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Browsing by Author "Berestovitskaya V."

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3-(4-N,N-dimethylaminophenyl)-2-nitro-1-phenylprop-2-en-1-one by <sup>13</sup>C NMR spectroscopy and X-ray diffraction analysis

Berestovitskaya V.; Baichurin R.; Islamov D.; Kataeva O.; Aboskalova N.; Trukhin E. (2016)

© 2016, Pleiades Publishing, Ltd.X-ray diffraction analysis established that 3-(4-N,N-dimethylaminophenyl)-2-nitro-1-phenylprop-2-en-1-one has E configuration both in crystal and in solution. The benzoyl group deviates ...
Conformational analysis of 2-substituted 1-nitro-and 1-bromo-1-nitroethenes

Ishmaeva E.; Gazizova A.; Vereshchagina Y.; Chachkov D.; Anisimova N.; Makarenko S.; Smirnov A.; Berestovitskaya V. (2007)

Conformational analysis of 2-trichloromethyl(ethoxycarbonyl)-1-nitro-and 2-trichloromethyl-(ethoxycarbonyl)-1-bromo-1-nitroethenes was performed using the dipole moment method, IR spectroscopy, and DFT quantum-chemical ...
Conformational analysis of 2-substituted nitroethenes

Vereshchagina Y.; Chachkov D.; Ishmaeva E.; Berestovitskaya V. (2011)

Experimental and theoretical conformational analysis of polyfunctional 2-substituted nitroethenes was carried out by the method of dipole moments and density functional theory calculations. It was established that the nitro ...
Dipole moments and quantum chemical study of the structure of furan-containing gem-bromonitroethenes

Vereshchagina Y.; Chachkov D.; Khanafieva R.; Alimova A.; Berestovitskaya V.; Makarenko S.; Eliseenko S. (2015)

© 2015 Pleiades Publishing, Ltd. As shown by the dipole moment method and quantum chemical calculations, 1-(furan-2-yl)-2-nitroethene and 1-nitro-2-(5-nitrofuran-2-yl)ethenes exist in solution as E-s-trans isomers while ...
Fourier transform IR spectra and structure of 2-substituted 1-nitro- and 1-bromo-1-nitroethenes

Gazizova A.; Shagidullin R.; Chernova A.; Vereshchagina Y.; Chachkov D.; Ishmaeva E.; Berestovitskaya V. (2007)

Molecular structure and vibrational spectra of 2- trichloromethyl(ethoxycarbonyl)-1-nitroethenes and 2- trichloromethyl(ethoxycarbonyl)-1-bromo-1-nitroethenes were calculated in terms of the density functional theory ...
Polarity and structure of 2-(1-methylbenzimidazol-2-yl)-1-phenyl- and -1,2-diphenyl-1-nitroethenes

Ishmaeva E.; Vereshchagina Y.; Chachkov D.; Vasil'Eva O.; Ostroglyadov E.; Nikonorov A.; Litvinov I.; Krivolapov D.; Alimova A.; Berestovitskaya V. (2012)

Polarity of 2-(1-methylbenzimidazol-2-yl)-1-phenyl- and -1,2-diphenyl-1-nitroethenes was determined and their structure was studied using electronic and 1H, 13C NMR spectroscopy, dipole moments measuring, XRD analysis, and ...
Polarity and structure of α-nitrocinnamic acid esters

Vereshchagina Y.; Alimova A.; Chachkov D.; Ishmaeva E.; Baichurin R.; Berestovitskaya V. (2013)

Polarity and structure of ethyl α-nitrocinnamates have been studied by means of dipole moments method and quantum-chemical calculations. These compounds exist in the form of Z-isomers in solution, that is, nitro group and ...
Structure of alkyl 2,3-dibromo-3-nitroacrylates in solution

Ishmaeva E.; Vereshchagina Y.; Chachkov D.; Makarenko S.; Kovalenko K.; Berestovitskaya V. (2010)

The structure of the new representatives of polyfunctional bromonitroalkenes, alkyl 2,3-dibromo-3-nitroacrylates, was examined by means of dipole moments, [B3LYP/6-31G(d)] quantum-chemical methods, and IR spectroscopy. ...
Study of the structure of 1-nitro-3,3,3-trifluoro- and 1-nitro-3,3,3-tribromopropenes by the methods of dipole moments and quantum chemistry

Vereshchagina Y.; Alimova A.; Chachkov D.; Ishmaeva E.; Slobodchikova E.; Berestovitskaya V. (2014)

© 2014 Pleiades Publishing, Ltd. Method of dipole moments and quantum-chemical calculations allowed establishing that 1-nitro-3,3,3-trifluoro- and 1-nitro-3,3,3-tribromopropenes have the E-configuration (the nitro group ...
Synthesis and structure of 1-bromo-1-nitro-2-piperidino-(cyclohexylamino)-2-phenylethenes

Ishmaeva E.; Berestovitskaya V.; Litvinov I.; Vereshchagina Y.; Yarkova E.; Fattakhova G.; Krivolapov D.; Makarenko S.; Trukhin E.; Pavlova I. (2001)

A preparation method was developed for new representatives of halonitroenamines, 1-bromo-1-nitro-2-piperidino(cyclohexylamino)-2-phenylethenes. Both molecules possess E configuration and are of high polarity.
Theoretical conformational analysis of substituted nitroethenes in solution

Chachkov D.; Gazizova A.; Vereshchagina Y.; Ishmaeva E.; Berestovitskaya V. (2008)

Theoretical conformational analysis of 1-nitro- and 1-bromo-1-nitro-2- (trichloromethyl)ethenes dissolved in methylene chloride and benzene was carried out by the B3LYP/6-31G*method. The calculated structures of these ...

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Browsing by Author "Berestovitskaya V."

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