Search Results - "Chipanina, N. N"

N-(Chlorodimethylsilyl)methylated Derivatives of N,N′-Propyleneurea. IR Spectra Analysis and Quantum-Chemical Calculations by Chipanina, N. N., Oznobikhina, L. P., Lazareva, N. F.

“…The IR spectra of N -silylmethylated derivatives of N , N ′-propyleneurea in solvents of different polarity were studied in a wide temperature range. The DFT…”
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Mechanism of Chlorotriflamidation of Vinylsilanes with N,N-Dichlorotriflamide by Chipanina, N. N., Oznobikhina, L. P., Ushakova, I. V., Shainyan, B. A.

“…The mechanism of the reaction of vinylsilanes with N , N -dichlorotriflamide and the effect of a substituent at the silicon atom on the reaction course and on…”
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Supramolecular Structure and Hydrogen Bonding of N,N′-Bis(trifluoromethylsulfonyl)amides of Dicarboxylic Acids by Chipanina, N. N., Tolstikova, L. L., Shainyan, B. A.

“…Quantum-chemical DFT simulation of N , N ’-bis(trifluoromethylsulfonyl)amides of dicarboxylic acids TfNHСO(CH 2 ) n CONHTf ( n = 0–3) has allowed evaluation of…”
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Intramolecular hydrogen bonds in the sulfonamide derivatives of oxamide, dithiooxamide, and biuret. FT-IR and DFT study, AIM and NBO analysis by Shainyan, B.A., Chipanina, N.N., Aksamentova, T.N., Oznobikhina, L.P., Rosentsveig, G.N., Rosentsveig, I.B.

“…The hydrogen bonding in [(1-arylsulfonylamino-2,2,2-trichloro)ethyl]biuret 1, [(1-arylsulfonylamino-2,2,2-trichloro)ethyl]oxamide 2, and…”
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Hydrogen Bound Self-Associates of N-(6-Bromocyclohex-3-en-1-yl)- and N-(7-Bromobicyclo[2.2.1]hept-2-yl)-N′-(triflyl)ethanimidamide by Oznobikhina, L. P., Chipanina, N. N., Sterkhova, I. V., Astakhova, V. V., Moskalik, M. Yu, Shainyan, B. A.

“…The supramolecular structure of N -(6-bromocyclohex-3-en-1-yl)- and N -(7-bromobicyclo[2.2.1]hept-2-yl)- N ′-(triflyl)ethanimidamide has been analyzed…”
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(Chloromethyl)alkoxyhalogenosilanes in Reaction with N-Trimethylsilyl-N-methylacetamide by Lazareva, N. F., Chipanina, N. N., Soldatenko, A. S., Oznobikhina, L. P.

“…The reaction of N -trimethylsilyl- N -methylacetamide with polyfunctional silanes, namely methyl(chloromethyl)alkoxychlorosilanes and…”
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Intramolecular hydrogen bond in the push–pull CF3-aminoenones: DFT and FTIR study, NBO analysis by Chipanina, N.N., Oznobikhina, L.P., Aksamentova, T.N., Romanov, A.R., Rulev, A.Yu

“…Postulated conformers of trifluoromethylated β-aminoenones stabilized by intramolecular NH⋯O and N⋯HO bonds were studied by IR and NMR spectroscopy and…”
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Theoretical Analysis of the Reactivity of N-[2-Bromo-2-(trimethylsilyl)ethyl]sulfonamides and Their Self-Association by Oznobikhina, L. P., Chipanina, N. N., Astakhova, V. V., Moskalik, M. Yu, Shainyan, B. A.

“…A theoretical analysis of the reasons for the previously shown experimentally different reactivity of [2-bromo-2-(trimethylsilyl)ethyl]sulfonamides in…”
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Electron and Proton Donating Ability of the Pyrrolyl and Diazolyl Derivatives of Cycloalkanones by Chipanina, N. N., Oznobikhina, L. P., Sigalov, M. V., Serykh, V. Yu, Shainyan, B. A.

“…To assess the donor-acceptor properties of the basic and acidic sites in pyrrolyl and diazolyl derivatives of cycloalkanones, the energies and the shapes of…”
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Tautomerism of N-(2-Bromo-3-ethoxypropyl)-Nʹ-trifluoromethylsulfonylacetamidine by Shainyan, B. A., Chipanina, N. N., Oznobikhina, L. P., Ganin, A. S.

“…Depending on the solvent nature, N ( N ′)-(2-bromo-3-ethoxypropyl)- N ′( N )-(trifluoromethylsulfonyl)ethaneimidamide exists in two tautomeric forms:…”
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The basicity of sulfonamides and carboxamides. Theoretical and experimental analysis and effect of fluorinated substituent by Shainyan, Bagrat. A., Chipanina, Nina. N., Oznobikhina, Larisa. P.

“…The basicity of a series of sulfonamides and carboxamides with respect to protonation and hydrogen‐bonded complex formation with phenol was investigated by…”
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Basicity of the polydentate captodative aminoenones. Ab initio, DFT, and FTIR study by Kondrashov, E. V., Oznobikhina, L. P., Aksamentova, T. N., Chipanina, N. N., Romanov, A. R., Rulev, A. Yu

“…Electron donating ability of the oxygen, nitrogen, and carbon atoms of captodative aminoenones R'CH = C(NR2)EWG, EWG = CHO, C(O)Me, C(O)CF3, C(O)Ph was…”
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The structure and proton affinity of N-benzyl-N-(allenyl)trifluoromethanesulfonamide: FT-IR, DFT and ab initio study, NBO analysis by Shainyan, B. A., Chipanina, N. N., Oznobikhina, L. P., Danilevich, Yu. S.

“…The first N‐allenyl derivative of trifluoromethanesulfonamide, N‐benzyl‐N‐(allenyl)trifluoromethanesulfonamide (1), was studied experimentally by the FT‐IR…”
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Hydrogen-bonded complexes of sulfonamides and thioamides with DMF: FT-IR and DFT study, NBO analysis by Shainyan, B. A., Chipanina, N. N., Oznobikhina, L. P., Chernysheva, G. N., Rozentsveig, I. B.

“…The structure of H‐complexes of dimethylformamide (DMF) with N‐(2,2,2‐trichloro‐1‐hydroxyethyl)‐p‐toluenesulfonamide (1),…”
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The Rivalry between Intramolecular Tetrel Bonds and Intermolecular Hydrogen Bonds in (O-Si) Chelates of N-Silylmethylamides and -ureas. A Theoretical Study by Chipanina, Nina N, Shainyan, Bagrat A, Oznobikhina, Larisa P, Lazareva, Nataliya F

“…The comparison of the results of theoretical calculations of (O-Si) chelates of N-silylmethylated amides and ureas with the axial chlorine or fluorine atom at…”
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Halogenation of Electron‐Deficient Vicinal Substituted Alkenes: Regio‐ and Stereoselectivity by Zubkov, Ilya N., Ushakov, Igor A., Chipanina, Nina N., Rulev, Alexander Yu

“…The halogenation of electron‐deficient vicinal substituted alkenes leads mainly to the mixture of regio‐ and stereoisomers of monohalogenated derivatives…”
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Supramolecular Structure of Sulfonamide-Substituted Silatranes: Quantum Chemical DFT Calculations by Chipanina, Nina N., Adamovich, Sergey N., Nalibayeva, Arailym M., Abdikalykov, Yerlan N., Oznobikhina, Larisa P., Oborina, Elizaveta N., Rozentsveig, Igor B.

“…The supramolecular structure of the crystal products–N-[2-chloro-2-(silatranyl)ethyl]-4-nitro-benzenesulfonamide 4d and…”
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Tetrel Bonding along the Pathways of Transsilylation and Alkylation of N‑Trimethylsilyl‑N‑methylacetamide with Bifunctional (Chloromethyl)fluorosilanes by Chipanina, Nina N, Lazareva, Nataliya F, Oznobikhina, Larisa P, Shainyan, Bagrat A

“…A quantum chemical study has been carried out on the complexes formed in the first stage of the reaction of (chloromethyl)­trifluorosilane with an ambident…”
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Structure of bis(trifluoromethanesulfonyl)imide in inert and protophilic media by Chipanina, N. N., Sterkhova, I. V., Aksamentova, T. N., Sherstyannikova, L. V., Kukhareva, V. A., Shainyan, B. A.

“…According to the data of IR spectroscopy, dielectrometry, and HF/6-31G**, B3LYP/6-311G** quantum chemical calculations bis(trifluoromethanesulfonyl)imide (CF 3…”
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Supramolecular structure and isomeric transformations of N-t-butyl-N′-trifluoromethanesulfonacetamidine by Shainyan, Bagrat A., Chipanina, Nina N., Oznobikhina, Larisa P., Sterkhova, Irina V., Astakhova, Vera V., Moskalik, Mikhail Yu

“…X-ray molecular and supramolecular structure were analyzed for N - t -Bu- N ′-(triflyl)acetamidine t -BuNHC(Me) = NTf 1 and compared to that of…”
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