R. A. Irgashev: search on Z-Library

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1

The first synthesis of 3-hydroxy-2-(polyfluoroalkyl)chromones and their ammonium salts. 3-hydroxychromone in the Mannich reaction

Roman A. Irgashev, Vyacheslav Ya. Sosnovskikh, Anna A. Sokovnina, Gerd-Volker Röschenthaler

Journal:

Journal of Heterocyclic Chemistry

Year:

2010

Language:

english

File:

PDF, 279 KB

english, 2010

2

Synthesis of 3-(Azolylmethylene)Chroman-4-ones via Addition of Indoles and N-Methylpyrrole to 3-(Polyfluoroacyl)Chromones

Vyacheslav Ya. Sosnovskikh, Bentham Science Publisher, Roman A. Irgashev, Bentham Science Publisher

Journal:

Letters in Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 179 KB

english, 2007

3

Stereoselective hetero-Diels–Alder reaction of 3-(trifluoroacetyl)chromones with cyclic enol ethers: synthesis of 3-aroyl-2-(trifluoromethyl)pyridines with ω-hydroxyalkyl groups

Vyacheslav Ya. Sosnovskikh, Roman A. Irgashev, Igor A. Khalymbadzha, Pavel A. Slepukhin

Journal:

Tetrahedron Letters

Year:

2007

Language:

english

File:

PDF, 211 KB

english, 2007

4

Reactions of 3-(polyfluoroacyl)chromones with hydroxylamine. The first synthesis of 3-cyano-2-(polyfluoroalkyl)chromones

Vyacheslav Ya. Sosnovskikh, Vladimir S. Moshkin, Roman A. Irgashev

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 132 KB

english, 2006

5

A Novel and Convenient Synthesis of 3-(Polyhaloacyl)chromones Using Diethoxymethyl Acetate

Sosnovskikh, Vyacheslav Ya., Irgashev, Roman A.

Journal:

Year:

2005

Language:

english

File:

PDF, 53 KB

english, 2005

6

Uncatalyzed addition of indoles and N-methylpyrrole to 3-formylchromones: synthesis and some reactions of (chromon-3-yl)bis(indol-3-yl)methanes and E-2-hydroxy-3-(1-methylpyrrol-2-ylmethylene)chroman-4-ones

Vyacheslav Ya. Sosnovskikh, Roman A. Irgashev, Anna A. Levchenko

Journal:

Year:

2008

Language:

english

File:

PDF, 426 KB

english, 2008

7

Reaction of 3-(polyfluoroacyl)chromones with hydrazines: new regioselective synthesis of RF-containing pyrazoles

V. Ya. Sosnovskikh, R. A. Irgashev, V. S. Moshkin, M. I. Kodess

Journal:

Russian Chemical Bulletin

Year:

2008

Language:

english

File:

PDF, 480 KB

english, 2008

8

Regioselective Synthesis of Novel Perfluoroalkylated Fused Pyridines and 3-(Aminomethylene)thiochroman-4-ones from 3-(Perfluoroalkanoyl)thiochromenones and Amines

Kotljarov, Anton, Sevenard, Dmitri, Iaroshenko, Viktor, Irgashev, Roman, Volochnyuk, Dmitriy, Langer, Peter, Tolmachev, Andrei, Sosnovskikh, Vyacheslav

Journal:

Year:

2010

Language:

english

File:

PDF, 134 KB

english, 2010

9

3-(Polyfluoroacyl)chromones and Their Hetero Analogues as Valuable Substrates for Syntheses of 4-(Polyfluoroalkyl)pyrimidines

Kotljarov, Anton, Irgashev, Roman, Iaroshenko, Viktor, Sevenard, Dmitri, Sosnovskikh, Vyacheslav

Journal:

Year:

2009

Language:

english

File:

PDF, 224 KB

english, 2009

10

Methyl 2-methoxytetrafluoropropionate as a synthetic equivalent of methyl trifluoropyruvate in the Claisen condensation. The first synthesis of 2-(trifluoroacetyl)chromones and 5-aryl-2-hydroxy-2-(trifluoromethyl)furan-3(2H)-ones

Roman A. Irgashev, Vyacheslav Ya. Sosnovskikh, Nataliya Kalinovich, Olesya Kazakova, Gerd-Volker Röschenthaler

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 290 KB

english, 2009

11

Uncatalyzed addition of indoles and N-methylpyrrole to 3-formylchromones: synthesis of (chromon-3-yl)bis(indol-3-yl)methanes and E-2-hydroxy-3-(1-methylpyrrol-2-ylmethylene)chroman-4-ones under solvent-free conditions

Vyacheslav Ya. Sosnovskikh, Roman A. Irgashev

Journal:

Tetrahedron Letters

Year:

2007

Language:

english

File:

PDF, 135 KB

english, 2007

12

Synthesis and some properties of 6-di(tri)fluoromethyl-and 5-di(tri)fluoroacetyl-3-methyl-1-phenylpyrano[2,3-c]pyrazol-4(1H)-ones

V. Ya. Sosnovskikh, M. A. Barabanov, B. I. Usachev, R. A. Irgashev, V. S. Moshkin

Journal:

Russian Chemical Bulletin

Year:

2005

Language:

english

File:

PDF, 429 KB

english, 2005

13

Reactions of 3-(Polyfluoroacyl)chromenones with Heterocyclic Amines: Novel Synthesis of Polyfluoroalkyl-Containing Fused Pyridines

A. Kotljarov, V. Iaroshenko, D. Volochnyuk, R. Irgashev, V. Sosnovskikh

Year:

2009

Language:

english

File:

PDF, 244 KB

english, 2009

14

Synthesis and some properties of 2-(polyfluoroalkyl)chroman-4-ols and 2-(polyfluoroalkyl)chroman-4-ones

V. Ya. Sosnovskikh, R. A. Irgashev, B. I. Usachev

Journal:

Russian Chemical Bulletin

Year:

2009

Language:

english

File:

PDF, 339 KB

english, 2009

15

Reactions of 3-polyfluoroacylchromones with primary amines

V. Ya. Sosnovskikh, R. A. Irgashev, M. A. Barabanov, V. S. Moshkin

Journal:

Russian Chemical Bulletin

Year:

2006

Language:

english

File:

PDF, 218 KB

english, 2006

16

Wear resistance of rolling-ball bearings operating in an abrasive medium

Mirzayev, Q. Q., Irgashev, A.

Journal:

Journal of Friction and Wear

Year:

2014

Language:

english

File:

PDF, 166 KB

english, 2014

17

3-(Polyhaloacyl)chromones and their Hetero Analogues: Synthesis and Reactions with Amines

Sosnovskikh, Vyacheslav, Irgashev, Roman, Barabanov, Mikhail

Journal:

Year:

2006

Language:

english

File:

PDF, 184 KB

english, 2006

18

6-Polyfluoroacyl- and 6-trichloroacetylnorkhellins: Synthesis and reaction with aromatic amines

Vyacheslav Ya. Sosnovskikh, Roman A. Irgashev

Journal:

Heteroatom Chemistry

Year:

2006

Language:

english

File:

PDF, 123 KB

english, 2006

19

One-pot three-component reaction of 3-(polyfluoroacyl)chromones with active methylene compounds and ammonium acetate: regioselective synthesis of novel RF-containing nicotinic acid derivatives

Vyacheslav Ya. Sosnovskikh, Roman A. Irgashev, Mikhail I. Kodess

Journal:

Year:

2008

Language:

english

File:

PDF, 331 KB

english, 2008

20

Synthesis of 2-(trifluoroacetyl)chromones and their reactions with 1,2-diamines

Irgashev, Roman A., Safrygin, Alexander V., Ezhikova, Marina A., Kodess, Mikhail I., Röschenthaler, Gerd-Volker, Sosnovskikh, Vyacheslav Y.

Journal:

Year:

2015

Language:

english

File:

PDF, 715 KB

english, 2015

21

Computational Procedure of a Gearing Module of Spur Gear Transmissions on Wear Resistance of Gearwheel Teeth

Shaabidov, Sh. A., Irgashev, B. A.

Journal:

Journal of Friction and Wear

Year:

2019

Language:

english

File:

PDF, 351 KB

english, 2019

22

Reaction of 3-trifluoroacetylchromones with diamines

V. Ya. Sosnovskikh, R. A. Irgashev, I. A. Khalymbadzha

Journal:

Russian Chemical Bulletin

Year:

2007

Language:

english

File:

PDF, 323 KB

english, 2007

23

Synthesis of 5-aryl-2-hydroxy-2-(trifluoromethyl)furan-3(2H)-ones and their reactions with aromatic 1,2-diamines, hydrazine and hydroxylamine

A. V. Safrygin, R. A. Irgashev, P. A. Slepukhin, G. Röschenthaler, V. Y. Sosnovskikh

Year:

2015

Language:

english

File:

PDF, 915 KB

english, 2015

24

Three-component synthesis of partially hydrogenated quinolines from 3-substituted chromones, dimedone, and ammonium acetate

V. Ya. Sosnovskikh, R. A. Irgashev, I. A. Demkovich

Journal:

Russian Chemical Bulletin

Year:

2008

Language:

english

File:

PDF, 304 KB

english, 2008

25

Reactions of 3-(polyfluoroacyl)chromones with indole andN-methylindole

V. Ya. Sosnovskikh, R. A. Irgashev

Journal:

Russian Chemical Bulletin

Year:

2006

Language:

english

File:

PDF, 245 KB

english, 2006

26

Reactions of 2-(trifluoroacetyl)chromones with aromatic amines

Safrygin, Alexander V., Vetyugova, Darya A., Irgashev, Roman A., Sosnovskikh, Vyacheslav Ya.

Journal:

Chemistry of Heterocyclic Compounds

Year:

2018

Language:

english

File:

PDF, 195 KB

english, 2018

27

ChemInform Abstract: Synthesis of a New Class of Carbinol Linked Bis-heterocycles via the Reaction of 2-(Trifluoroacetyl)chromones with Indoles and Pyrroles.

Safrygin, Alexander V., Irgashev, Roman A., Barabanov, Mikhail A., Sosnovskikh, Vyacheslav Y.

Journal:

Year:

2016

File:

PDF, 24 KB

2016

28

ChemInform Abstract: A Convenient Approach to the Design and Synthesis of Indolo[3,2-c]coumarins via the Microwave-Assisted Cadogan Reaction.

Irgashev, Roman A., Karmatsky, Arseny A., Slepukhin, Pavel A., Rusinov, Gennady L., Charushin, Valery N.

Journal:

Year:

2014

File:

PDF, 26 KB

2014

29

Novel push-pull thieno[2,3-b]indole-based dyes for efficient dye-sensitized solar cells (DSSCs)

Irgashev, Roman A., Karmatsky, Arseny A., Kim, Grigory A., Sadovnikov, Alexey A., Emets, Viktor V., Grinberg, Vitaly A., Ivanov, Vladimir K., Kozyukhin, Sergey A., Rusinov, Gennady L., Charushin, Vale

Journal:

Year:

2017

File:

PDF, 1.26 MB

2017

30

Spectral problem for an equation of high even order

B. Yu. Irgashev

Journal:

Russian Mathematics

Year:

2016

Language:

english

File:

PDF, 525 KB

english, 2016

31

A new and convenient synthetic way to 2-substituted thieno[2,3- b ]indoles

Irgashev, Roman A, Karmatsky, Arseny A, Rusinov, Gennady L, Charushin, Valery N

Journal:

Beilstein Journal of Organic Chemistry

Year:

2015

Language:

english

File:

PDF, 618 KB

english, 2015

32

ChemInform Abstract: Reactions of 3-(Polyfluoroacyl)chromenones with Heterocyclic Amines: Novel Synthesis of Polyfluoroalkyl-Containing Fused Pyridines.

Anton Kotljarov, Viktor O. Iaroshenko, Dmitriy M. Volochnyuk, Roman A. Irgashev, Vyacheslav Ya. Sosnovskikh

Journal:

Year:

2010

File:

PDF, 48 KB

2010

33

Alkaloids of Ziziphus jujuba the structure of juziphine and juzirine

R. Ziyaev, T. Irgashev, I. A. Israilov, N. D. Abdullaev, M. S. Yunusov, S. Yu. Yunusov

Journal:

Chemistry of Natural Compounds

Year:

1977

Language:

english

File:

PDF, 378 KB

english, 1977

34

Construction of 2,3-disubstituted benzo[ b ]thieno[2,3- d ]thiophenes and benzo[4,5]selenopheno[3,2- b ]thiophenes using the Fiesselmann thiophene synthesis

Irgashev, Roman A., Demina, Nadezhda S., Rusinov, Gennady L.

Journal:

Organic & Biomolecular Chemistry

Year:

2020

File:

PDF, 1.31 MB

2020

35

ChemInform Abstract: Reactions of 3-(Polyfluoroacyl)chromenones with Heterocyclic Amines: Novel Synthesis of Polyfluoroalkyl-Containing Fused Pyridines.

Anton Kotljarov, Viktor O. Iaroshenko, Dmitriy M. Volochnyuk, Roman A. Irgashev, Vyacheslav Ya. Sosnovskikh

Journal:

Year:

2010

File:

PDF, 44 KB

2010

36

The structure of severzinine

T. Irgashev, I. A. Israilov, M. S. Yunusov, S. Yu. Yunusov

Journal:

Chemistry of Natural Compounds

Year:

1978

Language:

english

File:

PDF, 153 KB

english, 1978

37

ChemInform Abstract: Synthesis of 4-(Thien-2-yl)-substituted Coumarins Through Lewis Acid Catalyzed Michael Addition of Thiophenes to 3-Benzoylcoumarins Followed by Oxidation.

Irgashev, Roman A., Karmatsky, Arseny A., Rusinov, Gennady L., Charushin, Valery N.

Journal:

Year:

2014

File:

PDF, 18 KB

2014

38

Synthesis, crystal structure and fluorescent properties of indolo[3,2- b ]carbazole-based metal-organic coordination polymers

Khan, Il Son, Samsonenko, Denis G., Irgashev, Roman A., Kazin, Nikita A., Rusinov, Gennady L., Charushin, Valery N., Zavakhina, Marina S., Fedin, Vladimir P.

Journal:

Year:

2017

Language:

english

File:

PDF, 526 KB

english, 2017

39

Synthesis, optical and electrochemical properties of new thieno[2,3-b]indole-based dyes

Bakiev, Artur N., Irgashev, Roman A., Shklyaeva, Elena V., Vasyanin, Aleksandr N., Abashev, George G., Rusinov, Gennady L., Charushin, Valery N.

Journal:

Year:

2018

Language:

english

File:

PDF, 1.87 MB

english, 2018

40

Construction of Singular Particular Solutions Expressed via Hypergeometric Functions for an Equation with Multiple Characteristics

Irgashev, B. Yu.

Journal:

Differential Equations

Year:

2020

File:

PDF, 162 KB

2020

41

ChemInform Abstract: 3-(Polyfluoroacyl)chromones and Their Hetero Analogues as Valuable Substrates for Syntheses of 4-(Polyfluoroalkyl)pyrimidines.

Anton Kotljarov, Roman A. Irgashev, Viktor O. Iaroshenko, Dmitri V. Sevenard, Vyacheslav Ya. Sosnovskikh

Journal:

Year:

2010

File:

PDF, 48 KB

2010

42

Alkaloids ofCorydalis gortschakovii

T. Irgashev, I. A. Israilov

Journal:

Chemistry of Natural Compounds

Year:

1984

Language:

english

File:

PDF, 70 KB

english, 1984

43

Synthesis of 4-arylamino-3-(trifluoromethyl)pyridazines and pyridazino[3,4-b]quinoxalines (as by-products) from 3-aroylmethyl-2-(trifluoromethyl)quinoxalines and hydrazine hydrate

Sosnovskikh, Vyacheslav, Safrygin, Alexander, Irgashev, Roman, Ezhikova, Marina, Kodess, Mikhail

Journal:

Year:

2016

Language:

english

File:

PDF, 1.25 MB

english, 2016

44

Stereoselective hetero-Diels–Alder reaction of 3-(polyfluoroacyl)chromones with enol ethers. Novel synthesis of 2-RF-containing nicotinic acid derivatives

Vyacheslav Ya. Sosnovskikh, Igor A. Khalymbadzha, Roman A. Irgashev, Pavel A. Slepukhin

Journal:

Year:

2008

Language:

english

File:

PDF, 572 KB

english, 2008

45

Synthesis of 4-(thien-2-yl)-substituted coumarins through Lewis acid catalyzed Michael addition of thiophenes to 3-benzoylcoumarins followed by oxidation

Irgashev, Roman A., Karmatsky, Arseny A., Rusinov, Gennady L., Charushin, Valery N.

Journal:

Tetrahedron Letters

Year:

2014

Language:

english

File:

PDF, 391 KB

english, 2014

46

Direct arylalkenylation of furazano[3,4-b]pyrazines via a new C–H functionalization protocol

Kazin, Nikita A., Kvashnin, Yuriy A., Irgashev, Roman A., Dehaen, Wim, Rusinov, Gennady L., Charushin, Valery N.

Journal:

Tetrahedron Letters

Year:

2015

Language:

english

File:

PDF, 2.70 MB

english, 2015

47

Boundary-Value Problem for a Degenerate High-Odd-Order Equation

Apakov, Yu. P., Irgashev, B. Yu.

Journal:

Ukrainian Mathematical Journal

Year:

2015

Language:

english

File:

PDF, 169 KB

english, 2015

48

ChemInform Abstract: Regioselective Synthesis of Novel Perfluoroalkylated Fused Pyridines and 3-(Aminomethylene)thiochroman-4-ones from 3-(Perfluoroalkanoyl)thiochromenones and Amines.

Anton Kotljarov, Dmitri V. Sevenard, Viktor O. Iaroshenko, Roman A. Irgashev, Dmitriy M. Volochnyuk, Peter Langer, Andrei A. Tolmachev, Vyacheslav Ya. Sosnovskikh

Journal:

Year:

2010

File:

PDF, 34 KB

2010

49

Synthesis and reactivity of 8-aza-5,7-dimethyl-2-trifluoroacetylchromone

Safrygin, Alexander V., Barabanov, Mikhail A., Irgashev, Roman A., Sosnovskikh, Vyacheslav Ya.

Journal:

Chemistry of Heterocyclic Compounds

Year:

2015

Language:

english

File:

PDF, 287 KB

english, 2015

50

Regioselective C2- and C8-Acylation of 5,11-Dihydroindolo[3,2-b]carbazoles and the Synthesis of Their 2,8-Bis(quinoxalinyl) Derivatives

Irgashev, Roman, Kazin, Nikita, Kim, Grigory, Rusinov, Gennady, Charushin, Valery

Journal:

Year:

2015

Language:

english

File:

PDF, 734 KB

english, 2015

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