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 Найдено в других БД:Каталог книг и продолжающихся изданий (2)Публикации Чарушина В.Н. (27)
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Общее количество найденных документов : 89
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1.
Инвентарный номер: нет.
   

   
    New nido-carborane-containing conjugates of purine: synthesis and antiviral activity / D. A. Gruzdev, A. A. Telegina, V. A. Ol’shevskaya [et al.] // Russian chemical bulletin. - 2022. - Vol. 71, № 11. - P2375-2382
Рубрики: ЗДРАВООХРАНЕНИЕ. МЕДИЦИНСКИЕ НАУКИ
   ХИМИЧЕСКИЕ НАУКИ
Аннотация: New purine derivatives containing a nido-carborane fragment were synthesized by nucleophilic substitution of chlorine atom in 6-chloropurine and 2-amino-6-chloropurine under the action of nido-carborane-containing amines. Compounds with significant activity against the acyclovir-resistant strain of herpes simplex virus type 1, as well as with moderate activity against influenza viruses A and B, were discovered for the first time among the synthesized nido-carboranyl derivatives of purine.

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2.
Инвентарный номер: нет.
   

    Gorbunova, T. I.
    Features of the reactions of available polyfluoroalkyloxiranes with amines and tribological properties of the obtained compounds / T. I. Gorbunova, V. I. Saloutin // Russian Journal of General Chemistry. - 2022. - Т. 92, № 6. - P990-995
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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3.
Инвентарный номер: нет.
   

   
    Esters of polyfluorosalicylic acids in reactions with amines / E. V. Shchegolkov, I. V. Shchur, Y. V. Burgart, V. I. Saloutin // AIP conference proceedings. - 2022. - Vol. 2390. - Ст. 020078
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHEMICAL COMPOUNDS
Аннотация: The reactions of alkyl tri-and tetrafluorosalicylates with diethylamine led to formation of the stable salts regardless of the conditions. Therein, ethyl esters were undergone dealkylation leading to formation of diethylammonium carboxylates. Methyl tetrafluorosalicylate was subject to similar transformations, while trifluoro-containing analog gave salt at the hydroxyl group and in which ester fragment was remained.

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4.
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    Stereoselective synthesis of dihydropyrimidinethione podand in the presence of L-proline or 4-hydroxy-L-proline and metal nitrates / E. S. Filatova, O. V. Fedorova, I. G. Ovchinnikova [et al.] // Russian chemical bulletin. - 2022. - Vol. 71, № 7. - P1506-1513
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The asymmetric Biginelli reaction involving a 3-oxobutanoyl-containing podand, benzaldehyde, and thiourea was studied using secondary amines as a chiral inductor, Brönsted acid as a catalyst, and metal salts (especially metal nitrates) as an additive of asymmetric catalysis (AAC) was studied. The tuberculostatically active dihydropyrimidine-thione-containing podand was synthesized with an enantiomeric excess of 57% in the presence of 4-hydroxy-L-proline. In the presence of metal nitrates, the influence of the ionic radius of the cation on the enantioselective excess of the reaction under study was observed, which made it possible to propose a possible mechanism of chiral induction controlled by the complexing ability of the initial β-ketoester-containing podand with metal ions and coordination of the reagents in the transition states.

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5.
Инвентарный номер: нет.
   

   
    Synthesis of novel [1,2,4]triazolo[1,5-b][1,2,4,5]tetrazines and investigation of their fungistatic activity / A. V. Korotina, S. G. Tolshchina, R. I. Ishmetova [et al.] // Beilstein Journal of Organic Chemistry. - 2022. - Vol. 18. - P243-250
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A series of novel [1,2,4]triazolo[1,5-b][1,2,4,5]tetrazines has been synthesized through oxidation reaction of the corresponding 3,6-disubstituted 1,2,4,5-tetrazines bearing amidine fragments. It is shown that the heterocyclic systems obtained can be modified easily at C(3) position in the reactions with aliphatic alcohols and amines. Also, the reactivity of [1,2,4]triazolo[1,5-b][1,2,4,5]tetrazines towards CH-active compounds has been studied. The obtained triazolo[1,5-b]annulated 1,2,4,5-tetrazines proved to be active in micromolar concentrations in vitro against filamentous anthropophilic and zooanthropophilic dermatophyte fungi (Trichophyton, Microsporum and Epidermofiton), which cause skin and its appendages (hair, nails) diseases.

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6.
Инвентарный номер: нет.
   

   
    Azolo[5,1-c][1,2,4]triazines and azoloazapurines: synthesis, antimicrobial activity and in silico studies / E. K. Voinkov, R. A. Drokin, V. V. Fedotov [et al.] // ChemistrySelect. - 2022. - Vol. 7, № 5. - Pe202104253
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The present work reports on the synthesis of series of azolo[5,1-c][1,2,4]triazines and derivatives of azoloazapurines. The synthesized compounds were tested in vitro for antibacterial activity against N. gonorrhoeae and antimycotic activity against Trichophyton interdigitale, Epidermophyton floccosum, Microsporum canis and Candida albicans. It was found that 10 compounds of the series of 3-nitroazolo[5,1-c][1,2,4]triazine-4-amines 4 exhibit high antibacterial activity (MIC≤15 μg/ml), but do not exhibit antimycotic activity. For compounds active against N. gonorrhoeae, a biological target was predicted from the pharmacophore search method and homologous modeling was carried out for it. The results of molecular docking using the constructed model of dihydrofolate reductase have a good correlation with in vitro tests. Refined docking showed the similarity of the leading compounds positions in the protein active site. The formation of stable non-covalent bonds of the nitro group with the amino acid residues Lys34/Lys55 makes a major contribution to the orienting effect of ligands.

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7.
Инвентарный номер: нет.
   

   
    Single-crystal X-ray diffraction analysis of arylamine-containing 2,2′-bipyridine derivatives / P. A. Slepukhin, A. P. Krinochkin, E. S. Starnovskaya [et al.] // Russian chemical bulletin. - 2022. - Vol. 71, № 7. - P1533-1543
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The structures of six 2,2′-bipyridine derivatives containing aromatic amine moieties, namely N-aryl-4-aryl-1-(pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine-3-amines, were studied by single-crystal X-ray diffraction. The molecular structures and the effect of the substituents of these compounds on the crystal packing are discussed.

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8.
Инвентарный номер: нет.
   
   T 21

    Tarakhtii, E. A.
    The ability of new diaminoalkanes and their additive salts, effective in the mouse survival test, to protect the blood system in the bone marrow form of acute radiation disease / E. A. Tarakhtii, R. I. Ishmetova // Biology bulletin. - 2021. - Vol. 48, № 3. - P340-350
ББК р
Рубрики: ЗДРАВООХРАНЕНИЕ. МЕДИЦИНСКИЕ НАУКИ
Аннотация: A complex of parameters of the blood system of BALB/c mice was studied using alkanes symmetrically and asymmetrically replaced with heterocyclic amines, which protected 85–100% of mice after total exposure to 137Cs γ-radiation at the minimum lethal dose. The ability of substances of different structures to protect hematopoietic tissue in in vivo and in vitro experiments has been established. Differences in the rates of post-radiation repopulation of blood cells in protected mice were revealed, which are associated with the survival of the organism. It was found that the response to the effect of the investigated substances at the level of the organism (acute toxicity, anti-radiation activity, oxygen consumption by the body) and hematopoietic tissue (changes in cellularity in the hematopoietic organs and peripheral blood) depends on the structure of the substance (length of the aliphatic chain, acidic component).

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9.
Инвентарный номер: нет.
   

   
    2-Aminooxazoles as novel dienophiles in the inverse demand Diels–Alder reaction with 1,2,4-triazines / A. P. Krinochkin, G. Mallikarjuna Reddy, D. S. Kopchuk [et al.] // Mendeleev Communications. - 2021. - Vol. 31, № 4. - P542-544
ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1,2,4-TRIAZINES -- OXAZOL-2-AMINES -- DIELS–ALDER REACTION -- 2,2'-BIPYRIDIN-3-OLS
Аннотация: High temperature coupling of 6-aryl-5-cyano-3-(pyridin-2-yl)-1,2,4-triazines with 2-amino-4-aryloxazoles proceeds as the inverse demand Diels–Alder reaction between the oxazole moiety as dienophile and the 1,2,4-triazine moiety as diene to construct new 4,5-diaryl-6-cyano-3-hydroxypyridin-2-yl fragment. A reaction mechanism is proposed, and the structure of the key-product is proved by the X-ray diffraction analysis.

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10.
Инвентарный номер: нет.
   
   N 89

   
    Novel purine conjugates with N-heterocycles: synthesis and anti-influenza activity / V. P. Krasnov, V. V. Zarubaev, D. V. Gruzdev [et al.] // Chemistry of Heterocyclic Compounds. - 2021. - Vol. 57, № 4. - P498-504
УДК
Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
6-CHLOROPURINE -- HETEROCYCLIC AMINES -- ANTIVIRAL ACTIVITY -- INFLUENZA A AND B VIRUSES
Аннотация: A number of novel amides were synthesized by coupling of 6-[(9H-purin-6-yl)amino]hexanoic acid to heterocyclic amines. The antiviral activity of the obtained compounds, as well as of purine conjugates in which 7,8-difluoro-3-methyl-3,4-dihydro-2H-1,4-benzoxazine is linked to position 6 of purine through a fragment of ɷ-amino acids with varying lengths of polymethylene chains against influenza A and B viruses was studied in vitro. Purine derivatives have been shown to have moderate activity against influenza A (H1N1) virus. The antiinfluenza activity and cytotoxicity of conjugates with 7,8-difluoro-3-methyl-3,4-dihydro-2H-1,4-benzoxazine depend on the length of the linker fragment.

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