Научные публикации в Scopus: Новые поступления

Отображаемые элементы 1221-1240 из 24551

Synthesis and Antibacterial Activity of Sulfanilamides Containing Sterically Hindered Phenol Fragments

Bukharov S.V.; Burilov A.R.; Tagasheva R.G.; Nugumanova G.N.; Nikitina E.V.; Mukmeneva N.A. (2021)

Abstract: New sulfanilamide derivatives containing sterically hindered phenol fragments have been synthesized via modification of the amino group by reaction with 3,5-di-tert-butyl-4-hydroxybenzyl acetate and diazotization ...
Carboxylate Phosphabetaines Containing Chiral Carbon Atom: Synthesis and NMR Spectroscopy Data

Romanov S.R.; Bakhtiyarova Y.V.; Morozov M.V.; Karataeva F.K.; Klochkov V.V.; Galkina I.V.; Galkin V.I. (2021)

Abstract: The nucleophilic addition reactions of tertiary phosphines and unsaturated carboxylic acids have led to the formation of mono- and dicarboxylate phosphabetaines containing an asymmetric carbon atom. The data of ...
Extraction and Membrane Transport Properties of 8-(1-O,O-Diamylphosphoryl-3,5-dioxapentane)quinoline

Davletshina N.V.; Khabibullina A.R.; Gaynullin A.Z.; Davletshin R.R.; Osipova E.V.; Cherkasov R.A. (2021)

Abstract: The membrane transport properties of P,N-containing carrier, 8-(1-diamylphosphoryl-3,5-dioxapentane)quinoline, have been studied. The relationship between the transfer flow of substrates and the structural features ...
Acid-Base and Complexing Properties of 2,2′-{[(Diisopropoxyphosphoryl)methyl]azanediyl}diacetic Acid

Mirzayanov I.I.; Garifzyanov A.R.; Devyatov F.V. (2021)

Abstract: Acid-base properties of 2,2′-{[(diisopropoxyphosphoryl)methyl]azanediyl}diacetic acid and its complexing ability towards alkaline-earth and transition metals have been studied by means of potentiometric titration. ...
Conformational Analysis of Dibutylphosphorylacetic Acid N,N-Dibutylamide in Solution

Kuznetsova A.A.; Chachkov D.V.; Tcarkova K.V.; Bondarenko N.A.; Vereshchagina Y.A. (2021)

Abstract: Polarity of N,N-dibutylamide of dibutylphosphorylacetic acid has been determined and its conformational analysis has been carried out by the methods of dipole moments and quantum chemistry [DFT B3PW91/6-311++G( ...
First Pentanuclear Molybdenum Iodide Cluster (Bu<inf>4</inf>N)[Mo<inf>5</inf>OI<inf>13</inf>]: Synthesis and Structure

Mikhaylov M.A.; Sukhikh T.S.; Sheven’ D.G.; Sokolov M.N. (2021)

Abstract: The first iodide cluster of molybdenum with the metal cage in the form of a tetragonal pyramid (Bu4N)[Mo5OI13]·THF (I) and cocrystallizate (Bu4N){[Mo5OI13]0.9[Mo6I14]·THF (II) are synthesized for the first time ...
Study of the Reactions of Fullerene С<inf>60</inf> with the Palladium-Containing Clusters of Molybdenum {Mo<inf>3</inf>PdS<inf>4</inf>} by Spectroscopic and Calculation Methods

Laricheva Y.A.; Shmelev N.Y.; Gushchin A.L.; Sokolov M.N. (2021)

Abstract: The fabrication of hybrid materials combining the physicochemical properties of various classes is a complicated but promising trend for the development of the modern science. The formation of new hybrid cluster ...
Synthesis and Characterization of the New Cluster Complex {Mo<inf>3</inf>S<inf>4</inf>} with the Hemilabile Phosphine-Selenoether Ligand

Shmelev N.Y.; Gongola M.I.; Malysheva S.F.; Belogorlova N.A.; Artem’ev A.V.; Fomenko Y.S.; Komarov V.Y.; Sopov K.V.; Kompan’kov N.B.; Sheven’ D.G.; Sokolov M.N.; Gushchin A.L. (2021)

Abstract: The reaction of [Mo3S4(Tu)8(H2O)]Cl4·4H2O (Tu is thiourea) with (PhCH2CH2)2-PCH2CH2SeC5H11) (PSe) followed by purification on a chromatographic column packed with silica gel using a saturated solution of KPF6 in ...
New Paleomagnetic Data on Late Cretaceous Chukotka Volcanics: the Chukotka Block Probably Underwent Displacements Relative to the North American and Eurasian Plates after the Formation of the Okhotsk-Chukotka Volcanic Belt?

Lebedev I.E.; Tikhomirov P.L.; Pasenko A.M.; Eid B.; Lhuillier F.; Pavlov V.E. (2021)

Abstract—Paleomagnetic studies of several Late Cretaceous volcanic sections of the Okhotsk–Chukotka volcanic belt have been carried out in the Bilibino region of the Chukotka Autonomous Okrug and along the Pevek–Egvekenot ...
First results and prospects of a new approach to the study of active geologic processes by space and ground instrumental measurements (By the example of kamchatka and the central asian orogenic belt)

Dobretsov N.L.; Buslov; Vasilevskiy N.; Zhmodik S.; Kotlyarov V. (2021)

The use of satellite-geological information permits generalization of studies of various active geologic processes in a new way. As reference examples, we consider geologic regions extensively covered by research with our ...
Features of mineral crystallization at different stages of the magmatism evolution of the gorely volcano (Kamchatka): Data on melt and fluid inclusions

Simonov V.A.; Dobretsov N.L.; Kotlyarov A.V.; Karmanov N.S.; Borovikov A.A. (2021)

Studies of melt and fluid inclusions and minerals as well as computational modeling (based on the data on the composition of melt inclusions, clinopyroxenes, and amphiboles) gave an insight into the physicochemical parameters ...
Estimation of Vertical Take-off Unmanned Aircraft Flight Characteristics and Algorithm of Required Roll Angle Calculating for Trajectory Tracking

Gainutdinova T.Y.; Gainutdinova A.V.; Trusfus M.V.; Gainutdinov V.G.; Zamaleev T.A. (2021)

Abstract: The paper proposes an algorithm for estimating the available and required power for the VTOL unmanned aircraft based on speed data obtained during acceleration of a plane in horizontal flight with the engine ...
Chiral recognition of N-thiophosphorylated thioureas via nickel(ii) coordination assisted by 4-dimethylaminopyridine

Metlushka K.E.; Sadkova D.N.; Nikitina K.A.; Zinnatullin R.G.; Yamaleeva Z.R.; Ivshin K.A.; Kiiamov A.G.; Kataeva O.N. (2021)

Nickel(ii) complexes were synthesized using chiral N-thiophosphorylated thioureas as the starting compounds and 4-dimethylaminopyridine as a co-ligand. The reaction with racemic thiourea afforded homochiral complexes due ...
Climate Change on the Territory of Russia in the Late 20th–Early 21st Centuries

Perevedentsev Y.P.; Vasil’ev A.A.; Sherstyukov B.G.; Shantalinskii K.M. (2021)

Abstract: The spatiotemporal variability of surface air temperature and precipitation in Russia is considered using the data from 1251 stations for two periods: 1976–2019 and 2001–2019. Main attention is paid to the analysis ...
New adsorbent based on zeolite modified with hyperbranched polyesterpolybenzoylthiocarbamate

Maksimov A.F.; Kutyrev G.A.; Zhukova A.A.; Kudryashova D.A.; Kutyreva M.P. (2021)

A new hybrid adsorbent based on zeolite modified with hyperbranched polyesterpolybenzoylthiocarbamate is presented. The structure and morphology of the sorbent are characterized by potentiometric titration, IR, 1H and 13C ...
Synthesis of C(28)-linker derivatives of betulinic acid bearing phosphonate group

Tsepaeva O.V.; Nemtarev A.V.; Grigor’eva L.R.; Mironov V.F. (2021)

A convenient method for the synthesis of C(28)-linker derivatives of triterpenoids containing a phosphonate group is presented. The method is based on the reaction of triterpenic acids (using betulinic acid as an example) ...
NMR signal assignments afnd secondary structure determination of the N-terminal domain of the ribosome maturation factor M from Staphylococcus aureus

Garaeva N.S.; Bikmullin A.G.; Kuchaev E.S.; Klochkova E.A.; Validov S.Z.; Klochkov V.V.; Aganov A.V.; Yusupov M.M.; Usachev K.S. (2021)

The ribosome maturation factor M (RimM) is a protein with a molecular mass of 19.072 kDa involved in assembling of the 30S ribosome subunit. The RimM is necessary for the efficient processing of 16S rRNA. However, the ...
Synthesis of hybrid compounds by benzylation of acylhydrazones with 3,5-di-tert-butyl-4-hydroxybenzyl acetate

Bukharov S.V.; Bakhdyrova D.F.; Tagasheva R.G.; Burilov A.R.; Litvinov I.A.; Chachkov D.V.; Vereshchagina Y.A. (2021)

N-Benzylation of acylhydrazones of the hydroxybenzaldehyde series with 3,5-di-tert-butyl-4-hydroxybenzyl acetate was performed at room temperature in the absence of acid or base catalysts. Carboxamides do not react with ...
Spatial structure of the fibril-forming SEM1(86–107) peptide in a complex with dodecylphosphocholine micelles

Sanchugova D.A.; Bikmullin A.G.; Klochkov V.V.; Aganov A.V.; Blokhin D.S. (2021)

The SEM1(86–107) peptide is a fragment of the semenogelin 1 protein, a component of human semen coagulum. The peptide is known to form amyloid fibrils, which increase the infectious activity of the human immunodeficiency ...
Combinatorial Structure of a Semigroup of Bistochastic Matrices

Al’pin Y.A.; Tregubov V.G. (2021)

The Frobenius form of an irreducible bistochastic matrix is clarified. A generalization of the Frobenius form for irreducible semigroups of bistochastic matrices is described.

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