Search Results - "Fedorova, O V"
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Catalysts for enantioselective Biginelli reaction based on the composite silica-zirconia xerogels prepared using different zirconium sources
Published in Journal of sol-gel science and technology (01-02-2014)“…The composite silica-zirconia xerogels have been prepared via sol–gel method using zirconium oxychloride, oxynitrate, acetate and sodium silicate as the…”
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2
Mixed oxides of silicon, titanium, zirconium, modified with carboxylic acids, as heterogeneous catalysts for the asymmetric Biginelli reaction
Published in Journal of sol-gel science and technology (01-11-2023)“…Using the sol-gel and coprecipitation methods, individual oxides of silicon, titanium, zirconium and double oxides TiO 2 –SiO 2 , TiO 2 –ZrO 2 , ZrO 2 –SiO 2…”
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3
IR Spectra and Component Ratios in SiO2–TiO2Organic Acid Composites―New Catalysts for the Asymmetric Biginelli Reaction
Published in Russian journal of general chemistry (01-11-2023)“…The amount of acid retained in the SiO 2 –TiO 2 *organic acid composites obtained by the sol-gel method depends on the structure of the acid and its…”
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4
Structural features and differences for moieties of 4,7-dihydro-1,2,4-triazolo[1,5-a]pyrimidines and 4,7-dihydro-1,2,4-triazolo[4,3-a]pyrimidines according to X-ray diffraction data
Published in Russian chemical bulletin (01-12-2023)“…The structures of substituted 6-benzyloxycarbonyl-7-(het)aryl-5-methyl-4,7-dihydro-1,2,4-triazolo[1,5- a ]pyrimidines and isomeric…”
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5
Evaluation of the effect of iminium intermediates on the stereoselectivity of the Biginelli reaction involving hydroxyproline-containing podands
Published in Russian chemical bulletin (01-08-2023)“…The results are presented of a theoretical study on assessment of the stereoselectivity of processes aimed at increasing the enantiomeric excess of chiral…”
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Stereoselective synthesis of dihydropyrimidinethione podand in the presence of l-proline or 4-hydroxy-l-proline and metal nitrates
Published in Russian chemical bulletin (01-07-2022)“…The asymmetric Biginelli reaction involving a 3-oxobutanoyl-containing podand, benzaldehyde, and thiourea was studied using secondary amines as a chiral…”
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Three-component green synthesis of 6-ethoxycarbonyl-5-methyl-7-(thien-2-yl)-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine, a promising antituberculosis drug
Published in Russian chemical bulletin (01-12-2019)“…A new simple, technological, and environmentally friendly method for the catalyst-free synthesis in water of a promising antituberculosis drug,…”
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8
Sorption of 137Cs and 90Sr by Chemically Modified Humic Acids
Published in Radiochemistry (New York, N.Y.) (2022)“…The sorption characteristics of modified humic acid-based sorbents obtained from peat from the Gurovskoye deposit are studied. The functional and elemental…”
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9
Titania sols as precursors in sol-gel technologies of composite materials for photocatalysis, electrorheology, sorption
Published in Journal of sol-gel science and technology (01-11-2019)“…Using titania sols, composite materials with improved photocatalytic, sorption, and electrorheological properties were obtained. It was found that an increase…”
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10
Synthesis and Study of Si–Ti Mixed Oxides Modified with Dibenzo-18-Crown-6 Complexes with Metal Cations
Published in Russian journal of inorganic chemistry (01-10-2022)“…Composites based on SiO 2 –TiO 2 and dibenzo-18-crown-6 (DBC) complexes with rare earth element (REE), sodium, cesium, barium, and strontium cations, including…”
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Synthesis and Optical Properties of New S-Derivatives of 5,5′-(1,4-Phenylene)bis(4H-1,2,4-triazole-3-thiol) and 5,5′,5″-(Benzene-1,3,5-triyl)tris(4H-1,2,4-triazole-3-thiol)
Published in Russian journal of general chemistry (01-12-2019)“…A simple one-pot synthetic method for novel S -alkenyl and propargyl derivatives of 5,5′-(1,4-phenylene)-bis(4 H -1,2,4-triazole-3-thiol) and…”
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12
Endogenous Marinobufagenin-Like Factor In Acute Plasma Volume Expansion
Published in Clinical and experimental hypertension (1993) (1998)“…The aim of the study was to further investigate the nature of endogenous digitalis-like factors stimulated by acute plasma volume expansion (VE), 10 male…”
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Characterization of a Urinary Bufodienolide Na+, K+-ATPase Inhibitor in Patients After Acute Myocardial Infarction
Published in Hypertension (Dallas, Tex. 1979) (01-05-1998)“…Recent evidence suggests the existence of several endogenous Na, K inhibitors in mammals. Previously, we have shown that the amphibian Na, K inhibitor…”
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4-(Het)aryl-4,7-dihydroazolopyrimidines and Their Tuberculostatic Activity
Published in Russian journal of organic chemistry (01-06-2019)“…Structural analogs of a promising antituberculous agent, ethyl 5-methyl-7-(thiophen-2-yl)-4,7-dihydro[1,2,4]triazolo[1,5- a ]pyrimidine-6-carboxylate have been…”
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15
Spontaneous otoliquorrhea, complicated by recurrent secondary meningitis, in a 6-year-old child with an abnormality of the inner ear
Published in Vestnik otorinolaringologii (2023)“…Congenital anomalies in the inner ear structures development are one of the reasons for unilateral hearing loss in children. Unilateral hearing loss is…”
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Synthesis and Spectroscopic Study of Si, Ti, Mg, and Zn Oxides Modified by L-Proline
Published in Journal of applied spectroscopy (01-07-2021)“…Individual and mixed oxides of Zn, Mg, Si, and Ti modified with L-proline during their solgel synthesis have been obtained. The IR spectra of these oxides…”
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Simultaneous Measurement of Marinobufagenin, Ouabain, and Hypertension-associated Protein In Various Disease States
Published in Clinical and experimental hypertension (1993) (01-01-1998)“…We have previously demonstrated that a 12 kD hypertension-associated protein (HAP) is elevated in essential hypertension and that this protein has the…”
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Journal Article Conference Proceeding -
18
Synthesis and Physicochemical and Catalytic Properties of Composites in the SiO2–ZrO2 System
Published in Inorganic materials (01-04-2020)“…— Using coprecipitation, a sol–sol method, and molecular layering, we have synthesized SiO 2 –ZrO 2 composites with SiO 2 : ZrO 2 ratios from 1 : 1 to 9 : 1…”
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Inhibition of Na/K ATPase From Rat Aorta by Two Na/K Pump Inhibitors, Ouabain and Marinobufagenin: Evidence of Interaction With Different α-Subunit Isoforms
Published in American journal of hypertension (01-08-1997)“…Recently, we have shown that mammalian plasma cross-reacts with an antibody to a bufodienolide Na/K ATPase inhibitor, marinobufagenin. In rat aorta,…”
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Event-Related Potentials in the Brain on Perception of Referentially Ambiguous Russian Pronouns
Published in Neuroscience and behavioral physiology (2018)“…Event-related brain potentials (ERP) during perception of referentially ambiguous Russian pronouns were studied in conditions in which resolution of ambiguity…”
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