Nikolaev, Valerij: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

Don't use scam websites

1

Surprising secondary photochemical reactions observed on conventional photolysis of diazotetrahydrofuranones

Valerij A. Nikolaev, Olesja S. Galkina, Jochim Sieler, Ludmila L. Rodina

Journal:

Tetrahedron Letters

Year:

2010

Language:

english

File:

PDF, 575 KB

english, 2010

2

Synthesis of 4-fluoroalkyl-substituted pyridazines from fluorinated diazodiketones

Valerij A. Nikolaev, Valerija M. Zakharova, Lothar Hennig, Joachim Sieler

Journal:

Journal of Fluorine Chemistry

Year:

2007

Language:

english

File:

PDF, 233 KB

english, 2007

3

Wittig Reaction of a Series of Diazodiketones: Synthesis and Structure of Fluorine-Containing Vinyldiazoketones

Zakharova, Valerija M., Hennig, Lothar, Nikolaev, Valerij A.

Journal:

Year:

2005

Language:

english

File:

PDF, 86 KB

english, 2005

4

Novel photochemical reactions of carbocyclic diazodiketones without elimination of nitrogen – a suitable way to N-hydrazonation of C–H-bonds

Rodina, Liudmila L, Azarova, Xenia V, Medvedev, Jury J, Semenok, Dmitrij V, Nikolaev, Valerij A

Journal:

Beilstein Journal of Organic Chemistry

Year:

2018

Language:

english

File:

PDF, 429 KB

english, 2018

5

ChemInform Abstract: Stereochemistry and Reactivity of F- and H-Vinyldiazocarbonyl Compounds and Their Phosphazines: Synthesis of Pyrazoles and Pyridazines.

Murat B. Supurgibekov, Valerija M. Zakharova, Jochim Sieler, Valerij A. Nikolaev

Journal:

Year:

2011

File:

PDF, 36 KB

2011

6

RhII-Catalyzed Reactions of Diazocarbonyl Compounds with Dicarboximides

Vsevolod V. Nikolaev, Heinz Heimgartner, Anthony Linden, Ivan S. Krylov, Valerij A. Nikolaev

Journal:

European Journal of Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 189 KB

english, 2006

7

Fluorinated Diazo Diketones in Rhodium(II)-Catalyzed Reactions with Sultams: Chemoselective O-Functionalization of Amide Carbonyl Groups

Valeria M. Zakharova, Bärbel Schulze, Ludmila L. Rodina, Joachim Sieler, Valerij A. Nikolaev

Journal:

Helvetica Chimica Acta

Year:

2005

Language:

english

File:

PDF, 321 KB

english, 2005

8

On the Most Powerful Chemical Traps for Bis(methoxycarbonyl)carbene (=2-Methoxy-1-(methoxycarbonyl)-2-oxoethylidene)

Vladimir V. Shevchenko, Natalya G. Zhegalova, Andey O. Borzenko, Valerij A. Nikolaev

Journal:

Helvetica Chimica Acta

Year:

2008

Language:

english

File:

PDF, 205 KB

english, 2008

9

Synthesis and Structures of Two Isomeric 4-Diazo-2,3,4,5-tetrahydrofuran-3-ones

Sergey A. Malashikhin, Anthony Linden, Heinz Heimgartner, Ludmila L. Rodina, Valerij A. Nikolaev

Journal:

Helvetica Chimica Acta

Year:

2008

Language:

english

File:

PDF, 214 KB

english, 2008

10

Photochemical Reactions of Regioisomeric 2,2-Dimethyl-5,5-diphenyl- and 5,5-Dimethyl-2,2-diphenyl-Substituted Diazo Ketones of a Tetrahydrofuran Series

Ludmila L. Rodina, Sergey A. Malashikhin, Olesya S. Galkina, Valerij A. Nikolaev

Journal:

Helvetica Chimica Acta

Year:

2009

Language:

english

File:

PDF, 197 KB

english, 2009

11

Dual reactivity of imidic carbonyl ylides in Rh(II)-catalyzed reactions of α-diazocarbonyl compounds with succinimide

Vsevolod Nikolaev, Lothar Hennig, Heinz Heimgartner, Barbel Schulze, Valerij Nikolaev

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 134 KB

english, 2006

12

Stereochemistry and reactivity of F- and H-vinyldiazocarbonyl compounds and their phosphazines: synthesis of pyrazoles and pyridazines

Murat B. Supurgibekov, Valerija M. Zakharova, Jochim Sieler, Valerij A. Nikolaev

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 556 KB

english, 2011

13

Decomposition of 2-diazo-1,3-diketones: Stereocontrol of the mechanism.

Valerij A. Nikolaev, Vladimir V. Popik

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 247 KB

english, 1992

14

The Soft "Lisping" Consonants [s"] and [z"] in the Dialects of the Pskov Region (Linguistic Geography and Basic Articulatory and Acoustic Features)

Valerij Nikolaevič Čekmonas

Journal:

Russian Linguistics

Year:

1997

File:

PDF, 951 KB

1997

15

Notes on the Dialects of the Russian Poozer'e (Dialectal Speech in the Singing Folklore)

Valerij Nikolaevič Čekmonas

Journal:

Russian Linguistics

Year:

1999

Language:

russian

File:

PDF, 164 KB

russian, 1999

16

Issues in the Historical Phonetics of Russian Dialects in the Work of L. L. Kasatkin

Valerij Nikolaevič Čekmonas

Journal:

Russian Linguistics

Year:

2001

Language:

russian

File:

PDF, 145 KB

russian, 2001

17

Honselaar, Z.:The Dialect of the Village of Ostrovcy in the Pskov Region, Amsterdam–Atlanta 2001

Valerij Nikolaevič Čekmonas

Journal:

Russian Linguistics

Year:

2003

Language:

russian

File:

PDF, 103 KB

russian, 2003

18

The first examples of cycloadditions of 2-diazo-1,3-dicarbonyl compounds to aromatic thioketones

Valerij A. Nikolaev, Alexey V. Ivanov, Anton A. Shakhmin, Joachim Sieler, Ludmila L. Rodina

Journal:

Tetrahedron Letters

Year:

2012

Language:

english

File:

PDF, 445 KB

english, 2012

19

ChemInform Abstract: The First Examples of Cycloadditions of 2-Diazo-1,3-dicarbonyl Compounds to Aromatic Thioketones.

Valerij A. Nikolaev, Alexey V. Ivanov, Anton A. Shakhmin, Joachim Sieler, Ludmilla L. Rodina

Journal:

Year:

2012

File:

PDF, 28 KB

2012

20

Cyclic and acyclic sulfonimides in reactions with Rh(ii)-ketocarbenoids: a new access to chemoselective O-functionalization of the imidic carbonyl groups

Nikolaev, Vsevolod, Hennig, Lothar, Sieler, Jochim, Rodina, Ludmila, Schulze, Barbel, Nikolaev, Valerij

Journal:

Organic & Biomolecular Chemistry

Year:

2005

Language:

english

File:

PDF, 261 KB

english, 2005

21

Influence of an Internal Trifluoromethyl Group on the Rhodium(II)-Catalyzed Reactions of Vinyldiazocarbonyl Compounds

Nikolaev, Valerij A., Supurgibekov, Murat B., Davies, Huw M. L., Sieler, Joachim, Zakharova, Valerija M.

Journal:

Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 519 KB

english, 2013

22

Thermolysis of 4-Diazotetrahydrofuran-3-ones: Total Change of Reaction Course Compared to Photolysis

Rodina, Ludmila L., Medvedev, Jury J., Galkina, Olesia S., Nikolaev, Valerij A.

Journal:

European Journal of Organic Chemistry

Year:

2014

Language:

english

File:

PDF, 436 KB

english, 2014

23

Thermolysis of trifluoromethyl-containing vinyldiazocarbonyl compounds and X-ray crystal structure analysis of unexpected reaction products

Nikolaev, Valerij A., Supurgibekov, Murat B., Haiges, Ralf, Linden, Anthony, Prakash, G.K. Surya

Journal:

Journal of Fluorine Chemistry

Year:

2013

Language:

english

File:

PDF, 808 KB

english, 2013

24

Stereochemistry and thermal stability of diazodiketones

Popik, Vladimir V., Nikolaev, Valerij A.

Journal:

Journal of the Chemical Society Perkin Transactions 2

Year:

1993

Language:

english

File:

PDF, 389 KB

english, 1993

25

The Lifetime of Formylcarbene Determined by Transient Absorption and Transient Grating Spectroscopy

Toscano, John P., Platz, Matthew S., Nikolaev, Valerij, Cao, Yanni, Zimmt, Matthew B.

Journal:

Journal of the American Chemical Society

Year:

1996

Language:

english

File:

PDF, 106 KB

english, 1996

26

Ketene Reactions with the Aminoxyl Radical TEMPO: Preparative, Kinetic, and Theoretical Studies

Allen, Annette D., Cheng, Bernice, Fenwick, Michael H., Givehchi, Babak, Henry-Riyad, Huda, Nikolaev, Valerij A., Shikhova, Elena Aleksadrovna, Tahmassebi, Daryoush, Tidwell, Thomas T., Wang, Silas

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 111 KB

english, 2001

27

Lifetimes of Simple Ketocarbenes

Toscano, John P., Platz, Matthew S., Nikolaev, Valerij

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 300 KB

english, 1995

28

Dicarbomethoxycarbene. A Laser Flash Photolysis Study

Wang, Jen-Lung, Toscano, John P., Platz, Matthew S., Nikolaev, Valerij, Popik, Vladimir

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 612 KB

english, 1995

29

Encyclopedia of Reagents for Organic Synthesis || Methanesulfonyl Azide

Nikolaev, Valerij A.

Year:

2001

Language:

english

File:

PDF, 58 KB

english, 2001

30

Encyclopedia of Reagents for Organic Synthesis || N -Methylanilinium Trifluoroacetate

Nikolaev, Valerij A.

Year:

2001

Language:

english

File:

PDF, 48 KB

english, 2001

31

Encyclopedia of Reagents for Organic Synthesis || p -Acetamidobenzenesulfonyl Azide

Nikolaev, Valerij A.

Year:

2001

Language:

english

File:

PDF, 51 KB

english, 2001

32

Encyclopedia of Reagents for Organic Synthesis || Diazidotin Dichloride

Nikolaev, Valerij A.

Year:

2001

Language:

english

File:

PDF, 44 KB

english, 2001

33

Two-Stage Synthesis of 3-(Perfluoroalkyl)-Substituted Vinyldiazocarbonyl Compounds and Their Nonfluorinated Counterparts: A Comparative Study

Supurgibekov, Murat, Prakash, G., Nikolaev, Valerij

Journal:

Year:

2013

Language:

english

File:

PDF, 289 KB

english, 2013

34

Diazo Strategy for the Synthesis of Pyridazines: Pivotal Impact of the Configuration of the Diazo Precursor on the Process

Nikolaev, Valerij A., Cantillo, David, Kappe, C. Oliver, Medvedev, Jury J., Prakash, G. K. Surya., Supurgibekov, Murat B.

Journal:

Chemistry - A European Journal

Year:

2016

Language:

english

File:

PDF, 1.34 MB

english, 2016

35

Carboethoxycarbene. A Laser Flash Photolysis Study

Toscano, John P., Platz, Matthew S., Nikolaev, Valerij, Popic, Vladimir

Journal:

Journal of the American Chemical Society

Year:

1994

Language:

english

File:

PDF, 644 KB

english, 1994

36

A New Method for C−H Functionalization of Aliphatic Compounds by an Unusual Photochemical Reaction of Diazoketones without Elimination of Nitrogen

Rodina, Liudmila L., Galkina, Olesia S., Maas, Gerhard, Platz, Matthew S., Nikolaev, Valerij A.

Journal:

Asian Journal of Organic Chemistry

Year:

2016

Language:

english

File:

PDF, 537 KB

english, 2016

37

ChemInform Abstract: Thermolysis of 4-Diazotetrahydrofuran-3-ones: Total Change of Reaction Course Compared to Photolysis.

Rodina, Ludmila L., Medvedev, Jury J., Galkina, Olesia S., Nikolaev, Valerij A.

Journal:

Year:

2015

File:

PDF, 17 KB

2015

38

ChemInform Abstract: Eco-Friendly Approach to Tetrasubstituted Diazodihydrofuranones: Valuable Precursors of Oxetane Derivatives and Other Heterocyclic Compounds.

Galkina, Olesia S., Maas, Gerhard, Rodina, Liudmila L., Nikolaev, Valerij A.

Journal:

Year:

2015

File:

PDF, 23 KB

2015

39

ChemInform Abstract: Influence of an Internal Trifluoromethyl Group on the Rhodium(II)-Catalyzed Reactions of Vinyldiazocarbonyl Compounds.

Nikolaev, Valerij A., Supurgibekov, Murat B., Davies, Huw M. L., Sieler, Joachim, Zakharova, Valerija M.

Journal:

Year:

2013

File:

PDF, 29 KB

2013

40

ChemInform Abstract: Diazo Strategy for the Synthesis of Pyridazines: Pivotal Impact of the Configuration of the Diazo Precursor on the Process.

Nikolaev, Valerij A., Cantillo, David, Kappe, C. Oliver, Medvedev, Jury J., Prakash, G. K. Surya., Supurgibekov, Murat B.

Journal:

Year:

2016

File:

PDF, 24 KB

2016

41

ChemInform Abstract: Thermolysis of Trifluoromethyl-Containing Vinyldiazocarbonyl Compounds and X-Ray Crystal Structure Analysis of Unexpected Reaction Products.

Nikolaev, Valerij A., Supurgibekov, Murat B., Haiges, Ralf, Linden, Anthony, Prakash, G. K. Surya

Journal:

Year:

2014

File:

PDF, 25 KB

2014

42

Protonation and transformations of α-diazo-β-dicarbonyl compounds in superacids: generation of the strongest carbon-centered cationic electrophiles at the protonation of diazomalonates in Friedel–Crafts reactions

Satumov, Eugeniy T., Medvedev, Jury J., Nilov, Denis I., Sandzhieva, Maria A., Boyarskaya, Irina A., Nikolaev, Valerij A., Vasilyev, Aleksander V.

Journal:

Year:

2016

Language:

english

File:

PDF, 923 KB

english, 2016

43

Encyclopedia of Reagents for Organic Synthesis || p -Dodecylbenzenesulfonyl Azide

Nikolaev, Valerij A.

Year:

2001

Language:

english

File:

PDF, 43 KB

english, 2001

44

A New Powerful Approach to Multi-Substituted 3(2H)-Furanones via Brønsted Acid-Catalyzed Reactions of 4-Diazodihydrofuran-3-ones

Medvedev, Jury, Semenok, Dmitrii, Azarova, Xenia, Rodina, Liudmila, Nikolaev, Valerij

Journal:

Year:

2016

Language:

english

File:

PDF, 238 KB

english, 2016

45

Encyclopedia of Reagents for Organic Synthesis || Methanesulfonyl Azide

Nikolaev, Valerij A.

Year:

2001

Language:

english

File:

PDF, 150 KB

english, 2001

46

ChemInform Abstract: Unusual Reactions of Diazocarbonyl Compounds with α,β-Unsaturated δ-Amino Esters: Rh(II)-Catalyzed Wolff Rearrangement and Oxidative Cleavage of N-H-Insertion Products.

Nikolaev, Valerij A., Medvedev, Jury J., Galkina, Olesia S., Azarova, Ksenia V., Schneider, Christoph

Journal:

Year:

2016

File:

PDF, 31 KB

2016

47

Light-induced Reactions of Diazotetrahydrofuranone without Elimination of Nitrogen: Experimental and Mechanistic Study

Rodina, Liudmila L., Baranovskii, Victor I., Galkina, Olesia S., Nikolaev, Valerij A., Tonogina, Nina L., Povolotskiy, Alexey V.

Journal:

Journal of Organic Chemistry

Year:

2017

Language:

english

File:

PDF, 544 KB

english, 2017

48

ChemInform Abstract: Protonation and Transformations of α-Diazo-β-dicarbonyl Compounds in Superacids: Generation of the Strongest Carbon-Centered Cationic Electrophiles at the Protonation of Diazomalonates in Friedel-Crafts Reactions.

Satumov, Eugeniy T., Medvedev, Jury J., Nilov, Denis I., Sandzhieva, Maria A., Boyarskaya, Irina A., Nikolaev, Valerij A., Vasilyev, Aleksander V.

Journal:

Year:

2016

File:

PDF, 20 KB

2016

49

Unusual reactions of diazocarbonyl compounds with α,β-unsaturated δ-amino esters: Rh(II)-catalyzed Wolff rearrangement and oxidative cleavage of N–H-insertion products

Nikolaev, Valerij A, Medvedev, Jury J, Galkina, Olesia S, Azarova, Ksenia V, Schneider, Christoph

Journal:

Beilstein Journal of Organic Chemistry

Year:

2016

Language:

english

File:

PDF, 369 KB

english, 2016

50

On the strong difference in reactivity of acyclic and cyclic diazodiketones with thioketones: experimental results and quantum-chemical interpretation

Mereshchenko, Andrey S, Ivanov, Alexey V, Baranovskii, Viktor I, Mloston, Grzegorz, Rodina, Ludmila L, Nikolaev, Valerij A

Journal:

Beilstein Journal of Organic Chemistry

Year:

2015

Language:

english

File:

PDF, 970 KB

english, 2015