Works matching AU Ushakov, Igor A.

Results: 86

Conformational analysis of 3-methyl-3-silathiane and 3-fluoro-3-methyl-3-silathiane.

Published in:

Journal of Physical Organic Chemistry, 2011, v. 24, n. 4, p. 320, doi. 10.1002/poc.1758

By:

Kirpichenko, Svetlana V.;
Kleinpeter, Erich;
Ushakov, Igor A.;
Shainyan, Bagrat A.

Publication type:

Article

Front Cover: Transition‐Metal‐Free Addition of Acetylenes to Ketimines: the First Base‐Catalyzed Ethynylation of the C=N Bond (Eur. J. Org. Chem. 35/2018).

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 35, p. 4826, doi. 10.1002/ejoc.201801322

By:

Bidusenko, Ivan A.;
Schmidt, Elena Yu.;
Ushakov, Igor A.;
Trofimov, Boris A.

Publication type:

Article

Transition‐Metal‐Free Addition of Acetylenes to Ketimines: the First Base‐Catalyzed Ethynylation of the C=N Bond.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 35, p. 4845, doi. 10.1002/ejoc.201800850

By:

Bidusenko, Ivan A.;
Schmidt, Elena Yu.;
Ushakov, Igor A.;
Trofimov, Boris A.

Publication type:

Article

Assembly of Trifluoromethylated Morpholines through Cascade Reactions of Bromoenones with Secondary Amino Alcohols.

Published in:

European Journal of Organic Chemistry, 2018, v. 2018, n. 30, p. 4202, doi. 10.1002/ejoc.201800659

By:

Rulev, Alexander Yu.;
Romanov, Alexey R.;
Kondrashov, Evgeniy V.;
Ushakov, Igor A.;
Muzalevskiy, Vasiliy M.;
Nenajdenko, Valentine G.

Publication type:

Article

Synthesis of Uniquely Functionalized Pyrrolines from Hydroxypyrrolines.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 31, p. 4609, doi. 10.1002/ejoc.201700776

By:

Dvorko, Marina Yu.;
Shabalin, Dmitrii A.;
Schmidt, Elena Yu.;
Ushakov, Igor A.;
Trofimov, Boris A.

Publication type:

Article

One-Pot, Atom and Step Economy (PASE) Assembly of Trifluoromethylated Pyrimidines from CF3-Ynones.

Published in:

European Journal of Organic Chemistry, 2017, v. 2017, n. 28, p. 4121, doi. 10.1002/ejoc.201700727

By:

Romanov, Alexey R.;
Rulev, Alexander Yu.;
Ushakov, Igor A.;
Muzalevskiy, Vasiliy M.;
Nenajdenko, Valentine G.

Publication type:

Article

Organic Superbases in Annulation with Propargylic Alcohols: Straightforward Synthesis of the Functionalized Oxazolopyrrolohexahydropyrimidine and Oxazolohexahydropyrimidoazepine Scaffolds.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 33, p. 5465, doi. 10.1002/ejoc.201600977

By:

Trofimov, Boris A.;
Shemyakina, Olesya A.;
Mal'kina, Anastasiya G.;
Stepanov, Anton V.;
Volostnykh, Ol'ga G.;
Ushakov, Igor' A.;
Vashchenko, Alexander V.

Publication type:

Article

Multichannel Reaction of α-Bromoenones with 1,2-Diamines: Synthesis of 1,4-Diazabicyclo[4.1.0]hept-4-enes by Reaction with N-Unsubstituted 1,2-Diamines.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 8, p. 1612, doi. 10.1002/ejoc.201501584

By:

Muzalevskiy, Vasily M.;
Rulev, Alexander Yu.;
Kondrashov, Evgeniy V.;
Romanov, Alexey R.;
Ushakov, Igor A.;
Chertkov, Vyacheslav A.;
Nenajdenko, Valentine G.

Publication type:

Article

(Imidazol-2-yl)methyl-1,3-propanediones: Regioselective C-H Functionalization of the Imidazole Ring by Acylacetylene/Aldehyde Pairs.

Published in:

European Journal of Organic Chemistry, 2016, v. 2016, n. 6, p. 1199, doi. 10.1002/ejoc.201501617

By:

Trofimov, Boris A.;
Andriyankova, Ludmila V.;
Nikitina, Lina P.;
Belyaeva, Kseniya V.;
Mal'kina, Anastasiya G.;
Bagryanskaya, Irina Yu.;
Afonin, Andrei V.;
Ushakov, Igor A.

Publication type:

Article

Two-Step Regioselective Synthesis of 3-(Sulfonylamino)imidazo-[1,2-α]pyrimidines from 2-Aminopyrimidines and N-(2,2-Dichloro-2-phenylethylidene)arensulfonamides.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 29, p. 6547, doi. 10.1002/ejoc.201402695

By:

Rozentsveig, Igor B.;
Serykh, Valery Yu.;
Chernysheva, Gulnur N.;
Kondrashov, Evgeniy V.;
Fedotova, Alena I.;
Ushakov, Igor A.;
Tretyakov, Evgeny V.;
Romanenko, Galina V.

Publication type:

Article

Reaction of Tri(2-pyridyl)phosphine with Electron-Deficient Alkynes in Water: Stereoselective Synthesis of Functionalized Pyridylvinylphosphine Oxides.

Published in:

European Journal of Organic Chemistry, 2014, v. 2014, n. 3, p. 639, doi. 10.1002/ejoc.201301453

By:

Arbuzova, Svetlana N.;
Gusarova, Nina K.;
Glotova, Tatyana E.;
Ushakov, Igor A.;
Verkhoturova, Svetlana I.;
Korocheva, Anastasiya O.;
Trofimov, Boris A.

Publication type:

Article

Synthesis and Optical Properties of Difluorobora- s-diazaindacene Dyes with Trifluoromethyl meso-Substituents.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 19, p. 4107, doi. 10.1002/ejoc.201300212

By:

Sobenina, Lyubov N.;
Petrova, Olga V.;
Petrushenko, Konstantin B.;
Ushakov, Igor A.;
Mikhaleva, Albina I.;
Meallet‐Renault, Rachel;
Trofimov, Boris A.

Publication type:

Article

Superbase-Promoted Selective Cascade Cyclization Reaction of 1,5-Diketones with Acetylenes to Methylene-6,8-dioxabicyclo[3.2.1]octanes.

Published in:

European Journal of Organic Chemistry, 2013, v. 2013, n. 12, p. 2453, doi. 10.1002/ejoc.201201700

By:

Schmidt, Elena Yu.;
Bidusenko, Ivan A.;
Protsuk, Nadezhda I.;
Ushakov, Igor A.;
Trofimov, Boris A.

Publication type:

Article

Experimental and Theoretical Study of an Intramolecular CF3-Group Shift in the Reactions of α-Bromoenones with 1,2-Diamines.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 47, p. 16982, doi. 10.1002/chem.201502706

By:

Muzalevskiy, Vasily M.;
Ustynyuk, Yury A.;
Gloriozov, Igor P.;
Chertkov, Vyacheslav A.;
Rulev, Alexander Yu.;
Kondrashov, Evgeniy V.;
Ushakov, Igor A.;
Romanov, Alexey R.;
Nenajdenko, Valentine G.

Publication type:

Article

Furans Conjugated with Bulky Aromatic Systems: One-Pot Synthesis from Ketones and Acetylene.

Published in:

Chemistry - A European Journal, 2015, v. 21, n. 45, p. 15944, doi. 10.1002/chem.201503256

By:

Schmidt, Elena Yu;
Bidusenko, Ivan A.;
Cherimichkina, Natalia A.;
Ushakov, Igor A.;
Borodina, Tatyana N.;
Smirnov, Vladimir I.;
Trofimov, Boris A.

Publication type:

Article

One‐Pot Synthesis of 2‐Substituted‐4,5‐dimethyloxazoles from Amides and Acetylene Gas in the KOH/MeOH/DMSO Catalytic Triad.

Published in:

Advanced Synthesis & Catalysis, 2025, v. 367, n. 2, p. 1, doi. 10.1002/adsc.202400953

By:

Schmidt, Elena Yu.;
Semenova, Nadezhda V.;
Ivanova, Evgeniya E.;
Ushakov, Igor A.;
Bidusenko, Ivan A.;
Bobkov, Alexander S.;
Vitkovskaya, Nadezhda M.;
Trofimov, Boris A.

Publication type:

Article

Superbase-Catalyzed [4+2] Cycloaddition of Acetylenes to 3,6-Di(pyrrol-2-yl)-1,2,4,5-tetrazine: A Facile Synthesis of 3,6-Di(pyrrol-2-yl)pyridazines.

Published in:

Advanced Synthesis & Catalysis, 2013, v. 355, n. 8, p. 1535, doi. 10.1002/adsc.201300129

By:

Trofimov, Boris A.;
Glotova, Tatyana E.;
Shabalin, Dmitrii A.;
Dvorko, Marina Yu.;
Ushakov, Igor A.;
Schmidt, Elena Yu.;
Kuzmin, Anton V.;
Mikhaleva, Al'bina I.

Publication type:

Article

Thurst of Life: Two Gnedenko's Visits to the United States.

Published in:

Reliability: Theory & Applications, 2017, v. 12, n. 3, p. 67

By:

Ushakov, Igor

Publication type:

Article

Object Oriented Commonalities in Universal Generating Function for Reliability and in C++.

Published in:

Reliability: Theory & Applications, 2017, v. 12, n. 3, p. 59

By:

Ushakov, Igor;
Chakravarty, Sumantra

Publication type:

Article

Is Reliability Theory Still Alive?

Published in:

Reliability: Theory & Applications, 2017, v. 12, n. 3, p. 45

By:

Ushakov, Igor

Publication type:

Article

SOFTWARE RELIABILITY. WHAT IS IT?

Published in:

Reliability: Theory & Applications, 2013, v. 8, n. 4, p. 60

By:

Maevsky, Dmitry A.;
Ushakov, Igor A.;
Shapa, Ludmila N.

Publication type:

Article

OPTIMAL REDUNDANCY IN SYSTEMS WITH MULTI-LEVEL UNITS.

Published in:

Reliability: Theory & Applications, 2013, v. 8, n. 1, p. 41

By:

Ushakov, Igor

Publication type:

Article

U- FUNCTION IN APPLICATIONS.

Published in:

Reliability: Theory & Applications, 2012, v. 7, n. 3, p. 78

By:

Ushakov, Igor

Publication type:

Article

UNIVERSAL GENERATING FUNCTION & OPTIMAL REDUNDANCY PROBLEMS.

Published in:

Reliability: Theory & Applications, 2012, v. 7, n. 2, p. 28

By:

Ushakov, Igor

Publication type:

Article

SENSITIVITY ANALYSIS OF OPTIMAL REDUNDANCY SOLUTIONS.

Published in:

Reliability: Theory & Applications, 2012, v. 7, n. 2, p. 7

By:

Ushakov, Igor

Publication type:

Article

RELIABILITY THEORY: HISTORY & CURRENT STATE IN BIBLIOGRAPHIES.

Published in:

Reliability: Theory & Applications, 2012, v. 7, n. 1, p. 8

By:

Ushakov, Igor

Publication type:

Article

Selective Synthesis of Functionalized 3(2H)‐Furanones via Tandem Michael Addition/Rearrangement/Cyclization Reaction of Aliphatic Alkynones: A Combined Experimental and Theoretical Study.

Published in:

European Journal of Organic Chemistry, 2024, v. 27, n. 17, p. 1, doi. 10.1002/ejoc.202400133

By:

Karnakova, Sofia O.;
Kuzmin, Anton V.;
Ushakov, Igor' A.;
Shabalin, Dmitrii A.

Publication type:

Article

Superbase‐Catalyzed Steric‐Hindrance‐Induced Dimerization of Alkynones to Highly Functionalized Furans.

Published in:

European Journal of Organic Chemistry, 2023, v. 26, n. 8, p. 1, doi. 10.1002/ejoc.202201464

By:

Dvorko, Marina Yu.;
Shabalin, Dmitrii A.;
Ushakov, Igor A.;
Schmidt, Elena Yu.;
Trofimov, Boris A.

Publication type:

Article

Competition between Two Modes of 6π‐Photocyclization: A Case Study for 3‐(1,2‐Diarylvinyl)‐2‐arylimidazo[1,2‐a]pyridines.

Published in:

European Journal of Organic Chemistry, 2022, v. 2022, n. 37, p. 1, doi. 10.1002/ejoc.202200921

By:

Ustyuzhanin, Alexander O.;
Bidusenko, Ivan A.;
Kouame, Eric Koffi;
Ushakov, Igor A.;
Gudovannyy, Alexey O.;
Lyssenko, Konstantin A.;
Schmidt, Elena Yu.;
Lvov, Andrey G.

Publication type:

Article

Regioselectivity of the Conjugate Addition of Amines to Dissymmetrical Pull‐Pull Alkenes.

Published in:

European Journal of Organic Chemistry, 2021, v. 2021, n. 22, p. 3278, doi. 10.1002/ejoc.202100325

By:

Rulev, Alexander Yu.;
Zubkov, Ilya N.;
Ushakov, Igor A.;
Semenov, Valentin A.;
Vashchenko, Alexander V.;
Maddaluno, Jacques

Publication type:

Article

Functionalized Thieno[3,2‐b]pyrroles from Acylthiophenes, Acetylene Gas and Hydrazines in Two Steps.

Published in:

European Journal of Organic Chemistry, 2021, v. 2021, n. 19, p. 2802, doi. 10.1002/ejoc.202100377

By:

Schmidt, Elena Yu.;
Semenova, Nadezhda V.;
Tatarinova, Inna V.;
Ushakov, Igor A.;
Vashchenko, Alexander V.;
Trofimov, Boris A.

Publication type:

Article

Functionalized Hexahydropyrrolo[2,1-b]oxazoles from Catalyst-Free Annulation of Δ¹-Pyrrolines with Electron-Deficient Propargylic Alcohols.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 27, p. 4181, doi. 10.1002/ejoc.202000582

By:

Oparina, Ludmila A.;
Shabalin, Dmitrii A.;
Mal'kina, Anastasiya G.;
Kolyvanov, Nikita A.;
Grishchenko, Lyudmila A.;
Ushakov, Igor' A.;
Vashchenko, Alexander V.;
Trofimov, Boris A.

Publication type:

Article

Halogenation of Electron-Deficient Vicinal Substituted Alkenes: Regio- and Stereoselectivity.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 27, p. 4130, doi. 10.1002/ejoc.202000394

By:

Zubkov, Ilya N.;
Ushakov, Igor A.;
Chipanina, Nina N.;
Yu. Rulev, Alexander

Publication type:

Article

Head‐to‐Tail Dimerization of 4‐Fluoroacetophenone in the KOH/DMSO Superbase Suspension and Related SNAr Reaction.

Published in:

European Journal of Organic Chemistry, 2020, v. 2020, n. 23, p. 3480, doi. 10.1002/ejoc.202000454

By:

Bidusenko, Ivan A.;
Schmidt, Elena Yu.;
Ushakov, Igor' A.;
Orel, Vladimir B.;
Absalyamov, Damir Z.;
Vitkovskaya, Nadezhda M.;
Trofimov, Boris A.

Publication type:

Article

Synthesis of α‐Acyloxy‐α′‐hydroxy Ketones via Cyclic Carbonate Intermediates Generated from Tertiary Bromopropargylic Alcohols and Cs2CO3.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 42, p. 7117, doi. 10.1002/ejoc.201901226

By:

Shemyakina, Olesya A.;
Volostnykh, Ol'ga G.;
Stepanov, Anton V.;
Ushakov, Igor' A.

Publication type:

Article

Superbase‐Promoted Addition of Acetylene Gas to the C=N Bond.

Published in:

European Journal of Organic Chemistry, 2019, v. 2019, n. 34, p. 5875, doi. 10.1002/ejoc.201900932

By:

Schmidt, Elena Yu.;
Bidusenko, Ivan A.;
Protsuk, Nadezhda I.;
Demyanov, Yan V.;
Ushakov, Igor A.;
Trofimov, Boris A.

Publication type:

Article

Base-Catalyzed Stereoselective Vinylation of Ketones with Arylacetylenes: A New C(sp3)C(sp2) Bond-Forming Reaction.

Published in:

Chemistry - A European Journal, 2010, v. 16, n. 28, p. 8516, doi. 10.1002/chem.201000227

By:

Trofimov, Boris A.;
Schmidt, Elena Yu.;
Ushakov, Igor' A.;
Zorina, Nadezhda V.;
Skital'tseva, Elena V.;
Protsuk, Nadezhda I.;
Mikhaleva, Al'bina I.

Publication type:

Article

Synthesis and Optical Properties of 2-(Benzo[ b]thiophene-3-yl)pyrroles and a New BODIPY Fluorophore (BODIPY=4,4-Difluoro-4-bora-3 a,4 a-diaza- s-indacene).

Published in:

Chemistry - A European Journal, 2009, v. 15, n. 23, p. 5823, doi. 10.1002/chem.200802467

By:

Schmidt, Elena Yu.;
Trofimov, Boris A.;
Mikhaleva, Al'bina I.;
Zorina, Nadezhda V.;
Protzuk, Nadezhda I.;
Petrushenko, Konstantin B.;
Ushakov, Igor A.;
Dvorko, Marina Yu.;
Méallet-Renault, Rachel;
Clavier, Gilles;
Vu, Thanh Truc;
Tran, Ha Thanh Thao;
Pansu, Robert B.

Publication type:

Article

Changes in the NMR characteristics of 3,6-di- tert-butylquinone on formation of paramagnetic complexes.

Published in:

Magnetic Resonance in Chemistry, 2013, v. 51, n. 10, p. 636, doi. 10.1002/mrc.3993

By:

Voronov, Vladimir K.;
Ushakov, Igor А.;
Grishmanovskii, Dmitrii S.;
Cherkasov, Vladimir K.

Publication type:

Article

Structural peculiarities of configurational isomers of 1-styrylpyrroles according to 1Н, 13С and 15N NMR spectroscopy and density functional theory calculations: electronic and steric hindrance for planar structure

Published in:

Magnetic Resonance in Chemistry, 2013, v. 51, n. 6, p. 339, doi. 10.1002/mrc.3951

By:

Afonin, Andrei V.;
Ushakov, Igor A.;
Pavlov, Dmitry V.;
Schmidt, Elena Yu.;
Dvorko, Marina Yu.

Publication type:

Article

Stereospecificity of 1H, 13C and 15N shielding constants in the isomers of methylglyoxal bisdimethylhydrazone: problem with configurational assignment based on 1H chemical shifts.

Published in:

Magnetic Resonance in Chemistry, 2012, v. 50, n. 7, p. 502, doi. 10.1002/mrc.3828

By:

Afonin, Andrei V.;
Pavlov, Dmitry V.;
Ushakov, Igor A.;
Keiko, Natalia A.

Publication type:

Article

Peculiarities of intramolecular exchange and valence tautomerism in metal semiquinolates determined by high-resolution NMR spectroscopy.

Published in:

Magnetic Resonance in Chemistry, 2012, v. 50, n. 5, p. 350, doi. 10.1002/mrc.3799

By:

Voronov, Vladimir K.;
Ushakov, Igor A.;
Shmelev, Vadim V.;
Sagdeev, Dmitry R.

Publication type:

Article

Comparative analysis of hydrogen bonding with participation of the nitrogen, oxygen and sulfur atoms in the 2(2′-heteroaryl)pyrroles and their trifluoroacetyl derivatives based on the 1H, 13C, 15N spectroscopy and DFT calculations

Published in:

Magnetic Resonance in Chemistry, 2008, v. 46, n. 5, p. 441, doi. 10.1002/mrc.2197

By:

Afonin, Andrei V.;
Vashchenko, Alexander V.;
Ushakov, Igor A.;
Zorina, Nadezhda V.;
Schmidt, Elena Yu.

Publication type:

Article

Bifurcated hydrogen-bonding effect on the shielding and coupling constants in trifluoroacetyl pyrroles as studied by 1H, 13C and 15N NMR spectroscopy and DFT calculations.

Published in:

Magnetic Resonance in Chemistry, 2007, v. 45, n. 3, p. 220, doi. 10.1002/mrc.1949

By:

Afonin, Andrei V.;
Ushakov, Igor A.;
Mikhaleva, Al'bina I.;
Trofimov, Boris A.

Publication type:

Article

Different types of hydrogen bonds in 2-substituted pyrroles and 1-vinyl pyrroles as monitored by 1H, 13C and 15N NMR spectroscopy and ab initio calculations.

Published in:

Magnetic Resonance in Chemistry, 2006, v. 44, n. 1, p. 59, doi. 10.1002/mrc.1727

By:

Afonin, Andrei V.;
Ushakov, Igor A.;
Sobenina, Lyubov' N.;
Stepanova, Zinaida V.;
Petrova, Ol'ga V.;
Trofimov, Boris A.

Publication type:

Article

Influence of the CH· · ·N intramolecular interaction on the spatial structures and 1H and 13C NMR parameters of heteroaryl vinyl ethers and sulfides.

Published in:

Magnetic Resonance in Chemistry, 2003, v. 41, n. 8, p. 557, doi. 10.1002/mrc.1215

By:

Andrei V. Afonin;
Igor A. Ushakov;
Svetlana Yu. Kuznetsova;
Lyudmila V. Andriyankova

Publication type:

Article

C-H···X (X = N, O, S) intramolecular interaction in 1-vinyl-2-(2′-heteroaryl)pyrroles as monitored by 1H and 13C NMR spectroscopy.

Published in:

Magnetic Resonance in Chemistry, 2002, v. 40, n. 2, p. 114, doi. 10.1002/mrc.969

By:

Afonin, Andrei V.;
Ushakov, Igor A.;
Kuznetsova, Svetlana Yu.;
Petrova, Ol'ga V.;
Schmidt, Elena Yu.;
Mikhaleva, Al'bina I.

Publication type:

Article

A Cohort Mortality Study Among Soviet an d Russian Cosmonauts, 1961-2014.

Published in:

Aerospace Medicine & Human Performance, 2017, v. 88, n. 12, p. 1060, doi. 10.3357/AMHP.4701.2017

By:

Ushakov, Igor B.;
Voronkov, Yuri I.;
Bukhtiyarov, Igor V.;
Tikhonova, Galina I.;
Gorchakova, Tatyana Yu.;
Bryleva, Mariya S.

Publication type:

Article

2-Arylazo-1-vinylpyrroles: A Novel Promising Family of Reactive Dyes.

Published in:

European Journal of Organic Chemistry, 2006, v. 2006, n. 17, p. 4021, doi. 10.1002/ejoc.200600357

By:

Boris A. Trofimov;
Elena Yu. Schmidt;
Al’bina I. Mikhaleva;
Alexander M. Vasil’tsov;
Alexey B. Zaitsev;
Natalia S. Smolyanina;
Elena Yu. Senotrusova;
Andrey V. Afonin;
Igor’ A. Ushakov;
Konstantin B. Petrushenko;
Olga N. Kazheva;
Oleg A. Dyachenko;
Vladimir V. Smirnov;
Alexander F. Schmidt;
Marina V. Markova;
Ludmila V. Morozova

Publication type:

Article

Synthesis, Structure, and Spectral Properties of Bis(pyrrol-2-yl)pyridines.

Published in:

European Journal of Organic Chemistry, 2005, v. 2005, n. 20, p. 4338, doi. 10.1002/ejoc.200500336

By:

Boris A. Trofimov;
Alexander M. Vasil'tsov;
Elena Yu. Schmidt;
Nadezhda V. Zorina;
Andrey V. Afonin;
Al'bina I. Mikhaleva;
Konstantin B. Petrushenko;
Igor A. Ushakov;
Leonid B. Krivdin;
Vitaly K. Belsky;
Lyubov I. Bryukvina

Publication type:

Article