Works by Medvedeva, N. I.

Results: 45

First-principles study of intrinsic defects in CdO.

Published in:

International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2018, v. 32, n. 6, p. -1, doi. 10.1142/S0217979218500595

By:

Zhukov, V. P.;
Medvedeva, N. I.;
Krasilnikov, V. N.

Publication type:

Article

Synthesis of New A-Seco-Derivatives of Methyl Glycyrrhetinate.

Published in:

Chemistry of Natural Compounds, 2024, v. 60, n. 4, p. 657, doi. 10.1007/s10600-024-04407-2

By:

Karimova, E. R.;
Baltina, L. A.;
Nugumanov, T. R.;
Medvedeva, N. I.;
Spirikhin, L. V.;
Kukovinets, O. S.

Publication type:

Article

Reaction of Betulonic Acid with m-Chloroperbenzoic Acid in Methylene Chloride.

Published in:

Chemistry of Natural Compounds, 2022, v. 58, n. 5, p. 984, doi. 10.1007/s10600-022-03848-x

By:

Yakovleva, M. P.;
Sayakhov, R. R.;
Medvedeva, N. I.;
Ishmuratov, G. Yu.

Publication type:

Article

Synthesis of Ibuprofen Conjugates with Betulin, Allobetulin, and Betulinic Acid.

Published in:

Chemistry of Natural Compounds, 2022, v. 58, n. 4, p. 679, doi. 10.1007/s10600-022-03768-w

By:

Yakovleva, M. P.;
Sayakhov, R. R.;
Saitov, K. M.;
Medvedeva, N. I.;
Vydrina, V. A.;
Yunusova, G. A.;
Gorshunova, R. V.;
Ishmuratov, G. Yu.

Publication type:

Article

TiCl4 – an Effective Catalyst for Transformation of Betulin Into A-Neo-3-Isopropyl-19β,28-Epoxy-18α-Olean-9(10)-Ene.

Published in:

Chemistry of Natural Compounds, 2021, v. 57, n. 6, p. 1167, doi. 10.1007/s10600-021-03585-7

By:

Sayakhov, R. R.;
Medvedeva, N. I.;
Yakovleva, M. P.;
Ishmuratov, G. Yu.

Publication type:

Article

Synthesis and Cytotoxicity of Lupaneand Oleanane-Type Triterpenoid Conjugates with 1,3,4-Oxadiazole.

Published in:

Chemistry of Natural Compounds, 2021, v. 57, n. 3, p. 485, doi. 10.1007/s10600-021-03393-z

By:

Medvedeva, N. I.;
Kazakova, O. B.

Publication type:

Article

Synthesis and structure of an acetylene derivative of lupeol.

Published in:

Chemistry of Natural Compounds, 2011, v. 47, n. 3, p. 408, doi. 10.1007/s10600-011-9945-x

By:

Kazakova, O. B.;
Medvedeva, N. I.;
Suponitskii, K. Yu.

Publication type:

Article

Chemoselective oxidation of oleanolic acid derivatives with ozone.

Published in:

Chemistry of Natural Compounds, 2010, v. 46, n. 3, p. 397, doi. 10.1007/s10600-010-9627-0

By:

Kazakova, O. B.;
Medvedeva, N. I.;
Kukovinets, O. S.;
Tolstikov, G. A.;
Khusnutdinova, E. F.;
Zaprutko, L.;
Bednarczyk-Cwynar, B.;
Paryzek, Z.

Publication type:

Article

Synthesis of methyl esters of betulinic acid 2-deoxy- α-glycosides and 28-oxo-19,28-epoxyoleanane.

Published in:

Chemistry of Natural Compounds, 2006, v. 42, n. 6, p. 706, doi. 10.1007/s10600-006-0258-4

By:

Flekhter, O. B.;
Medvedeva, N. I.;
Tret'yakova, E. V.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Structure of the minor ozonolysis product of 19 β,28-epoxy-A- neo-18 α-olean-3(5)-ene.

Published in:

Chemistry of Natural Compounds, 2006, v. 42, n. 5, p. 618, doi. 10.1007/s10600-006-0233-0

By:

Medvedeva, N. I.;
Flekhter, O. B.;
Gzella, A.;
Zaprutko, L.

Publication type:

Article

Synthesis of 4,5-Seco-Derivatives of Allobetulin.

Published in:

Chemistry of Natural Compounds, 2004, v. 40, n. 3, p. 247, doi. 10.1023/B:CONC.0000039133.48494.db

By:

Medvedeva, N. I.;
Flekhter, O. B.;
Baltina, L. A.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Synthetic Transformations of Higher Terpenoids: XI. Synthesis of A-Nor-5bH-19b,28-epoxy-18a-olean-3-one Derivatives.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 8, p. 1092, doi. 10.1023/B:RUJO.0000045887.67489.44

By:

Medvedeva, N. I.;
Flekhter, O. B.;
Tretyakova, E. V.;
Galin, F. Z.;
Baltina, L. A.;
Spirikhin, L. V.;
Tolstikov, G. A.

Publication type:

Article

Synthesis of 1,2,3-Thiadiazolo Terpenoids on the Basis of Cyclopentanonopimaric and Betulonic Acids.

Published in:

Russian Journal of Organic Chemistry, 2004, v. 40, n. 1, p. 90, doi. 10.1023/B:RUJO.0000034915.91472.fb

By:

Flekhter, O. B.;
Tret'yakova, E. V.;
Medvedeva, N. I.;
Baltinax, L. A.;
Galin, F. Z.;
Tolstikov, G. A.;
Bakulev, V. A.

Publication type:

Article

Efficient Synthesis of Optically Pure Mono- and Binuclear Macrocyclic Polylactones from Castor Oil and Sebacic Acid.

Published in:

Doklady Chemistry, 2023, v. 513, n. 1, p. 315, doi. 10.1134/S0012500823601031

By:

Ishmuratov, G. Yu.;
Medvedeva, N. I.;
Saitov, K. M.;
Yakovleva, M. P.;
Nazarov, I. S.;
Tolstikov, A. G.

Publication type:

Article

Accelerants for the setting and hardening of portland cement based on aluminum oxides and hydroxides.

Published in:

Metallurgist, 2008, v. 52, n. 11/12, p. 738, doi. 10.1007/s11015-009-9123-6

By:

Ilyasov, A. G.;
Medvedeva, I. N.;
Korneev, V. I.

Publication type:

Article

Molecular Structure of Methyl 1-Isopropenyl- 5a,5b,8,8,11a-Pentamethyl-9-OXO-10-[( E)-1-Phenylmethylidene] Perhydrocyclopent [ a]Chrysene-3a-Carboxylate.

Published in:

Journal of Structural Chemistry, 2010, v. 51, n. 4, p. 802, doi. 10.1007/s10947-010-0122-z

By:

Kazakova, O. B.;
Medvedeva, N. I.;
Salimova, E. V.;
Suponitskii, K. Yu.

Publication type:

Article

Molecular and crystal structure of 23,24,25,26,27,29,30-heptamethyl-19,28-oxahexacyclo[15.13.18.017,18.013,14.08,9.05,10]tetracos-3-yl acetate.

Published in:

Journal of Structural Chemistry, 2009, v. 50, n. 2, p. 387, doi. 10.1007/s10947-009-0058-3

By:

Medvedeva, N. I.;
Flechter, O. B.;
Korlyukov, A. A.

Publication type:

Article

Interatomic interactions and electronic structure of NbSe2 and Nb1.25Se2 nanotubes.

Published in:

Journal of Structural Chemistry, 2004, v. 45, n. 4, p. 547, doi. 10.1007/s10947-005-0028-3

By:

Enyashin, A. N.;
Ivanovskaya, V. V.;
Shein, I. R.;
Makurin, Yu. N.;
Medvedeva, N. I.;
Sofronov, A. A.;
Ivanovskii, A. L.

Publication type:

Article

First-principles study of structural, elastic, and electronic properties of M23 C6 and MC carbides ( M = Ru, Rh, Pd, Os, Ir, and Pt).

Published in:

Physica Status Solidi (B), 2014, v. 251, n. 1, p. 148, doi. 10.1002/pssb.201349062

By:

Medvedeva, N. I.;
Ivanovskii, A. L.

Publication type:

Article

Electronic structure and magnetic properties of Fe3C with 2p and 3p impurities.

Published in:

Physica Status Solidi (B), 2009, v. 246, n. 9, p. 2167, doi. 10.1002/pssb.200945064

By:

Gutina, O. Yu.;
Medvedeva, N. I.;
Shein, I. R.;
Ivanovskii, A. L.;
Medvedeva, J. E.

Publication type:

Article

Electronic structure and stability of thorium carbonitrides.

Published in:

Physica Status Solidi (B), 2007, v. 244, n. 9, p. 3198, doi. 10.1002/pssb.200743125

By:

Shein, I. R.;
Shein, K. I.;
Medvedeva, N. I.;
Ivanovskii, A. L.

Publication type:

Article

Electronic structure and magnetic properties of Fe3C with 3d and 4d impurities.

Published in:

Physica Status Solidi (B), 2007, v. 244, n. 6, p. 1971, doi. 10.1002/pssb.200642400

By:

Shein, I. R.;
Medvedeva, N. I.;
Ivanovskii, A. L.

Publication type:

Article

Electronic properties of ThSiO4 polymorphs (thorite and huttonite) from first principles calculations.

Published in:

Physica Status Solidi (B), 2006, v. 243, n. 6, p. R44, doi. 10.1002/pssb.200642093

By:

Shein, I. R.;
Shein, K. I.;
Medvedeva, N. I.;
Ivanovskii, A. L.

Publication type:

Article

Electronic properties of superconducting NbSe2 nanotubes.

Published in:

Physica Status Solidi (B), 2003, v. 238, n. 3, p. R1, doi. 10.1002/pssb.200309007

By:

V. V. Ivanovskaya;
A. N. Enyashin;
N. I. Medvedeva;
A. L. Ivanovskii

Publication type:

Article

Electronic properties of Al, Si-containing solid solutions based on B1-TiN, TiC determined by LMTO band structure calculations.

Published in:

Physica Status Solidi (B), 1996, v. 195, n. 1, p. 195, doi. 10.1002/pssb.2221950122

By:

Ivanovsky, A. L.;
Medvedeva, N. I.;
Shveikin, G. P.;
Zhukovsky, V. M.

Publication type:

Article

Electronic Structure of Cubic Silicon Carbide with Substitutional 3d Impurities at Si and C Sites.

Published in:

Semiconductors, 2003, v. 37, n. 11, p. 1243, doi. 10.1134/1.1626200

By:

Medvedeva, N. I.;
Yur'eva, E. I.;
Ivanovski&ibreve;, A. L.

Publication type:

Article

Titanium, Vanadium, and Nickel Impurities in 3C-SiC: Electronic Structure and Lattice Relaxation Effects.

Published in:

Semiconductors, 2002, v. 36, n. 7, p. 751, doi. 10.1134/1.1493743

By:

Medvedeva, N. I.;
Yuryeva, É. I.;
Ivanovskiı, A. L.

Publication type:

Article

MOLYBDATES AND TUNGSTATES OF THE ALLUAUDITE FAMILY: CRYSTAL CHEMISTRY, COMPOSITION, AND IONIC MOBILITY.

Published in:

Journal of Structural Chemistry, 2022, v. 63, n. 7, p. 1101, doi. 10.1134/S0022476622070071

By:

Solodovnikov, S. F.;
Gulyaeva, O. A.;
Savina, A. A.;
Yudin, V. N.;
Buzlukov, A. L.;
Solodovnikova, Z. A.;
Zolotova, E. S.;
Spiridonova, T. S.;
Khaikina, E. G.;
Stefanovich, S. Yu.;
Medvedeva, N. I.;
Baklanova, Ya. V.;
Denisova, T. A.

Publication type:

Article

Crystal and Electronic Structures of Alluaudite-Type Double Molybdates of Scandium and Indium.

Published in:

Journal of Structural Chemistry, 2019, v. 60, n. 12, p. 1868, doi. 10.1134/S0022476619120023

By:

Suetin, D. V.;
Baklanova, Ya. V.;
Medvedeva, N. I.;
Savina, A. A.;
Khaykina, E. G.;
Pletneva, E. D.;
Denisova, T. A.

Publication type:

Article

Quantum-Chemical Modelling of the Electronic Structure and the Chemical Bond in Multiwalled Nanotubes Based on Metal Diborides.

Published in:

Theoretical & Experimental Chemistry, 2003, v. 39, n. 1, p. 1, doi. 10.1023/A:1022937824976

By:

Ivanovskaya, V. V.;
Enyashin, A. N.;
Sofronov, A. A.;
Makurin, Yu. N.;
Medvedeva, N. I.;
Ivanovskii, A. L.

Publication type:

Article

Electronic Properties of New Ca(Al[sub x]Si[sub 1 – ][sub x])[sub 2] and Sr(Ga[sub x]Si[sub 1 – ][sub x])[sub 2] Superconductors in Crystalline and Nanotubular States.

Published in:

JETP Letters, 2002, v. 76, n. 3, p. 189, doi. 10.1134/1.1514766

By:

Shein, I. R.;
Ivanovskaya, V. V.;
Medvedeva, N. I.;
Ivanovskiı, A. L.

Publication type:

Article

Electronic Structure of the New MgCNi[sub 3] Superconductor and Related Intermetallic Compounds.

Published in:

JETP Letters, 2001, v. 74, n. 2, p. 122, doi. 10.1134/1.1405900

By:

Shein, I. R.;
Ivanovskiı, A. L.;
Medvedeva, N. I.

Publication type:

Article

Band Structure of the Superconducting MgB[sub 2] Compound and Modeling of Related Ternary Systems.

Published in:

JETP Letters, 2001, v. 73, n. 7, p. 336, doi. 10.1134/1.1378114

By:

Medvedeva, N. I.;
Medvedeva, J. E.;
Ivanovskiı, A. L.;
Zubkov, V. G.;
Freeman, A. J.

Publication type:

Article

Curie Temperature and Density of States at the Fermi Level for Al–Cu–Fe Phases: β-Solid State Solution–Approximants–Icosahedral Quasicrystals.

Published in:

Acta Physica Polonica: A, 2014, v. 126, n. 2, p. 572, doi. 10.12693/APhysPolA.126.572

By:

SHALAEVA, E. V.;
PREKUL, A. F.;
SHCHEGOLIKHINA, N. I.;
MEDVEDEVA, N. I.

Publication type:

Article

Synthesis and Antiviral Activity of Lupane Triterpenoids and Their Derivatives.

Published in:

Pharmaceutical Chemistry Journal, 2004, v. 38, n. 7, p. 355, doi. 10.1023/B:PHAC.0000048431.65649.bd

By:

Flekhter, O. B.;
Boreko, E. I.;
Nigmatullina, L. R.;
Pavlova, N. I.;
Medvedeva, N. I.;
Nikolaeva, S. N.;
Ashavina, O. A.;
Savinova, O. V.;
Baltina, L. A.;
Galin, F. Z.;
Tolstikov, G. A.

Publication type:

Article

Synthesis and Pharmacological Activity of Acylated Betulonic Acid Oxides and 28-Oxo-Allobetulone.

Published in:

Pharmaceutical Chemistry Journal, 2004, v. 38, n. 3, p. 148, doi. 10.1023/B:PHAC.0000034305.96047.87

By:

Flekhter, O. B.;
Boreko, E. I.;
Nigmatullina, L. R.;
Pavlova, N. I.;
Medvedeva, N. I.;
Nikolaeva, S. N.;
Tret'yakova, E. V.;
Savinova, O. V.;
Baltina, L. A.;
Karachurina, L. T.;
Galin, F. Z.;
Zarudii, F. S.;
Tolstikov, G. A.

Publication type:

Article

First-principles study of elastic and slip properties of non-canonical β-based Al-Cu-Fe approximants.

Published in:

Philosophical Magazine, 2018, v. 98, n. 23, p. 2135, doi. 10.1080/14786435.2018.1478145

By:

Medvedeva, N. I.;
Shalaeva, E. V.

Publication type:

Article

Ordering effect on the mechanical, electronic and magnetic properties of the β-based non-canonical approximant phases: β-Al 50 Cu 33 Fe 17 , η-Al 50 Cu 44 Fe 6 and φ-Al 47.5 Cu 49.5 Fe 3.

Published in:

Philosophical Magazine, 2017, v. 97, n. 13, p. 1024, doi. 10.1080/14786435.2017.1287970

By:

Shalaeva, E. V.;
Medvedeva, N. I.;
Prekul, A. F.;
Smirnova, E. O.;
Smirnov, S. V.;
Shchegolikhina, N. I.;
Selyanin, I. O.

Publication type:

Article

Ion Mobility in Triple Sodium Molybdates and Tungstates with a NASICON Structure.

Published in:

Journal of Experimental & Theoretical Physics, 2022, v. 134, n. 1, p. 42, doi. 10.1134/S1063776122010071

By:

Buzlukov, A. L.;
Fedorov, D. S.;
Serdtsev, A. V.;
Kotova, I. Yu.;
Tyutyunnik, A. P.;
Korona, D. V.;
Baklanova, Ya. V.;
Ogloblichev, V. V.;
Kozhevnikova, N. M.;
Denisova, T. A.;
Medvedeva, N. I.

Publication type:

Article

Effect of vanadium doping on the magnetic properties of LiMnPO4.

Published in:

Physica Status Solidi (B), 2016, v. 253, n. 5, p. 965, doi. 10.1002/pssb.201552682

By:

Kellerman, D. G.;
Chukalkin, Yu. G.;
Medvedeva, N. I.;
Gorshkov, V. S.;
Semenova, A. S.

Publication type:

Article

Coulomb-correlation effects on the optical properties of β-Mn2V2O7.

Published in:

Physica Status Solidi (B), 2015, v. 252, n. 12, p. 2853, doi. 10.1002/pssb.201552338

By:

Medvedeva, N. I.;
Rotermel, M. V.;
KrasnENko, T. I.

Publication type:

Article

The Electronic Structure and Cohesive Energy of HfO2, ZrO2, TiO2, and SnO2 Crystals.

Published in:

Physica Status Solidi (B), 1990, v. 160, n. 2, p. 517, doi. 10.1002/pssb.2221600213

By:

Medvedeva, N. I.;
Zhukov, V. P.;
Khodos, M. Ya.;
Gubanov, V. A.

Publication type:

Article

The Electronic Structure of the Alkaline-Earth Oxides. I. The Differences between MgO and LiF, NaF Electronic Structures.

Published in:

Physica Status Solidi (B), 1990, v. 158, n. 1, p. 239, doi. 10.1002/pssb.2221580123

By:

Lobatch, V. A.;
Kulyabin, B. E.;
Zhukov, V. P.;
Medvedeva, N. I.

Publication type:

Article

The Electronic Band Structure and Non-Empirical Calculations of Cohesive Properties of Refractory Compounds.

Published in:

Physica Status Solidi (B), 1989, v. 151, n. 2, p. 407, doi. 10.1002/pssb.2221510202

By:

Zhukov, V. P.;
Medvedeva, N. I.;
Gubanov, V. A.

Publication type:

Article

The Study of Energy Band Structure and Chemical Bonding in Yttrium Carbide, Yttrium and Strontium Dicarbides by the LMTO and Xα DV Method.

Published in:

Physica Status Solidi (B), 1988, v. 149, n. 1, p. 175, doi. 10.1002/pssb.2221490119

By:

Zhukov, V. P.;
Medvedeva, N. I.;
Novikov, D. L.;
Gubanov, V. A.

Publication type:

Article