Works by Kovalev, I. S.

Results: 25

Mechanosynthesis of Mannich Bases from β-Naphthols.

Published in:

Russian Journal of General Chemistry, 2025, v. 95, n. 6, p. 1554, doi. 10.1134/S1070363225602108

By:

Mukherjee, A.;
Sharapov, A. D.;
Potapova, A. P.;
Santra, S.;
Khalymbadzha, I. A.;
Kopchuk, D. S.;
Kovalev, I. S.;
Zyryanov, G. V.;
Ranu, V. Ch.

Publication type:

Article

Synthesis of Quinine Ester of Naproxen and Study of Its Photophysical Properties.

Published in:

Russian Journal of General Chemistry, 2024, v. 94, n. 12, p. 3249, doi. 10.1134/S1070363224120156

By:

Egorov, I. N.;
Valieva, M. I.;
Kopchuk, D. S.;
Kovalev, I. S.;
Zyryanov, G. V.

Publication type:

Article

Synthesis of New 3-(Pyridin-2-yl)-1,2,4-triazine Complexes of Ruthenium(II).

Published in:

Russian Journal of General Chemistry, 2023, v. 93, p. S285, doi. 10.1134/S1070363223140372

By:

Al-Ghezi, B. S. M.;
Khasanov, A. F.;
Starnovskaya, E. S.;
Kovalev, I. S.;
Kopchuk, D. S.;
Zyryanov, G. V.;
Ranu, B. C.

Publication type:

Article

Condensation of Amino-thia- and Oxazoles with Indole and 4-Nitrobenzaldehyde under Mechanoactivation Conditions.

Published in:

Russian Journal of General Chemistry, 2023, v. 93, p. S81, doi. 10.1134/S1070363223140281

By:

Al-Ithawi, W. K. A.;
Rammohan, A.;
Egorov, I. N.;
Nikonov, I. L.;
Kovalev, I. S.;
Kopchuk, D. S.;
Zyryanov, G. V.;
Chupakhin, O. N.

Publication type:

Article

X-Ray Diffraction Structural Studies of a Series of 4-Aryl-1-di- and 4-Aryl-1-trichloromethylisoquinolines and Their 1,2,4-Triazine Precursors.

Published in:

Russian Journal of General Chemistry, 2020, v. 90, n. 7, p. 1192, doi. 10.1134/S1070363220070038

By:

Slepukhin, P. A.;
Nikonov, I. L.;
Kopchuk, D. S.;
Kovalev, I. S.;
Zyryanov, G. V.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

Transformations of 5-Hydrazinyl-1,2,4-triazines in Reaction with 2,5-Norbornadiene.

Published in:

Doklady Chemistry, 2023, v. 508, n. 1, p. 23, doi. 10.1134/S0012500823600104

By:

Krinochkin, A. P.;
Rammohan, A.;
Kopchuk, D. S.;
Nikonov, I. L.;
Starnovskaya, E. S.;
Sharafieva, E. R.;
Kovalev, I. S.;
Zyryanov, G. V.;
Chupakhin, O. N.

Publication type:

Article

Reaction of 2-pyridyllithium with azine N-oxides. Simple and convenient method for the synthesis of 2,2′-bipyridine 1-oxide and 2,2′:6′,2″:6″2′″-tetrapyridine 1′-oxide.

Published in:

Chemistry of Heterocyclic Compounds, 2009, v. 45, n. 2, p. 176, doi. 10.1007/s10593-009-0247-1

By:

Kovalev, I. S.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

Crystals of Salts of Nickel and Cobalt Transition Elements for Optical Filters.

Published in:

Crystallography Reports, 2024, v. 69, n. 2, p. 151, doi. 10.1134/S1063774524600066

By:

Manomenova, V. L.;
Rudneva, E. B.;
Vasilyeva, N. A.;
Sorokina, N. I.;
Komornikov, V. A.;
Matveeva, D. S.;
Lyasnikova, M. S.;
Grebenev, V. V.;
Kovalev, S. I.;
Voloshin, A. E.

Publication type:

Article

Morphological Effects in Liquid Phase Epitaxy (the C[sub 8]H[sub 5]O[sub 4]K–C[sub 8]H[sub 5]O[sub 4]Rb–H[sub 2]O System).

Published in:

Crystallography Reports, 2003, v. 48, n. 6, p. 1064, doi. 10.1134/1.1627449

By:

Volosshin, A. É.;
Glikin, A. É.;
Kovalev, S. I.;
Rudneva, E. B.

Publication type:

Article

Composition, Morphology, and Structure of Ultrafine ZnS–ZnO Powders Alloyed with Transition Metal Oxides.

Published in:

Physics of Metals & Metallography, 2024, v. 125, n. 5, p. 492, doi. 10.1134/S0031918X24600143

By:

Ravikumar, R. V. S. S. N.;
Nemallapudi, B. R.;
Gundala, S.;
Markov, V. F.;
Maskaeva, L. N.;
Ishchenko, A. V.;
Skornyakov, L. G.;
Chukin, A. V.;
Kovalev, I. S.;
Zyryanov, G. V.

Publication type:

Article

Chemical Composition of the Uranium Tail Storages at Kadji-Sai (Southern Shore of Issyk-Kul Lake, Kyrgyzstan).

Published in:

Water, Air & Soil Pollution, 2004, v. 154, n. 1-4, p. 71, doi. 10.1023/B:WATE.0000022929.61233.84

By:

Gavshin, V. M.;
Sukhorukov, F. V.;
Bobrov, V. A.;
Melgunov, M. S.;
Miroshnichenko, L. V.;
Klerkx, J.;
Kovalev, S. I.;
Romashkin, P. A.

Publication type:

Article

Cesium-137 in the environment of the Altay Region (Russia).

Published in:

Water, Air & Soil Pollution, 2000, v. 118, n. 3-4, p. 395, doi. 10.1023/A:1005130004871

By:

Sukhorukov, F. V.;
Gavshin, V. M.;
Malikova, I. N.;
Kovalev, S. I.;
Malikov, Yu. I.;
Romashkin, P. A.

Publication type:

Article

Transformation of Surface Magnetostatic Waves Channeled by a Step Bias Field.

Published in:

Technical Physics, 2002, v. 47, n. 6, p. 737, doi. 10.1134/1.1486198

By:

Annenkov, A. Yu.;
Gerus, S. V.;
Kovalev, S. I.

Publication type:

Article

Numerical simulation of quasisurface magnetostatic waves in a ferrite film with two magnetic channels.

Published in:

Technical Physics, 1998, v. 43, n. 2, p. 216, doi. 10.1134/1.1258970

By:

Annenkov, A. Yu.;
Gerus, S. V.;
Kovalev, S. I.

Publication type:

Article

An Effective Synthetic Approach to of 2-([5'-Aryl-2,2'-bipyridin]-6-yl)-5-aryl-1,3,4-oxadiazoles.

Published in:

Russian Journal of Organic Chemistry, 2023, v. 59, n. 8, p. 1445, doi. 10.1134/S1070428023080195

By:

Valieva, M. I.;
Starnovskaya, E. S.;
Kopchuk, D. S.;
Sharafieva, E. R.;
Slovesnova, N. V.;
Kovalev, I. S.;
Nosova, E. V.;
Zyryanov, G. V.;
Chupakhin, O. N.

Publication type:

Article

Transformations of 2-(1-Chloroethenyl)naphthalene in the Presence of Glass-Supported Pd(0) Nanoparticles.

Published in:

Russian Journal of Organic Chemistry, 2023, v. 59, n. 7, p. 1248, doi. 10.1134/S1070428023070175

By:

Mohammed, M. S.;
Kovalev, I. S.;
Volkova, N. N.;
Zyryanov, G. V.;
Ranu, B. C.;
Chupakhin, O. N.

Publication type:

Article

Solvent-Free Synthesis of 2-[(Di)aminophenyl]-1,3,4-oxadiazoles.

Published in:

Russian Journal of Organic Chemistry, 2022, v. 58, n. 7, p. 1064, doi. 10.1134/S1070428022070181

By:

Krinochkin, A. P.;
Shtaitz, Ya. K.;
Savchuk, M. I.;
Kopchuk, D. S.;
Slovesnova, N. V.;
Kovalev, I. S.;
Nosova, E. V.;
Zyryanov, G. V.;
Chupakhin, O. N.

Publication type:

Article

Conditions for the Synthesis of 4,5-Diaryl-3-hydroxy-2,2'-bipyridine-6-carbonitriles by the Reaction of 1,2,4-Triazine-5-carbonitriles with 2-Aminooxazoles.

Published in:

Russian Journal of Organic Chemistry, 2022, v. 58, n. 2, p. 175, doi. 10.1134/S1070428022020026

By:

Rammohan, A.;
Krinochkin, A. P.;
Kopchuk, D. S.;
Shtaitz, Ya. K.;
Kovalev, I. S.;
Savchuk, M. I.;
Zyryanov, G. V.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

Efficient Synthesis of 5-[3(4)-(5-Phenyl-1,3,4-oxаdiаzol-2-yl)-anilino]-1,2,4-triаzines.

Published in:

Russian Journal of Organic Chemistry, 2021, v. 57, n. 10, p. 1753, doi. 10.1134/S1070428021100262

By:

Krinochkin, А. P.;
Guda, M. R.;
Kopchuk, D. S.;
Slovesnova, N. V.;
Kovalev, I. S.;
Savchuk, M. I.;
Shtaitz, Ya. K.;
Starnovskaya, E. S.;
Zyryanov, G. V.;
Chupakhin, O. N.

Publication type:

Article

Polynuclear Aromatic Amines as N-Nucleophiles in the ipso-Substitution of the Cyano Group in 1,2,4-Triazines.

Published in:

Russian Journal of Organic Chemistry, 2020, v. 56, n. 2, p. 335, doi. 10.1134/S1070428020010268

By:

Starnovskaya, E. S.;
Savchuk, M. I.;
Shtaitz, Ya. K.;
Kopchuk, D. S.;
Kovalev, I. S.;
Pavlyuk, D. E.;
Khasanov, A. F.;
Zyryanov, G. V.;
Chupakhin, O. N.

Publication type:

Article

A Convenient Synthetic Approach to Phenazone Derivatives Containing a 1,2,4-Triazine or Pyridine Fragment.

Published in:

Russian Journal of Organic Chemistry, 2019, v. 55, n. 6, p. 886, doi. 10.1134/S1070428019060228

By:

Kovalev, I. S.;
Savchuk, M. I.;
Kopchuk, D. S.;
Zyryanov, G. V.;
Pospelova, T. A.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

Reactions of Perylene with Aryne Intermediates.

Published in:

Russian Journal of Organic Chemistry, 2019, v. 55, n. 3, p. 409, doi. 10.1134/S1070428019030278

By:

Pavlyuk, D. E.;
Gundala, S.;
Kovalev, I. S.;
Kopchuk, D. S.;
Krinochkin, A. P.;
Budeev, A. V.;
Zyryanov, G. V.;
Venkatapuram, P.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

One-Step Synthesis of 5-Methyl-1,2,4-triazines by the Transformation of Their 5-Phenacyl Derivatives.

Published in:

Russian Journal of Organic Chemistry, 2019, v. 55, n. 2, p. 266, doi. 10.1134/S1070428019020210

By:

Krinochkin, A. P.;
Kopchuk, D. S.;
Kovalev, I. S.;
Zyryanov, G. V.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

A Modified Synthesis of 6-Aryl-3-(6-R-pyridin-2-yl)-1,2,4-triazines.

Published in:

Russian Journal of Organic Chemistry, 2018, v. 54, n. 10, p. 1576, doi. 10.1134/S107042801810024X

By:

Shabunina, O. V.;
Starnovskaya, E. S.;
Shtaits, Ya. K.;
Kopchuk, D. S.;
Kovalev, I. S.;
Zyryanov, G. V.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article

Substitution of Cyano Group in Position 5 of 1,2,4-Triazines by Carboxylic Acid Hydrazide Residues under Solvent-Free Conditions.

Published in:

Russian Journal of Organic Chemistry, 2018, v. 54, n. 3, p. 509, doi. 10.1134/S1070428018030223

By:

Kopchuk, D. S.;
Krinochkin, A. P.;
Starnovskaya, E. S.;
Shtaitz, Ya. K.;
Kovalev, I. S.;
Zyryanov, G. V.;
Rusinov, V. L.;
Chupakhin, O. N.

Publication type:

Article