 10.1134/S1070428012070160

By:

Shagun, V.;
Nedolya, N.

Publication type:

Article

Reaction of 1,3-dihalopropan-2-ones with 2-sulfanylbenzoic acid mono- and disodium salts.

Published in:

Russian Journal of Organic Chemistry, 2011, v. 47, n. 3, p. 461, doi. 10.1134/S1070428011030250

By:

Tokareva, I. A.;
Shagun, L. G.;
Dorofeev, I. A.;
Shagun, V. A.;
Voronkov, M. G.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XVI. Quantum-chemical study on the mechanisms of formation of homo- and heteroannular azacycloheptadienes in reactions of 2-aza-1,3,5-trienes with potassium tert-butoxide.

Published in:

Russian Journal of Organic Chemistry, 2010, v. 46, n. 12, p. 1848, doi. 10.1134/S1070428010120146

By:

Shagun, V.;
Nedolya, N.;
Tarasova, O.;
Volostnykh, O.;
Kazheva, O.;
Chekhlov, A.;
Aleksandrov, G.;
D'yachenko, O.

Publication type:

Article

Heterocumulenes reactions with organometallic reagents: XV. Quantum-chemical investigatiom of skeleton rearrangements of 2-methyl-6-methoxy-3 H-azepine originating from valence tautomerism.

Published in:

Russian Journal of Organic Chemistry, 2010, v. 46, n. 5, p. 722, doi. 10.1134/S1070428010050222

By:

Shagun, V. A.;
Nedolya, N. A.;
Tarasova, O. A.;
Volostnykh, O. G.

Publication type:

Article

Quantum-chemical investigation of the formation of 1,3-diiodoacetone at the photoinitiated disproportionation of 1-iodoacetone.

Published in:

Russian Journal of Organic Chemistry, 2009, v. 45, n. 11, p. 1610, doi. 10.1134/S1070428009110050

By:

Shagun, V. A.;
Shagun, L. G.;
Dorofeev, I. A.

Publication type:

Article

Quantum-chemical study on the mechanism of formation of geminal hydroxy thiols by reaction of 1,3-dihalopropan-2-ones with hydrogen sulfide.

Published in:

Russian Journal of Organic Chemistry, 2008, v. 44, n. 1, p. 31, doi. 10.1134/S107042800801003X

By:

Shagun, V.;
Shagun, L.;
Dorofeev, I.;
Mikhailova, I.;
Voronkov, M.

Publication type:

Article

1,1,1-and 1,1,3-trihalo-2-sulfanylpropan-2-ols: New preparatively accessible synthons.

Published in:

Russian Journal of Organic Chemistry, 2008, v. 44, n. 1, p. 38, doi. 10.1134/S1070428008010041

By:

Dorofeev, I.;
Shagun, L.;
Shagun, V.;
Mikhailova, I.;
Toryashinova, D.;
Voronkov, M.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XIII. Quantum-chemical study on the mechanisms of syn-( Z)/ anti-( E)-isomerization of methyl 2-methoxy- N-methylbuta-2,3-dienimidothioate.

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 11, p. 1585, doi. 10.1134/S1070428007110012

By:

Shagun, V.;
Nedolya, N.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XIV. Quantum-chemical study on the mechanism of unusual thermally induced transformation of methyl N-Methylbuta-2,3-dienimidothioates into iminocyclobutenes with migration of the methylsulfanyl group

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 11, p. 1595, doi. 10.1134/S1070428007110024

By:

Shagun, V.;
Nedolya, N.;
Tarasova, O.

Publication type:

Article

Reactions of heterocumulenes with organometallic reagents: XI. Quantum-chemical study on the mechanism of noncatalytic cyclization of methyl 2-methoxy- N-methylbuta-2,3-dienimidothioate (1-aza-1,3,4-triene) into substituted pyrrole.

Published in:

Russian Journal of Organic Chemistry, 2007, v. 43, n. 4, p. 576, doi. 10.1134/S107042800704015X

By:

Shagun, V. A.;
Nedolya, N. A.;
Brandsma, L.

Publication type:

Article

Synthesis of first examples of α,α-dihalosubstituted thiones and geminal dithiols.

Published in:

Russian Journal of Organic Chemistry, 2006, v. 42, n. 11, p. 1732, doi. 10.1134/S1070428006110248

By:

Dorofeev, I. A.;
Shagun, L. G.;
Mikhailova, I. A.;
Shagun, V. A.;
Voronkov, M. G.

Publication type:

Article

N-isopropenylazoles: III. Quantum-chemical analysis of the reaction of azoles with allene and propyne in the gas phase.

Published in:

Russian Journal of Organic Chemistry, 2006, v. 42, n. 7, p. 1039, doi. 10.1134/S1070428006070190

By:

Shagun, V.;
Tarasova, O.;
Trofimov, B.

Publication type:

Article

Reactions of Heterocumulenes with Organometallic Reagents: X. Quantum-Chemical Study of the Reaction of Aliphatic Isothiocyanates with Lithiated Allenes. Intramolecular Rearrangements of 1,3,4-Azatrienes.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 6, p. 775, doi. 10.1023/B:RUJO.0000044539.72663.58

By:

Shagun, V. A.;
Toryashinova, D-S. D.;
Nedolya, N. A.;
Tarasova, O. A.;
Brandsma, L.

Publication type:

Article

Unexpected Reaction of 2-Chloro-1-Phenylethane-1,1-dithiol with Hydrazine- A New Route to 4,5-Dihydro-1,2,3-thiadiazoles.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 10, p. 1501, doi. 10.1023/B:RUJO.0000010570.89655.28

By:

Shagun, L. G.;
Shagun, V. A.;
Ermolyuk, L. P.;
Sarapulova, G. I.;
Voronkov, M. G.

Publication type:

Article

Quantum-Chemical Study of the Mechanism of Formation of 1- and 2-(Trimethylsilylmethyl)benzotriazoles.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 10, p. 1511, doi. 10.1023/B:RUJO.0000010572.84641.8d

By:

Shagun, V. A.;
Brodskaya, E. I.;
Trofimova, O. M.;
Voronkov, M. G.

Publication type:

Article

Chemistry of Halomethyl Thioketones.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 7, p. 905, doi. 10.1023/B:RUJO.0000003176.22905.25

By:

Voronkov, M. G.;
Shagun, L. G.;
Shagun, V. A.

Publication type:

Article

Acyl Iodides in Organic Synthesis: III. Quantum-Chemical Study of the Reaction of Acyl Iodides and Acyl Chlorides with Methanol.

Published in:

Russian Journal of Organic Chemistry, 2003, v. 39, n. 3, p. 331, doi. 10.1023/A:1025577311469

By:

Shagun, V. A.;
Voronkov, M. G.

Publication type:

Article

Spectral and Quantum-Chemical Study of Acid-Catalyzed Heterocyclization of S-(2-Chloroprop-2-EN-1-YL)Isothiuronium Chloride with Acetylacetone.

Published in:

Chemistry of Heterocyclic Compounds, 2014, v. 50, n. 3, p. 404, doi. 10.1007/s10593-014-1488-1

By:

Sinegovskaya, L.;
Shagun, V.;
Levanova, E.;
Korchevin, N.;
Rozentsveig, I.;
Smirnov, V.

Publication type:

Article

A quantum chemical study of the interaction of monomethyl mercury cation with G, H, S, and Y amino acids.

Published in:

Journal of Structural Chemistry, 2010, v. 51, n. 6, p. 1034, doi. 10.1007/s10947-010-0160-6

By:

Shagun, V.;
Smirnov, V.;
Shagun, L.

Publication type:

Article

Quantum chemical study of the reaction mechanism of the methylmercury cation with 2-mercapto-2-methyltetrahydro-1,4-thiazino[2,3,3,4- i,j]quinolinium chloride in aqueous media.

Published in:

Journal of Structural Chemistry, 2006, v. 47, n. 6, p. 1042, doi. 10.1007/s10947-006-0423-4

By:

Shagun, V.;
Smirnov, V.;
Shagun, L.

Publication type:

Article

Mechanism of mercury monomethyl cation detoxication in the interaction with 1-chloro-2,2-propane dithiol.

Published in:

Journal of Structural Chemistry, 2006, v. 47, n. 5, p. 831, doi. 10.1007/s10947-006-0398-1

By:

Shagun, V.;
Smirnov, V.;
Shagun, L.;
Shevchenko, S.;
Frolov, Yu.

Publication type:

Article

Quantum chemical models of alkali metal hydroxide-water-dimethylsulfoxide superbasic media (MOH-H2O-DMSO, M = Li, Na, K).

Published in:

Journal of Structural Chemistry, 2005, v. 46, n. 6, p. 979, doi. 10.1007/s10947-006-0231-x

By:

Frolov, Yu. L.;
Guchik, I. V.;
Shagun, V. A.;
Vashchenko, A. V.

Publication type:

Article

Quantum chemical study of complexation effects of monomethyl mercury cation with inorganic ligands (Cl, Br, I, HO, HS, HSe) in aqueous medium.

Published in:

Journal of Structural Chemistry, 2005, v. 46, n. 2, p. 230, doi. 10.1007/s10947-006-0035-z

By:

Shagun, V.;
Shevchenko, S.;
Smirnov, V.;
Frolov, Yu.

Publication type:

Article

Quantum chemical study of the effects of interaction of polyhydrated Hg(II) with methylcobalamin — A derivative of vitamin B12.

Published in:

Journal of Structural Chemistry, 2005, v. 46, n. 1, p. 34, doi. 10.1007/s10947-006-0006-4

By:

Shagun, V. A.;
Shevchenko, S. G.;
Smirnov, V. I.;
Frolov, Yu. I.

Publication type:

Article

Quantum-Chemical Study of Interactions between the Hydroxonium Cation and the Monomethyl Mercury Cation in Aqueous Media.

Published in:

Journal of Structural Chemistry, 2004, v. 45, n. 1, p. 36, doi. 10.1023/B:JORY.0000041498.98016.32

By:

Shagun, V. A.;
Frolov, Yu. L.;
Shevchenko, S. G.;
Smirnov, V. I.;
Koval, P. V.

Publication type:

Article

Quantum-Chemical Analysis of Coordination of Dimethylsulfoxide Molecules to Sodium and Potassium Cations.

Published in:

Journal of Structural Chemistry, 2004, v. 45, n. 1, p. 41, doi. 10.1023/B:JORY.0000041499.95749.ed

By:

Guchik, I. V.;
Frolov, Yu. L.;
Shagun, V. A.;
Vashchenko, A. V.;
Trofimov, B. A.

Publication type:

Article

Quantum Chemical Study of the Lithium Cation Coordination by Dimethylsulfoxide Molecules.

Published in:

Journal of Structural Chemistry, 2003, v. 44, n. 6, p. 927, doi. 10.1023/B:JORY.0000034797.12076.f7

By:

Frolov, Yu. L.;
Guchik, I. V.;
Shagun, V. A.;
Vaschenko, A. V.;
Trofimov, B. A.

Publication type:

Article

Quantum Chemical Study of Spatial Structure and Stereoelectronic Properties of Iminodihydrofuran Ensembles.

Published in:

Journal of Structural Chemistry, 2003, v. 44, n. 6, p. 932, doi. 10.1023/B:JORY.0000034798.87831.c9

By:

Shagun, V. A.;
Smirnov, V. I.;
Mal'kina, A. G.;
Trofimov, B. A.

Publication type:

Article

Quantum-Chemical Study of Hydration Effects for Monomethylmercury, -Cadmium, and -Zinc Cations.

Published in:

Journal of Structural Chemistry, 2003, v. 44, n. 5, p. 736, doi. 10.1023/B:JORY.0000029808.94729.d5

By:

Shagun, V. A.;
Shevchenko, S. G.;
Frolov, Yu. L.

Publication type:

Article

Formation mechanism of 1,3-bis(2-oxopropyl)-3H-1,2,3-benzotriazolium triiodide in the alkylation reaction of 1,2,3-benzotriazole with 1-iodopropan-2-one.

Published in:

Journal of Structural Chemistry, 2013, v. 54, n. 5, p. 857, doi. 10.1134/S0022476613050041

By:

Shagun, V. A.;
Dorofeev, I. A.;
Shagun, L. G.

Publication type:

Article

A quantum chemical study of the mechanism of the regioselective domino-reaction of O-vinyl-2-tetralone oxime.

Published in:

Journal of Structural Chemistry, 2013, v. 54, n. 1, p. 17, doi. 10.1134/S0022476613010034

By:

Shagun, V.;
Vasil'tsov, A.;
Ivanov, A.;
Mikhaleva, A.;
Trofimov, B.

Publication type:

Article

GRAY WHALES WITH LOSS OF FLUKES ADAPT AND SURVIVE.

Published in:

Marine Mammal Science, 2004, v. 20, n. 2, p. 335, doi. 10.1111/j.1748-7692.2004.tb01162.x

By:

Urbán R, J.;
Flores de Shagún, V.;
Jones, M.L.;
Swartz, S.L.;
Mate, B.;
Gómez-Gallardo, A.;
Guerrero-Ruíz, M.

Publication type:

Article

Quantum-chemical study of reaction mechanism between tris(2-hydroxyethyl)ammonium fluoride and tetraethoxysilane.

Published in:

Russian Journal of General Chemistry, 2011, v. 81, n. 9, p. 1792, doi. 10.1134/S1070363211090106

By:

Shagun, V.;
Voronkov, M.;
Vrazhnov, D.;
Kochina, T.

Publication type:

Article

Quantum chemical study of valence isomerization of bis(5-thioxopenta-1,3-dien-1-yl) sulfide in the ground and excited states.

Published in:

Russian Journal of General Chemistry, 2009, v. 79, n. 5, p. 972, doi. 10.1134/S1070363209050181

By:

Shagun, V. A.;
Smirnov, V. I.;
Timokhina, L. V.

Publication type:

Article

Quantum-chemical study of intramolecular photocyclization in bis(thioxopropenyl) sulfide systems.

Published in:

Russian Journal of General Chemistry, 2008, v. 78, n. 2, p. 295, doi. 10.1134/S1070363208020199

By:

Shagun, V.;
Smirnov, V.;
Timokhina, L.

Publication type:

Article

A quantum-chemical study of cyclization of bis(3-thioxo-1-propenyl) sulfide in the ground and excited states.

Published in:

Russian Journal of General Chemistry, 2007, v. 77, n. 11, p. 1904, doi. 10.1134/S1070363207110102

By:

Shagun, V. A.;
Smirnov, V. I.;
Timokhina, L. V.

Publication type:

Article

Mechanism of Reactions of Thiols and Disulfides with Dihaloalkanes: A Quantum-Chemical Study.

Published in:

Russian Journal of General Chemistry, 2005, v. 75, n. 1, p. 79, doi. 10.1007/s11176-005-0176-3

By:

Shagun, V.;
Deryagina, E.;
Korchevin, N.;
Russavskaya, N.

Publication type:

Article

Mechanism of Formation and Molecular Structure of α-Halothioacetones.

Published in:

Russian Journal of General Chemistry, 2004, v. 74, n. 4, p. 594, doi. 10.1023/B:RUGC.0000031863.18689.0d

By:

Shagun, V. A.;
Shagun, L. G.;
Voronkov, M. G.

Publication type:

Article

Intramolecular Thiiranocyclobutane-Open Chain Isomerization of 3,3'-Dithioxo Sulfide Derivatives: A Quantum-Chemical Study.

Published in:

Russian Journal of General Chemistry, 2003, v. 73, n. 5, p. 720, doi. 10.1023/A:1026130802463

By:

Shagun, V. A.;
Timokhina, L. V.;
Panova, G. M.;
Frolov, Yu. L.

Publication type:

Article

Quantum-chemical investigation into the effects of hydration of dicyanoaurates in alkali media.

Published in:

Russian Journal of NonFerrous Metals, 2013, v. 54, n. 4, p. 292, doi. 10.3103/S1067821213040056

By:

Elshin, V.;
Shagun, V.;
Ovsyukov, A.

Publication type:

Article