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1.
Инвентарный номер: нет.
   

   
    1,2,4-Triazine method of bipyridine ligand synthesis for the preparation of new luminescent Eu(III) complexes [Text] / A. M. Prokhorov, V. N. Kozhevnikov, D. S. Kopchuk, D. N. Kozhevnikov // Tetrahedron. - 2011. - Vol. 67, № 3. - P597-607
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The ‘triazine’ methodology for the synthesis of functionalised bipyridine ligands proved to be a convenient method for the preparation of luminescent Eu(III) complexes. The approach allows flexible construction of chromophore and coordination sphere with control of photophysical properties. Europium (III) complexes [Eu1]-[Eu5] prepared in this way exhibit intense long-life metal-centered luminescence in aqueous media. The aromatic substituent in the position 5 of bipyridine has a significant influence on luminescence parameters and is used to introduce functionality for bioconjugation. The complexes [Eu4] and [Eu5] bearing primary amine groups are ready-to-go luminescent ‘tags’ for peptide labeling

\\\\Expert2\\nbo\\Tetrahedron\\2011, v. 67, p. 597.pdf
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2.
Инвентарный номер: нет.
   
   A 62

   
    Antiviral properties, metabolism, and pharmacokinetics of a novel azolo-1,2,4-triazine-derived inhibitor of influenza A and B virus replication [Электронный ресурс] / I. L. Karpenko, S. L. Deev, O. I. Kiselev, V. N. Charushin, V. L. Rusinov, E. N. Ulomskii, E. G. Deeva, M. K. Kukhanova // Antimicrobial Agents and Chemotherapy . - 2010. - Vol.54, №5. - P2017-2022
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ANIMAL CELL -- ANIMAL EXPERIMENT -- ANTIVIRAL ACTIVITY
Аннотация: Influenza viruses of types A and B cause periodic pandemics in the human population. The antiviral drugs approved to combat influenza virus infections are currently limited. We have investigated an effective novel inhibitor of human influenza A and B viruses, triazavirine {2-methylthio-6-nitro-1,2,4- triazolo[5,1-c]-1,2,4-triazine-7(4Í)-one} (TZV). TZV suppressed the replication of influenza virus in cell culture and in chicken chorioallantoic membranes, and it protected mice from death caused by type A and B influenza viruses. TZV was also effective against a rimantadine-resistant influenza virus strain and against avian influenza A virus H5N1 strains. The pharmacokinetic parameters and bioavailability of TZV were calculated after the administration of TZV to rabbits. The TZV metabolite AMTZV {2-methylthio-6-amino-1,2,4- triazolo[5,1-s]-1,2,4-triazin(e)-7(4Í)-one} was discovered inÍÅK 293T and Huh7 cell cultures, a liver homogenate, and rabbit blood after intragastric administration of TZV. AMTZV was nontoxic and inactive as an inhibitor of influenza virus in cell culture. Most likely, this metabolite is a product of TZV elimination

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3.
Инвентарный номер: нет.
   
   A 62

   
    Antiviral Properties, Metabolism, and Pharmacokinetics of a Novel Azolo-1,2,4-Triazine-Derived Inhibitor of Influenza A and B Virus Replication [Text] / I. L. Karpenko, S. L. Deev, O. I. Kiselev, V. N. Charushin, V. L. Rusinov, E. N. Ulomskii, E. G. Deeva, O. N. Chupakhin // Antimicrobial Agents and Chemotherapy. - 2010. - Vol. 54, № 5. - P2017-2022
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Influenza viruses of types A and B cause periodic pandemics in the human population. The antiviral drugs approved to combat influenza virus infections are currently limited. We have investigated an effective novel inhibitor of human influenza A and B viruses, triazavirine {2-methylthio-6-nitro-1,2,4-triazolo[5,1-c]-1,2,4-triazine-7(4I)-one} (TZV). TZV suppressed the replication of influenza virus in cell culture and in chicken chorioallantoic membranes, and it protected mice from death caused by type A and B influenza viruses. TZV was also effective against a rimantadine-resistant influenza virus strain and against avian influenza A virus H5N1 strains. The pharmacokinetic parameters and bioavailability of TZV were calculated after the administration of TZV to rabbits. The TZV metabolite AMTZV {2-methylthio-6-amino-1,2,4-triazolo[5,1-s]-1,2,4-triazin(e)-7(4I)-one} was discovered in IAK 293T and Huh7 cell cultures, a liver homogenate, and rabbit blood after intragastric administration of TZV. AMTZV was nontoxic and inactive as an inhibitor of influenza virus in cell culture. Most likely, this metabolite is a product of TZV elimination

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4.
Инвентарный номер: нет.
   
   C 45

   
    Changes in the vibrational characteristics of substituted 1,2,4,5-tetrazines after complexation with 1,2,3-benzotriazole: A theoretical study [Electronic resource] / N. N. Ivshina, E. V. Bartashevich, V. A. Potemkin, M. A. Grishina, R. I. Ishmetova, G. L. Rusinov, N. I. Latosh, P. A. Slepukhin, V. N. Charushin // Journal of Structural Chemistry. - 2009. - Vol. 50, № 6. - P1053-1058
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The complexation of 3,6-substituted 1,2,4,5-tetrazines with benzotriazole was studied theoretically based on the vibrational spectra. For model complexes, the energy was minimized by the geometrical parameters, and the spectral characteristics were calculated by the PM3 method. The shift of the bond vibration frequencies of the atoms involved in complexation after the formation of different various intermolecular contacts was determined. This made it possible to determine the type of intermolecular interaction and suggest the structures of the complexes

\\\\Expert2\\nbo\\Journal of Structural Chemistry\\2009, V. 50, N 6, p.1053.pdf
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5.
Инвентарный номер: нет.
   
   C 65

   
    Cobalt-containing catalytic systems alloyed with rare and rare-earth metals as catalysts for synthesis of hydrocarbons from CO and H2 [Electronic resource] / A. S. Seleznev, L. A. Petrov, O. N. Chupakhin, V. I. Kononenko, I. A. Chupova, A. V. Ryabina // Russian Journal of Applied Chemistry. - 2009. - Vol. 82, № 5. - P820-825
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: To improve cobalt-containing catalytic systems for synthesis of hydrocarbons from carbon monoxide and hydrogen (Fischer-Tropsch synthesis), supports based on ultradispersed alloys of aluminum with rare and rare-earth metals (G, Ce, Sm) were obtained and studied. The catalytic activity parameters of the new catalysts were determined

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2009, v. 82, N 5, p.820.pdf
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6.
Инвентарный номер: нет.
   
   C 74

   
    Complexes of crown ethers with perfluorocarboxylic acids and their thermal decarboxylation [Electronic resource] / A. V. Podol'skii, T. G. Khonina, O. V. Koryakova, M. I. Kodess // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 1993. - Vol. 42, № 6. - P1052-1055
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Crown ethers form strong proton-acceptor complexes with CF3COOH or C4F9COOH that undergo thermal decarboxylation at 200–260 °C which results in 60–80% of CF3H or C4F9H (including up to 20 % of a mixture of C4F8). Critical parameters of the process were determined in relation to the temperature and amount of crown ether. The relative activities of different crown ethers in decarboxylation were also established. A scheme is proposed that explains the effect of the structure of crown ethers on this reaction. The data obtained substantiate the view that the topological correspondence concept is insufficient to explain the ability of crown ethers to form complexes with cat

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\1993, 42 (6), 1052.pdf
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7.
Инвентарный номер: нет.
   
   E 97

   
    Exchange Interactions in Cobalt(II) and Nickel(II) Complexes Containing M-4(mu(3)-OH)(2) Metal Cores with Distorted Rhombic Topology [Electronic resource] / A. Golberg, G. G. Aleksandrov, A. S. Bogomyakov, M. A. Kiskin, S. V. Kolotilov, I. A. Utepova, A. A. Sidorov, O. N. Chupakhin, I. L. Eremenko // Theoretical and Experimental Chemistry . - 2015. - Vol. 50, № 6. - С. 364-370. - Bibliogr. : p. 369-370 (21 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PENTANUCLEAR COMPLEX -- COBALT(II) -- TETRANUCLEAR COMPLEX
Аннотация: Antiferromagnetic interactions between the Co2+ or Ni2+ ions were found in complexes [(mu(3) aEuroaEuro parts per thousand L)(2)Co (5) (II) (mu aEuroaEuro parts per thousand OH)(2)(Piv)(7)(NO3)] and [(mu(3) aEuroaEuro parts per thousand L)(2)(HPiv)Ni (4) (II) (mu(3) aEuroaEuro parts per thousand OH)(2)(Piv)(4)(NO3)(2)] (Piv(-) = pivalic acid anion, L = 1,1'-dipyridazinylferrocene) possessing a metal core with distorted rhombic topology M-4(mu(3)-OH)(2). In contrast to the case of symmetrical analogs, the signs of all the exchange interaction parameters J were determined unambiguously.

\\\\expert2\\nbo\\Theoretical and Experimental Chemistry\\2015, V.50, № 6, p.364-370.pdf
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8.
Инвентарный номер: нет.
   

   
    Grafting of (3-chloropropyl)-trimethoxy silane on halloysite nanotubes surface / A. M. Abu El-Soad, G. Lazzara, A. V. Pestov [et al.] // Applied sciences. - 2021. - Vol. 11, № 12. - Ст. 5534
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
GRAFTING -- HALLOYSITE NANOTUBES -- CPTMS
Аннотация: Modified halloysite nanotubes (HNTs-Cl) were synthesized by a coupling reaction with (3-chloropropyl) trimethoxysilane (CPTMS). The incorporation of chloro-silane onto HNTs surface creates HNTs-Cl, which has great chemical activity and is considered a good candidate as an active site that reacts with other active molecules in order to create new materials with great applications in chemical engineering and nanotechnology. The value of this work lies in the fact that improving the degree of grafting of chloro-silane onto the HNT’s surface has been accomplished by incorporation of HNTs with CPTMS under different experimental conditions. Many parameters, such as the dispersing media, the molar ratio of HNTs/CPTMS/H2O, refluxing time, and the type of catalyst were studied. The greatest degree of grafting was accomplished by using toluene as a medium for the grafting process, with a molar ratio of HNTs/CPTMS/H2O of 1:1:3, and a refluxing time of 4 h. The addition of 7.169 mmol of triethylamine (Et3N) and 25.97 mmol of ammonium hydroxide (NH4OH) led to an increase in the degree of grafting of CPTMS onto the HNT’s surface.

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9.
Инвентарный номер: нет.
   
   H 85

   
    HPLC separation of 2-aryloxycarboxylic acid enantiomers on chiral stationary phases / A. A. Tumashov, S. A. Vakarov, L. S. Sadretdinova [et al.] // Russian chemical bulletin. - 2021. - Vol. 70, № 5. - P900-907
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The possibility for separating enantiomers of a number of practically significant 2-aryloxycarboxylic acids was studied by normal- and reversed-phase HPLC on popular chiral stationary phases. The best separation parameters were achieved on the chiral phases with the polysaccharide base Chiralcel OD-H and Chiralpack AD under the normal-phase HPLC conditions. The (S)- and (R)-enantiomers of 2-(1-naphthyloxy)- and 2-(2-iodophenoxy)propionic acids with enantiomeric excess ee 99% were isolated using preparative chiral HPLC.

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10.
Инвентарный номер: нет.
   
   K 66

    Kodess, M. I.
    A 19f decoupler for the tesla bs 587a nmr spectrometer [Text] / M. I. Kodess, V. S. Shaburov, S. N. Frolov // Instruments and Experimental Tehniques. - 1999. - Vol. 42, № 3. - P379-380
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A decoupling unit (decoupler) operating at a resonance frequency of 19F nuclei (75.26 MHz) is developed. The unit is a plug-in block intended for the Tesla BS 587A NMR spectrometer. It allows one to perform double resonance experiments involving 19F nuclei. Decoupler parameters are determined in the continuous wave and pulsed operation modes

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