Zobrazeno 1 - 10
of 48
pro vyhledávání: '"D.-S. D. Toryashinova"'
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
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.
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
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
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
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
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
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
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
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