Výsledky vyhledávání - "D.‐S. D. Toryashinova"

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

Autor: L. G. Shagun, V. A. Shagun, D. S. D. Toryashinova, I. A. Dorofeev, I. A. Mikhailova, M. G. Voronkov

Publikováno v: Russian Journal of Organic Chemistry. 44:38-42

A procedure has been developed for the synthesis of 1,1,1-trichloro-2-sulfanylpropan-2-ol and 1,1,3-tribromo-2-sulfanylpropan-2-ol via acid-catalyzed addition of hydrogen sulfide to the corresponding ketones. The stability of the resulting hydroxy th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01bf38d0c60a70cdbba1018c85f4f8ac
https://doi.org/10.1134/s1070428008010041

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1,7-Dithioxo-substituted systems. Bis(5,5-dimethyl-3-thioxocyclohex-1-enyl) sulfide in reactions with metals

Autor: Sergey V. Fedorov, M. P. Yashchenko, L. V. Kanitskaya, O. V. Sokol'nikova, M. G. Voronkov, L. V. Timokhina, D. S. D. Toryashinova

Publikováno v: Russian Journal of General Chemistry. 77:1342-1345

The transformations of bis(5,5-dimethyl-3-thioxocyclohex-1-enyl) sulfide in the presence of activated copper and zinc powders are studied. The products obtained are analyzed by quantitative 13C NMR spectroscopy.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cbb9e367a1724a742f522c4062508a6e
https://doi.org/10.1134/s1070363207080075

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Facile coupling of 2-(1-ethylthioethenyl)pyrroles with amines: A route to 2-(1-aminoethenyl)pyrroles and 1-amino-3-iminopyrrolizines

Autor: Olga V. Petrova, Al'bina I. Mikhaleva, Leonid B. Krivdin, Vladislav N. Drichkov, Ol'ga A. Tarasova, D. S. D. Toryashinova, Lyubov N. Sobenina, Boris A. Trofimov, Yuriy Yu. Rusakov, Igor A. Ushakov

Publikováno v: Journal of Heterocyclic Chemistry. 44:505-513

2-(2-Cyano-1-ethylthioethenyl)pyrroles are readily coupled (50–55°) with primary and secondary amines at the position 1 of the ethenyl moiety to eliminate ethanethiol and afford 2-(1-amino-2-cyanoethenyl)pyrroles and/or their cyclic isomers - func

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f152e799d172293f25882f95c649bf0c
https://doi.org/10.1002/jhet.5570440301

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Hydrothiolysis of carbofunctional α,β-unsaturated sulfides as an approach to the synthesis of 1,7-dithiocarbonyl compounds

Autor: O. V. Sokol'nikova, D. S. D. Toryashinova, L. V. Kanitskaya, L. V. Timokhina, M. G. Voronkov, M. P. Yashchenko

Publikováno v: Russian Journal of Organic Chemistry. 42:1208-1212

Bis(1-N,N-dimethylimmonio-3-phenylprop-2-en-3-yl) sulfide diperchlorate and (1-N,N-dimethyl-immonio-3-phenylprop-2-en-3-yl) (5,5-dimethyl-1-morpholiniocyclohex-2-en-3-yl) sulfide diperchlorate react with hydrogen sulfide giving rise to the correspond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7075e0f5b464fd674aeea73f18c81a87
https://doi.org/10.1134/s1070428006080185

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Formation of a hydrogenation catalyst in the cobalt acetylacetonate-triethylaluminum system

Autor: Bagrat A. Shainyan, Fedor K. Shmidt, V. A. Umanets, D. S. D. Toryashinova, V. V. Saraev, Nina N. Chipanina, L. N. Belonogova, L. O. Nindakova

Publikováno v: Kinetics and Catalysis. 47:54-63

Based on the results obtained using chemical, kinetic, and physical techniques (EPR, IR, and UV spectroscopy; transmission electron microscopy; and XRD analysis), the formation of active species in the triethylaluminum-bis(tris)(acetylacetonato)cobal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::743dcf72ac685ba7b1f302afb89c1acb
https://doi.org/10.1134/s0023158406010095

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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

Autor: Lambert Brandsma, Vladimir A. Shagun, D-S. D. Toryashinova, Nina A. Nedolya, Ol'ga A. Tarasova

Publikováno v: Russian Journal of Organic Chemistry. 40:775-789

Study of the potential energy surface for the reaction of isothiocyanates with α-lithiated allenes showed that the formation of 1,3,4-azatriene occurs in one step through a four-center transition state. [1,5]-Sigmatropic rearrangements of 1,3,4-azat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2575ef09486580b19fe73f1521805f46
https://doi.org/10.1023/b:rujo.0000044539.72663.58

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Expedient routes to 4,4-dialkyl- 5-methylene-1,3-oxazolines

Autor: Elena Yu. Schmidt, A. V. Afonin, L. V. Klyba, Alexander M. Vasil'tsov, Al'bina I. Mikhaleva, D.‐S. D. Toryashinova, Jan-Dirk Arndt, Jochem Henkelmann, Alexey B. Zaitsev

Publikováno v: ARKIVOC, Vol 2003, Iss 13, Pp 35-44 (2003)

Tertiary alkynols with benzonitrile cyclize in the presence of acids to give 4,4-dialkyl-5methylene-2-phenyl-1,3-oxazolines. Aliphatic nitriles and tertiary acetylenic alcohols are transformed, through intermediate acetylenic amides, which undergo ri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e21af28740ffbb7950a19b6e22d99538
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0004.d05

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Structure and Properties of 2,2-Dibromovinyl Trifluoromethyl Ketone

Autor: D. S. D. Toryashinova, Yu. L. Frolov, G. V. Bozhenkov, Mirskova Anna N, Galina G. Levkovskaya

Publikováno v: Russian Journal of Organic Chemistry. 39:807-813

It was established by IR spectroscopy and quantum-chemical calculations along nonempirical DFT method in B3LYP version with the basis set 6-311 G(d,p) that 2,2-dibromovinyl trifluoromethyl ketone consisted of a mixture of s-cis planar conformer and s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ada90baa9703d6ebf19ae682f2d96c8
https://doi.org/10.1023/b:rujo.0000003156.65761.7b

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N-andC-Vinylation of Pyrroles with DisubstitutedActivated Acetylenes

Autor: Tamara I. Vakul'skaya, Boris A. Trofimov, D.‐S. D. Toryashinova, Al'bina I. Mikhaleva, Lyubov N. Sobenina, Valentina N. Elokhina, Zinaida V. Stepanova, Igor A. Ushakov, Anastasiya G. Mal'kina

Publikováno v: Synthesis. 2003:1272-1278

Addition of pyrrole and 2-phenylpyrrole to 2-acyl- and 2-cyano-1-phenylacetylenes in the KOH-DMSO system affords chemo- and regioselectively N-adducts: 1-(2-acyl- and 1-(2-cyano-1-phenylethenyl)pyrroles in 32-89% yield. 4,5,6,7-Tetrahydroindole react

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c40fd409f3735400fc6395bd5df5a889
https://doi.org/10.1055/s-2003-39411

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[Untitled]

Autor: A. V. Abramov, D. S. D. Toryashinova, Yu. L. Frolov, A. V. Vashchenko

Publikováno v: Journal of Structural Chemistry. 43:218-224

The torsion potentials of the protonated forms of vinyl methyl and allenyl methyl ethers and sulfides were calculated by the ab initio HF, MP2, and B3LYP methods. The requirements to calculations of series of these compounds were established. It was

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85148d14079cb73f67bb3bff9fc76dc6
https://doi.org/10.1023/a:1019632003893

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