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Browsing by Author "Khodov I."

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Accuracy of determination of self-diffusion coefficients in studies of porphyrin-based complexes by 2D DOSY

Khodov I. (2017)

© ISUCT Publishing. Influence of chemical exchange processes on the accuracy of determination of self-diffusion complexes of porphyrinnickel complexes was shown. A method of estimating the inaccuracy of the self-diffusion ...
Comment on "conformational analysis of small organic molecules using NOE and RDC data: A discussion of strychnine and α-methylene-γ-butyrolactone"

Khodov I.; Kiselev M.; Efimov S.; Klochkov V. (2016)
Detailed NOESY/T-ROESY analysis as an effective method for eliminating spin diffusion from 2D NOE spectra of small flexible molecules

Efimov S.; Khodov I.; Ratkova E.; Kiselev M.; Berger S.; Klochkov V. (2016)

© 2015 Elsevier B.V. An intriguing property of the multistep magnetization transfer, so-called spin diffusion, is that it can affect the results of NMR-based analysis of conformer distribution of small molecules in solution. ...
Determination of preferred conformations of ibuprofen in chloroform by 2D NOE spectroscopy

Khodov I.; Efimov S.; Klochkov V.; Alper G.; Batista De Carvalho L. (2014)

© 2014 Elsevier B.V. All rights reserved. Solution of an anti-inflammatory drug ibuprofen ((RS)-2-(4-isobutylphenyl) propionic acid) in chloroform was studied by nuclear magnetic resonance spectroscopy. A set of 2D NOESY ...
Determination of preferred conformations of mefenamic acid in DMSO by NMR spectroscopy and GIAO calculation

Khodov I.; Belov K.; Efimov S.; De Carvalho L. (2019)

© 2019 Author(s). The paper is dedicated to preferred conformations of mefenamic acid in DMSO. A complex approach based on NME experiments and GIAO quantum chemical calculations was applied to reveal the dominant conformation ...
Erratum: The importance of suppressing spin diffusion effects in the accurate determination of the spatial structure of a flexible molecule by nuclear Overhauser effect spectroscopy (Journal of Molecular Structure (2016) 1106 (373-381))

Khodov I.; Efimov S.; Kiselev M.; Batista De Carvalho L.; Klochkov V. (2016)
Exposing Hidden Conformations of Carbamazepine Appearing Due to Interaction With the Solid Phase by 2D 1H-15N HMBC NMR Spectroscopy

Khodov I.; Efimov S.; Krestyaninov M.; Kiselev M. (2021)

Two-dimensional 1H-15N HMBC NMR spectra of the well-known anticonvulsant carbamazepine dissolved in different organic solvents, recorded on an NMR spectrometer prove the existence of hidden conformers in saturated solutions. ...
High-pressure NMR spectroscopy in studies of the conformational composition of small molecules in supercritical carbon dioxide

Khodov I.; Dyshin A.; Efimov S.; Ivlev D.; Kiselev M. (2020)

© 2020 Elsevier B.V. An experimental approach in conducting NMR measurements at supercritical parameters of state is discussed. A novel design of the high-pressure NMR cell was developed which allowed eliminating the field ...
Hybrid multi-porphyrin supramolecular assemblies: Synthesis and structure elucidation by 2D DOSY NMR studies

Khodov I.; Alper G.; Mamardashvili G.; Mamardashvili N. (2015)

© 2015 Elsevier B.V. All rights reserved. Design and synthesis of hybrid multi-metalloporphyrin assembles have been performed. The chemical structure of the synthesized complexes and their stability in solution were confirmed ...
Inversion of population distribution of felodipine conformations at increased concentration in dimethyl sulfoxide is a prerequisite to crystal nucleation

Khodov I.; Efimov S.; Nikiforov M.; Klochkov V.; Georgi N. (2014)

Knowledge of the preferred conformations of biologically active compounds is of the utmost importance for a better understanding of the structure-activity relationships underlying their biological activity, as well as their ...
Luminescent properties of new 2,2-, 2,3- and 3,3-CH <inf>2</inf> -bis(BODIPY)s dyes: Structural and solvation effects

Antina L.; Ksenofontov A.; Kalyagin A.; Antina E.; Berezin M.; Khodov I. (2019)

© 2019 Elsevier B.V. In this paper the synthesis and spectral properties of three new dimeric bis(BODIPY)s with two indacene domains connected by a methylene (–CH 2 –) spacer at 2,2-, 2,3- or 3,3- positions were reported. ...
Medium viscosity effect on fluorescent properties of Sn(IV)-tetra(4-sulfonatophenyl)porphyrin complexes in buffer solutions

Mamardashvili G.; Maltceva O.; Lazovskiy D.; Khodov I.; Borovkov V.; Mamardashvili N.; Koifman O. (2019)

© 2019 Elsevier B.V. Supramolecular triads consisting of hydrophilic Sn(IV)-tetra(4-sulfophenyl)-porphyrin and two axial guests such as propylphenol, tyrosine, and 2-(2-hydroxyphenyl)-benzoxazole were synthesized. The ...
Molecular recognition of nitrogen–containing bases by Zn[5,15-bis-(2,6-dodecyloxyphenyl)]porphyrin

Maltceva O.; Mamardashvili G.; Khodov I.; Lazovskiy D.; Khodova V.; Krest’yaninov M.; Mamardashvili N.; Dehaen W. (2017)

© 2016 Informa UK Limited, trading as Taylor & Francis Group.By means of spectrophotometric titration and 1H NMR spectroscopy, the selective binding ability of the Zn-5,15-bis-(2,6-dodecyloxyphenyl)porphyrin towards nitrogen ...
N-Confused porphyrins: Complexation and1H NMR studies

Khodov I.; Maltceva O.; Klochkov V.; Koifman O.; Mamardashvili N. (2017)

© 2017 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique. The complexation of 2-aza-21-carba-tetraphenylporphyrin and 2-aza-2-methyl-5,10,15,20-tetraphenyl-21-carbaporphyrin with nickel ...
Novel BODIPY-conjugated amino acids: Synthesis and spectral properties

Ksenofontova K.; Ksenofontov A.; Khodov I.; Rumyantsev E. (2019)

© 2019 Elsevier B.V. Three BODIPY-based conjugates with lysine, methionine, and tryptophan bound via amino group were synthesized and characterized. Spectral properties of the compounds were studied and a number of ...
Novel fluorescent sensors based on zinc(II) bis(dipyrromethenate)s for furosemide detection in organic media

Ksenofontov A.; Stupikova S.; Bocharov P.; Lukanov M.; Ksenofontova K.; Khodov I.; Antina E. (2019)

© 2019 Elsevier B.V. In this paper, the sensitivity of new fluorescent sensors based on zinc(II) bis(dipyrromethenate)s ([Zn2L2]s) to the furosemide presence in organic media is described. It has been shown that the ...
Novel non-covalent supramolecular systems based on zinc(II) bis(dipyrromethenate)s with fullerenes

Ksenofontov A.; Bichan N.; Khodov I.; Antina E.; Berezin M.; Vyugin A. (2018)

© 2018 Elsevier B.V. This paper presents the results of UV/vis, fluorescence, FT-IR, DOSY, and DFT study of a novel non-covalent supramolecular systems based on zinc(II) bis(dipyrromethenate)s ([Zn2L2]) with C60. It was ...
Spatial structure of felodipine dissolved in DMSO by 1D NOE and 2D NOESY NMR spectroscopy

Khodov I.; Nikiforov M.; Alper G.; Blokhin D.; Efimov S.; Klochkov V.; Georgi N. (2013)

Small organic molecules in dissolved state exist as an ensemble of conformers. In this work conformation of felodipine in dimethyl sulphoxide was studied and dominant stable conformers were determined. Effective interatomic ...
Spatial structure, thermodynamics and kinetics of formation of hydrazones derived from pyridoxal 5′-phosphate and 2-furoic, thiophene-2-carboxylic hydrazides in solution

Gamov G.; Khodov I.; Belov K.; Zavalishin M.; Kiselev A.; Usacheva T.; Sharnin V. (2019)

© 2019 Elsevier B.V. The spatial structure of pyridoxal 5′-phosphate hydrazones of 2-furoic hydrazide; thiophene-2-carboxylic hydrazide in aqueous solution was studied by means of quantum chemical calculations and NOE ...
Structural and textural properties of pillared montmorillonite at intercalation of large Al- and Al/Ce-polyhydroxocomplexes

Butman M.; Belozerov A.; Karasev N.; Kochkina N.; Khodov I.; Ovchinnikov N. (2015)

© 2015, Pleiades Publishing, Ltd. The possibility of adjusting the separation of silicate layers in montmorillonite in a broad range of basal distances d001 (1.3–2.4 nm) at the intercalation of large (0.7–1.8 nm) ...

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Browsing by Author "Khodov I."

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