Spatial structure, thermodynamics and kinetics of formation of hydrazones derived from pyridoxal 5′-phosphate and 2-furoic, thiophene-2-carboxylic hydrazides in solution
G A Gamov
1
,
K. V. Belov
2, 3
,
T R Usacheva
1
,
Ilya A. Khodov
3, 4
,
A N Kiselev
3
,
V A Sharnin
1
Publication type: Journal Article
Publication date: 2019-06-01
scimago Q1
wos Q1
SJR: 0.935
CiteScore: 10.5
Impact factor: 5.2
ISSN: 01677322, 18733166
Materials Chemistry
Electronic, Optical and Magnetic Materials
Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Abstract
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 experiment. The hydrazones could exist as a mixture of different conformers; however, the specific ones could be suggested from experimental and calculated data. The stability constants of hydrazones at pH of 1.9; 6.6; 7.0; 7.4 were determined using UV–Vis spectroscopy. Rate constants of the hydrazone formation and hydrolysis reaction within the range of 6.6–7.4 pH were obtained. Isothermal calorimetric titration was performed in order to determine the change in the free Gibbs energy, enthalpy and entropy of hydrazones formation at pH of 6.6. Hydrazones were synthesized and characterized by means of 1H, 13C, 31P NMR, IR, UV–Vis, fluorescent, MS-spectroscopy as well as DSC and elemental analysis.
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Total citations:
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Citations from 2024:
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(18%)
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GOST
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Gamov G. A. et al. Spatial structure, thermodynamics and kinetics of formation of hydrazones derived from pyridoxal 5′-phosphate and 2-furoic, thiophene-2-carboxylic hydrazides in solution // Journal of Molecular Liquids. 2019. Vol. 283. pp. 825-833.
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Gamov G. A., Belov K. V., Usacheva T. R., Khodov I. A., Zavalishin M. N., Kiselev A. N., Sharnin V. A. Spatial structure, thermodynamics and kinetics of formation of hydrazones derived from pyridoxal 5′-phosphate and 2-furoic, thiophene-2-carboxylic hydrazides in solution // Journal of Molecular Liquids. 2019. Vol. 283. pp. 825-833.
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TY - JOUR
DO - 10.1016/j.molliq.2019.03.125
UR - https://linkinghub.elsevier.com/retrieve/pii/S0167732218355016
TI - Spatial structure, thermodynamics and kinetics of formation of hydrazones derived from pyridoxal 5′-phosphate and 2-furoic, thiophene-2-carboxylic hydrazides in solution
T2 - Journal of Molecular Liquids
AU - Gamov, G A
AU - Belov, K. V.
AU - Usacheva, T R
AU - Khodov, Ilya A.
AU - Zavalishin, Maksim N
AU - Kiselev, A N
AU - Sharnin, V A
PY - 2019
DA - 2019/06/01
PB - Elsevier
SP - 825-833
VL - 283
SN - 0167-7322
SN - 1873-3166
ER -
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BibTex (up to 50 authors)
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@article{2019_Gamov,
author = {G A Gamov and K. V. Belov and T R Usacheva and Ilya A. Khodov and Maksim N Zavalishin and A N Kiselev and V A Sharnin},
title = {Spatial structure, thermodynamics and kinetics of formation of hydrazones derived from pyridoxal 5′-phosphate and 2-furoic, thiophene-2-carboxylic hydrazides in solution},
journal = {Journal of Molecular Liquids},
year = {2019},
volume = {283},
publisher = {Elsevier},
month = {jun},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0167732218355016},
pages = {825--833},
doi = {10.1016/j.molliq.2019.03.125}
}
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