Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Roman S. Kumeev"'
Autor:
Ekaterina N. Tarakanova, Pavel A. Stuzhin, Sergey E. Nefedov, Pavel A. Tarakanov, Roman S. Kumeev
Publikováno v:
Journal of Porphyrins and Phthalocyanines. 25:1203-1211
Novel MgII porphyrazine 3 bearing four appended seven-membered tert-butyl substituted 1,4-diazepine rings was prepared via Linstead macrocyclization of 5,7-di-tert-butyl-6[Formula: see text]-1,4-diazepine-2,3-dicarbonitrile 2, obtained by condensatio
Publikováno v:
Russian Journal of Physical Chemistry A. 93:401-406
The formation of mixed ligand complexes in HgEdta2−–L systems (L = Asp2−, Glu2−, Ida2−, Nta3−, and Edta4−) is studied via calorimetry, pH-metry, and NMR spectroscopy. The thermodynamic parameters (log K, ΔrG°, ΔrH, ΔrS) of complexat
Publikováno v:
Journal of Molecular Liquids. 274:770-777
Solubilization of the disease modifying antirheumatic drugs (methotrexate, leflunomide and sulfasalazine) in micelles of amphiphilic triblock copolymer Pluronic F127 was studied in buffers with physiological pH. The solubilization follows the order l
Autor:
Ekaterina N. Domanina, Tatyana V. Volkova, Roman S. Kumeev, Alexey N. Proshin, Irina V. Terekhova
Publikováno v:
Journal of Molecular Liquids. 269:492-500
Solubility and permeability are the main parameters determining the bioavailability of drugs. In this study the increased solubility of novel 1,2,4-thiadiazole derivative (TDZ) proposed for the prevention and treatment of Alzheimer's disease was achi
Autor:
Irina V. Terekhova, Iliya Kritskiy, Roman S. Kumeev, Mikhail Agafonov, Horacio Pérez-Sánchez, Carlos Martínez-Cortés
Publikováno v:
International Journal of Molecular Sciences
Volume 21
Issue 23
International Journal of Molecular Sciences, Vol 21, Iss 9102, p 9102 (2020)
Volume 21
Issue 23
International Journal of Molecular Sciences, Vol 21, Iss 9102, p 9102 (2020)
The selectivity of encapsulation of leflunomide and teriflunomide by native &alpha
&beta
and &gamma
cyclodextrins was investigated through 1H NMR and molecular modeling. Thermodynamic analysis revealed the main driving forces involved
&beta
and &gamma
cyclodextrins was investigated through 1H NMR and molecular modeling. Thermodynamic analysis revealed the main driving forces involved
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:682-686
Complexation reactions of 5,10,15,20-tetraphenyltetrabenzoporphyrin and transmetallation of its cadmium complex with nickel(II) acetate, Ni(II), Pd(II), and Pt(II) chlorides in dimethylformamide and phenol have been studied. The corresponding Ni(II),
Autor:
Roman S. Kumeev, T. A. Simagina, Dmitrii Pyreu, Matvey S. Gruzdev, E. S. Alekseeva, S. N. Gridchin
Publikováno v:
Russian Journal of Inorganic Chemistry. 63:180-190
The formation of mixed-ligand complexes in the M(II)–Nta and Ida–L systems (M = Co, Zn; L = His, Orn, Lys, Gly, Im, en), where Ida and Nta are the residues of iminodiacetic and nitrilotriacetic acids, was studied by pH-metry, calorimetry, and NMR
Autor:
Natalya Kutyasheva, Irina V. Terekhova, M. K. Grachev, Iliya Kritskiy, Roman S. Kumeev, Tatyana Volkova, D. A. Shipilov
Publikováno v:
New Journal of Chemistry. 42:14559-14567
The difference in the complexation affinity of methotrexate (MTX) to the naturally occurring α-, β- and γ-cyclodextrins (CDs) as well as to the novel synthetic dimeric and polymeric β-cyclodextrins was revealed. The effect of CD structure complic
Publikováno v:
Russian Journal of Physical Chemistry A. 92:75-78
The self-diffusion coefficients of acetone and chloroform in a binary acetone–chloroform mixture at 298 K are determined via pulsed field gradient NMR spectroscopy. It is estimated that the hydrodynamic radii of the mixture’s components, calculat
Autor:
D. L. Gurina, G. A. Al’per, Vladimir A. Durov, Vasiliy A. Golubev, Roman S. Kumeev, Mikhail Y. Nikiforov
Publikováno v:
Journal of Molecular Liquids. 241:922-925
The self-diffusion of caffeine and methanol in the ternary mixtures methanol–carbon tetrachloride (binary solvent)–caffeine (solute) have been investigated by the pulsed gradient spin-echo nuclear magnetic resonance (PGSE NMR) method at the tempe