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1

On the reaction of 3-cyanochromones with phenyl- and methylhydrazines: Structural revision and a simple synthesis of chromeno[4,3-c]pyrazol-4-ones

Vyacheslav Ya. Sosnovskikh, Vladimir S. Moshkin, Mikhail I. Kodess

Journal:

Journal of Heterocyclic Chemistry

Year:

2010

Language:

english

File:

PDF, 113 KB

english, 2010

2

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

3

Novel chemical modifications at the 4-position of chromones. Synthesis and reactivity of 4H-chromene-4-spiro-5′-isoxazolines and related compounds

Vyacheslav Ya. Sosnovskikh, Boris I. Usachev, Aleksei Yu. Sizov, Mikhail I. Kodess

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 269 KB

english, 2004

4

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

5

A simple and convenient synthesis of 3-[5-(trifluoromethyl)-1,2,3-triazol-4-yl]cinnamic acids from 4-aryl-6-(trifluoromethyl)-2H-pyran-2-ones and sodium azide

Boris I. Usachev, Sergey A. Usachev, Gerd-Volker Röschenthaler, Vyacheslav Ya. Sosnovskikh

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 270 KB

english, 2011

6

Highly regio- and stereoselective addition of aminoenones to 2-substituted 3-nitro-2H-chromenes. Unexpected synthesis of 5-(trifluoromethyl)-5H-chromeno[3,4-b]pyridines

Korotaev, Vladislav Yu., Barkov, Alexey Yu., Kutyashev, Igor B., Kotovich, Ivan V., Ezhikova, Marina A., Kodess, Mikhail I., Sosnovskikh, Vyacheslav Ya.

Journal:

Year:

2015

Language:

english

File:

PDF, 1016 KB

english, 2015

7

The First Synthesis of 4-Unsubstituted 3-(Trifluoroacetyl)coumarins by the Knoevenagel Condensation of Salicylaldehydes with Ethyl Trifluoroacetoacetate Followed by Chromene-Coumarin Recyclization

Chizhov, Dmitrii, Sosnovskikh, Vyacheslav, Pryadeina, Marina, Burgart, Yanina, Saloutin, Victor, Charushin, Valery

Journal:

Year:

2008

Language:

english

File:

PDF, 103 KB

english, 2008

8

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

9

ChemInform Abstract: On the Reaction of 3-Cyanochromones with Phenyl- and Methylhydrazines: Structural Revision and a Simple Synthesis of Chromeno[4,3-c]pyrazol-4-ones.

Vyacheslav Ya. Sosnovskikh, Vladimir S. Moshkin, Mikhail I. Kodess

Journal:

Year:

2010

Language:

english

File:

PDF, 34 KB

english, 2010

10

Synthesis of 3-substituted 2-trifluoro(trichloro)methyl-2H-chromenes by reaction of salicylaldehydes with activated trihalomethyl alkenes

Vladislav Yu. Korotaev, Igor B. Kutyashev, Vyacheslav Ya. Sosnovskikh

Journal:

Heteroatom Chemistry

Year:

2005

Language:

english

File:

PDF, 78 KB

english, 2005

11

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

12

Stereoselective tandem [4 + 2]/[3 + 2] cycloaddition reactions of 3,3,3-trichloro(trifluoro)-1-nitropropenes and 2,3-dihydrofuran

Vladislav Yu. Korotaev, Vyacheslav Ya. Sosnovskikh, Mikhail A. Barabanov, Alexey Yu. Barkov, Mikhail I. Kodess

Journal:

Mendeleev Communications

Year:

2010

Language:

english

File:

PDF, 339 KB

english, 2010

13

Nucleophilic trifluoromethylation of RF-containing 4-quinolones, 8-aza- and 1-thiochromones with (trifluoromethyl)trimethylsilane

Vyacheslav Ya. Sosnovskikh, Boris I. Usachev, Dmitri V. Sevenard, Gerd-Volker Röschenthaler

Journal:

Journal of Fluorine Chemistry

Year:

2005

Language:

english

File:

PDF, 221 KB

english, 2005

14

Synthesis of trifluoromethyl-substituted salicylates by cyclocondensation of 1,3-bis(silyloxy)-1,3-butadienes with 4,4-dimethylthio-1,1,1-trifluorobut-3-en-2-one

Viktor O. Iaroshenko, Alina Bunescu, Lutz Domke, Anke Spannenberg, Dmitri V. Sevenard, Alexander Villinger, Vyacheslav Ya. Sosnovskikh, Peter Langer

Journal:

Journal of Fluorine Chemistry

Year:

2011

Language:

english

File:

PDF, 686 KB

english, 2011

15

Stereoselective synthesis of N-unsubstituted pyrazolidines from 3-nitro-2-trichloromethyl-2H-chromenes and hydrazine hydrate

Vladislav Yu. Korotaev, Igor B. Kutyashev, Vyacheslav Ya. Sosnovskikh, Mikhail I. Kodess

Journal:

Mendeleev Communications

Year:

2007

Language:

english

File:

PDF, 269 KB

english, 2007

16

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

17

A simple and convenient synthesis of 4-methyl-3-nitro-2-trihalomethyl-2H-chromenes from N-unsubstituted imines of 2-hydroxyacetophenones and trichloro(trifluoro)ethylidene nitromethanes

Vladislav Yu. Korotaev, Vyacheslav Ya. Sosnovskikh, Igor B. Kutyashev, Alexey Yu. Barkov, Evgeniya G. Matochkina, Mikhail I. Kodess

Journal:

Year:

2008

Language:

english

File:

PDF, 297 KB

english, 2008

18

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

19

Reactions of 3-(polyfluoroacyl)chromones with hydroxylamine: synthesis of novel RF-containing isoxazole and chromone derivatives

Vyacheslav Ya. Sosnovskikh, Vladimir S. Moshkin, Mikhail I. Kodess

Journal:

Year:

2008

Language:

english

File:

PDF, 640 KB

english, 2008

20

Halogenation of fluorinated cyclic 1,3-dicarbonyl compounds: new aspects of synthetic application

Dmitri V. Sevenard, Mikhail Vorobyev, Vyacheslav Ya. Sosnovskikh, Helma Wessel, Olesya Kazakova, Vera Vogel, Nikolay E. Shevchenko, Valentine G. Nenajdenko, Enno Lork, Gerd-Volker Röschenthaler

Journal:

Year:

2009

Language:

english

File:

PDF, 570 KB

english, 2009

21

Stereoselective hetero-Diels–Alder reaction of 3-nitro-2-trihalomethyl-2H-chromenes with 2,3-dihydrofuran and ethyl vinyl ether under solvent-free conditions

Vladislav Yu. Korotaev, Vyacheslav Ya. Sosnovskikh, Mikhail A. Barabanov, Evgeniya S. Yasnova, Marina A. Ezhikova, Mikhail I. Kodess, Pavel A. Slepukhin

Journal:

Year:

2010

Language:

english

File:

PDF, 553 KB

english, 2010

22

Reactivity of 3-formyl- and 3-cyanothiochromones toward some N- and C-nucleophiles. Novel synthesis of 3-substituted 2-aminothiochromones

Vyacheslav Ya. Sosnovskikh, Dmitri V. Sevenard, Vladimir S. Moshkin, Viktor O. Iaroshenko, Peter Langer

Journal:

Year:

2010

Language:

english

File:

PDF, 538 KB

english, 2010

23

Regioselective 1,4-trifluoromethylation of α,β-enones using ‘protect-in-situ’ methodology

Dmitri V Sevenard, Vyacheslav Ya Sosnovskikh, Alexander A Kolomeitsev, Martin H Königsmann, Gerd-Volker Röschenthaler

Journal:

Tetrahedron Letters

Year:

2003

Language:

english

File:

PDF, 143 KB

english, 2003

24

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

25

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

26

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

27

Structural revision in the reactions of 3-cyanochromones with primary aromatic amines. Improved synthesis of 2-amino-3-(aryliminomethyl)chromones

Vyacheslav Ya. Sosnovskikh, Vladimir S. Moshkin, Mikhail I. Kodess

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 247 KB

english, 2009

28

Unusual ring-chain tautomerism in bicyclo[4.2.0]octane derivatives

Vladislav Yu. Korotaev, Alexey Yu. Barkov, Pavel A. Slepukhin, Mikhail I. Kodess, Vyacheslav Ya. Sosnovskikh

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 379 KB

english, 2011

29

The regioselectivity of the formation of 2-pyrazolylthiazoles and their precursors from the reaction of 2-hydrazinothiazoles with 4,4,4-trifluoro-1-hetaryl-1,3-butanediones

Anna B. Denisova, Vyacheslav Ya. Sosnovskikh, Wim Dehaen, Suzanne Toppet, Luc Van Meervelt, Vasiliy A. Bakulev

Journal:

Journal of Fluorine Chemistry

Year:

2002

Language:

english

File:

PDF, 190 KB

english, 2002

30

The first synthesis of 8-aza-2-polyfluoroalkylchromones

Vyacheslav Ya. Sosnovskikh, Mikhail A. Barabanov

Journal:

Journal of Fluorine Chemistry

Year:

2003

Language:

english

File:

PDF, 105 KB

english, 2003

31

7-Polyfluoroalkylnorkhellins: synthesis and reactions with alkyl mercaptoacetates

Vyacheslav Ya Sosnovskikh, Boris I Usachev, Ivan I Vorontsov

Journal:

Year:

2003

Language:

english

File:

PDF, 290 KB

english, 2003

32

Synthesis of 2-(trifluoromethyl)-1,2-dihydro-4H-thieno[2,3-c]chromen-4-ones and 2-(trifluoromethyl)-4H-thieno[2,3-c]chromen-4-ones from 2-trifluoromethylchromones and ethyl mercaptoacetate

Vyacheslav Ya Sosnovskikh, Boris I Usachev, Dmitri V Sevenard, Gerd-Volker Röschenthaler

Journal:

Year:

2003

Language:

english

File:

PDF, 199 KB

english, 2003

33

Unexpected synthesis of dihydrothienocoumarin derivatives from 2-trifluoromethylchromones and ethyl mercaptoacetate

Vyacheslav Ya Sosnovskikh, Boris I Usachev, Dmitri V Sevenard, Enno Lork, Gerd-Volker Röschenthaler

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 87 KB

english, 2001

34

Reactions of 7-polyfluoroalkylnorkhellins with alkyl mercaptoacetates: a simple synthesis of dihydrothienopsoralens and benzofuran derivatives of 2-oxa-7-thiabicyclo[3.2.1]octane

Vyacheslav Ya Sosnovskikh, Boris I Usachev

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 69 KB

english, 2001

35

A simple and highly efficient synthesis of N-phenyl-2-polyfluoroalkyl-4-quinolones from 2-anilinoacetophenone and RFCO2Et

Boris I. Usachev, Vyacheslav Ya. Sosnovskikh

Journal:

Journal of Fluorine Chemistry

Year:

2004

Language:

english

File:

PDF, 81 KB

english, 2004

36

Diastereoselective reactions of 1,1,1-trichloro(trifluoro)-3-nitrobut-2-enes with 2-morpholinoalk-1-enes

Vladislav Yu. Korotaev, Alexey Yu. Barkov, Pavel A. Slepukhin, Mikhail I. Kodess, Vyacheslav Ya. Sosnovskikh

Journal:

Mendeleev Communications

Year:

2011

Language:

english

File:

PDF, 542 KB

english, 2011

37

A facile route to the pentacyclic lamellarin skeleton via Grob reaction between 3-nitro-2-(trifluoromethyl)-2H-chromenes and 1,3,3-trimethyl-3,4-dihydroisoquinolines

Vladislav Yu. Korotaev, Vyacheslav Ya. Sosnovskikh, Igor B. Kutyashev, Alexey Yu. Barkov, Yurii V. Shklyaev

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 183 KB

english, 2008

38

Regioselective solvent-sensitive reactions of 6-(trifluoromethyl)comanic acid and its derivatives with phenylhydrazine

Boris I. Usachev, Dmitrii L. Obydennov, Mikhail I. Kodess, Vyacheslav Ya. Sosnovskikh

Journal:

Tetrahedron Letters

Year:

2009

Language:

english

File:

PDF, 291 KB

english, 2009

39

Reactions of aromatic methyl ketimines with halonitriles as a new route to pyrimidines with two polyhaloalkyl groups

Vyacheslav Ya Sosnovskikh, Boris I Usachev, Gerd-Volker Röschenthaler

Journal:

Year:

2002

Language:

english

File:

PDF, 106 KB

english, 2002

40

Condensation of acetylnaphthols with trifluoro- and trichloro-acetonitriles. The first example of ring-chain isomerism in the aromatic β-hydroxyoxoenamine series

Vyacheslav Ya. Sosnovskikh

Journal:

Mendeleev Communications

Year:

1996

Language:

english

File:

PDF, 181 KB

english, 1996

41

Unexpected synthesis of 2-(3-hydroxymethyl-3,3-pentamethyleneacetonyl)-2-trifluoromethylimidazolidine

Vyacheslav Ya. Sosnovskikh, Michail Yu. Mel’nikov

Journal:

Mendeleev Communications

Year:

1998

Language:

english

File:

PDF, 63 KB

english, 1998

42

A novel synthesis of 2-acylmethyleneimidazolidines

Vyacheslav Ya. Sosnovskikh, Michail Yu. Mel’nikov

Journal:

Mendeleev Communications

Year:

1998

Language:

english

File:

PDF, 133 KB

english, 1998

43

Reactions of 3-amino-1-aryl- and 3-amino-1-(2-thienyl)-4,4,4-trifluoro-2-buten-1-ones with 2-aminoethanol

Vyacheslav Ya. Sosnovskikh, Valentin A. Kutsenko, Mikhail Yu. Morozov

Journal:

Mendeleev Communications

Year:

1998

Language:

english

File:

PDF, 134 KB

english, 1998

44

Reaction of 3,3-dialkyl-6-trifluoromethyl-2,3-dihydro-4-pyrones with alkyl mercaptoacetates. Synthesis of derivatives of 2-oxa-7-thiabicyclo[3.2.1]octane

Vyacheslav Ya. Sosnovskikh, Mikhail Yu. Mel’nikov

Journal:

Mendeleev Communications

Year:

1998

Language:

english

File:

PDF, 123 KB

english, 1998

45

Interaction of 2-trichloromethylchromones with ethylenediamine. A simple synthesis of 2-(2-hydroxyaroylmethylene)imidazolidines

Vyacheslav Ya. Sosnovskikh, Valentin A. Kutsenko

Journal:

Mendeleev Communications

Year:

1999

Language:

english

File:

PDF, 113 KB

english, 1999

46

Recyclization of 2-amino- and 2-methylamino-2-trifluoromethyl-5,5-dimethyl- tetrahydro-4-pyrone oximes to 5-amino- and 5-methylamino-5-trifluoromethyl-3-(2-hydroxy-1,1-dimethylethyl)-Δ2-isoxazolines

Vyacheslav Ya. Sosnovskikh, Mikhail Yu. Mel’nikov, Andrei V. Zaitsev

Journal:

Mendeleev Communications

Year:

1999

Language:

english

File:

PDF, 83 KB

english, 1999

47

Steric factor in reactions of substituted 2-trifluoromethylchromones with ammonia and primary amines

Vyacheslav Ya. Sosnovskikh, Valentin A. Kutsenko, Danil S. Yachevskii

Journal:

Mendeleev Communications

Year:

1999

Language:

english

File:

PDF, 144 KB

english, 1999

48

A convenient synthesis of 4(5)-(2-hydroxyaroyl)-5(4)-trifluoromethyl-1,2,3-triazoles from 2-trifluoromethylchromones and chromen-4-imines

Vyacheslav Ya. Sosnovskikh, Boris I. Usachev

Journal:

Mendeleev Communications

Year:

2002

Language:

english

File:

PDF, 96 KB

english, 2002

49

Reaction of Polyhaloalkyl-Substituted Chromones, Pyrones, and Furanones with Salicylaldehydes as a Direct Route to Fused 2H-Chromenes

Sosnovskikh, Vyacheslav Ya., Korotaev, Vladislav Yu., Chizhov, Dmitry L., Kutyashev, Igor B., Yachevskii, Danil S., Kazheva, Olga N., Dyachenko, Oleg A., Charushin, Valery N.

Journal:

Journal of Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 130 KB

english, 2006

50

Regioselective synthesis of trifluoromethylated 3-(pyrazolyl)indoles on the basis of 6-(trifluoromethyl)comanic acid

Boris I. Usachev, Dmitrii L. Obydennov, Vyacheslav Ya. Sosnovskikh

Journal:

Journal of Fluorine Chemistry

Year:

2012

Language:

english

File:

PDF, 512 KB

english, 2012