Sergejs Osipovs: search on Z-Library

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1

Hexafluoroacetone as protecting and activating reagent: reactions of hexafluoroacetone with α-keto acids

Jan Spengler, Sergej N. Osipov, Elisabeth Heistracher, Alois Haas, Klaus Burger

Journal:

Journal of Fluorine Chemistry

Year:

2004

Language:

english

File:

PDF, 131 KB

english, 2004

2

ChemInform Abstract: Synthesis of Highly Fluorinated Dipeptide Building Blocks.

Beate Koksch, Kerstin Muetze, Sergej N Osipov, Alexander S. Golubev, Klaus Burger

Journal:

Year:

2000

File:

PDF, 30 KB

2000

3

ChemInform Abstract: A Radical Pathway to α-Difluoromethylene Containing Prolines and α-Aminoadipic Acids.

Sergej N. Osipov, Klaus Burger

Journal:

Year:

2000

File:

PDF, 31 KB

2000

4

ChemInform Abstract: α-Fluoromethyl Tryptophans via Imino Ene Reaction.

Sergej N. Osipov, Natalia M. Kobel'kova, Alexey F. Kolomiets, Ksenia Pumpor, Beate Koksch, Klaus Burger

Journal:

Year:

2001

File:

PDF, 31 KB

2001

5

Unexpected Ring Transformations on Functionalization of 2-(ω-Alken-1-yl)-3,3,3-trifluoroalanine Derivatives.

Klaus Burger, Kerstin Muetze, Sergej N. Osipov, Pavel Tsouker, Annette Schier

Journal:

Year:

2003

File:

PDF, 213 KB

2003

6

3-Trifluoromethyl- and 3-Difluoromethyl-thalidomides.

Sergej N. Osipov, Pavel Tsouker, Lothar Hennig, Klaus Burger

Journal:

Year:

2004

File:

PDF, 98 KB

2004

7

Hexafluoroacetone as Protecting and Activating Reagent: Reactions of Hexafluoroacetone with α-Keto Acids.

Jan Spengler, Sergej N. Osipov, Elisabeth Heistracher, Alois Haas, Klaus Burger

Journal:

Year:

2004

File:

PDF, 21 KB

2004

8

3-Trifluoromethyl- and 3-difluoromethyl-thalidomides

Sergej N Osipov, Pavel Tsouker, Lothar Hennig, Klaus Burger

Journal:

Year:

2004

Language:

english

File:

PDF, 165 KB

english, 2004

9

Synthesis of highly fluorinated dipeptide building blocks

Beate Koksch, Kerstin Mütze, Sergej N Osipov, Alexander S Golubev, Klaus Burger

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 106 KB

english, 2000

10

A radical pathway to α-difluoromethylene containing prolines and α-aminoadipic acids

Sergej N Osipov, Klaus Burger

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 121 KB

english, 2000

11

Sampling of benzene in tar matrices from biomass gasification using two different solid-phase sorbents

Sergejs Osipovs

Journal:

Analytical and Bioanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 392 KB

english, 2008

12

Unexpected Ring Transformations on Functionalization of 2-(ω-Alken-1-yl)-3,3,3-trifluoroalanine Derivatives

Klaus Burger, Kerstin Mütze, Sergej N. Osipov, Pavel Tsouker, Annette Schier

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2003

Language:

english

File:

PDF, 166 KB

english, 2003

13

Trifluoromethyl-substituted hydantoins, versatile building blocks for rational drug design

Volkmar Wehner, Hans-Ulrich Stilz, Sergej N Osipov, Alexander S Golubev, Joachim Sieler, Klaus Burger

Journal:

Year:

2004

Language:

english

File:

PDF, 224 KB

english, 2004

14

Synthesis of trifluoromethyl-containing depsipeptides via OH insertion of rhodium carbenoid into the carboxylic group of N-protected α-amino acids

Daria V. Vorob’eva, Igor D. Titanyuk, Irina P. Beletskaya, Sergej N. Osipov

Journal:

Mendeleev Communications

Year:

2005

Language:

english

File:

PDF, 108 KB

english, 2005

15

Comparison of efficiency of two methods for tar sampling in the syngas

Osipovs, Sergejs

Journal:

Year:

2013

Language:

english

File:

PDF, 439 KB

english, 2013

16

Use of two different adsorbents for sampling tar in gas obtained from peat gasification

Osipovs, Sergejs

Journal:

International Journal of Environmental & Analytical Chemistry

Year:

2009

Language:

english

File:

PDF, 196 KB

english, 2009

17

Effective Pathway to the α-CF 3 -Substituted Azahistidine Analogues

Shchetnikov, Grigorii, Peregudov, Alexander, Osipov, Sergej

Journal:

Year:

2007

Language:

english

File:

PDF, 88 KB

english, 2007

18

α-Fluoromethyl Tryptophans via Imino Ene Reaction

Osipov, Sergej N., Kobel'kova, Natalia M., Kolomiets, Alexey F., Pumpor, Ksenia, Koksch, Beate, Burger, Klaus

Journal:

Year:

2001

Language:

english

File:

PDF, 45 KB

english, 2001

19

Hexafluoroacetone as a Protecting and Activating Reagent: Synthesis of New Types of Fluoro-Substituted α-Amino, α-Hydroxy and α-Mercapto Acids

Osipov, Sergej N., Lange, Torsten, Tsouker, Pavel, Spengler, Jan, Hennig, Lothar, Koksch, Beate, Berger, Stefan, El-Kousy, Salah M., Burger, Klaus

Journal:

Year:

2004

Language:

english

File:

PDF, 396 KB

english, 2004

20

1-Trifluoromethyl-1-diethoxyphosphoryl Carbene: A New Synthon for the Preparation of CF 3 -Containing α-Hydroxy and α-Amino Phosphonic Acid Derivatives

Titanyuk, Igor, Vorob’eva, Daria, Osipov, Sergej, Beletskaya, Irina

Journal:

Year:

2006

Language:

english

File:

PDF, 77 KB

english, 2006

21

Source identification of nitrate by means of stable nitrogen isotopes in the river Daugava and loads of nitrogen to the Gulf of Riga

Škute, Artūrs, Osipovs, Sergejs, Vardanjans, Davids

Journal:

International Journal of Environmental & Analytical Chemistry

Year:

2016

Language:

english

File:

PDF, 1.78 MB

english, 2016

22

Kyiv monitoring program of spectral line variations with the 11-year cycle

Shchukina, Nataliia, Osipov, Sergej, Kostyk, Roman, Stodilka, Myroslav

Journal:

Proceedings of the International Astronomical Union

Year:

2018

Language:

english

File:

PDF, 253 KB

english, 2018

23

Novel dye for detection of callus embryo by confocal laser scanning fluorescence microscopy

Kirilova, Elena, Mickevica, Ilona, Mezaraupe, Ligita, Puckins, Aleksandrs, Rubenina, Ilze, Osipovs, Sergejs, Kokina, Inese, Bulanovs, Andrejs, Kirjusina, Muza, Gavarane, Inese

Journal:

Year:

2019

File:

PDF, 526 KB

2019

24

A Simple and Rapid Staining Technique for Sex Determination of Trichinella Larvae Parasites by Confocal Laser Scanning Microscopy

Gavarane, Inese, Kirilova, Elena, Rubeniņa, Ilze, Mežaraupe, Ligita, Osipovs, Sergejs, Deksne, Gunita, Pučkins, Aleksandrs, Kokina, Inese, Bulanovs, Andrejs, Kirjušina, Muza

Journal:

Microscopy and Microanalysis

Year:

2019

Language:

english

File:

PDF, 515 KB

english, 2019

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