Jan čejka: search on Z-Library

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

Don't use scam websites

1

Synthesis of 3-Fluorofuran-2(5H)-ones Based on Z/E Photoisomerisation and Cyclisation of 2-Fluoro-4-hydroxybut-2-enoates

Karel Pomeisl, Jan Čejka, Jaroslav Kvíčala, Oldřich Paleta

Journal:

European Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 223 KB

english, 2007

2

Salts and Co-Crystals of Agomelatine

Skorepova, Eliska, Husak, Michal, Ridvan, Ludek, Cejka, Jan

Journal:

Acta Crystallographica Section A Foundations and Advances

Year:

2014

Language:

english

File:

PDF, 643 KB

english, 2014

3

Plavnoite, a new K–Mn member of the zippeite group from Jáchymov, Czech Republic

Plášil, Jakub, Škácha, Pavel, Sejkora, Jiří, Kampf, AnthonyR., Škoda, Radek, Čejka, Jiří, Hloušek, Jan, Kasatkin, AnatolyV., Pavlíček, Radim, Babka, Karel

Journal:

European Journal of Mineralogy

Year:

2017

Language:

english

File:

PDF, 4.94 MB

english, 2017

4

Underwater augmented reality for improving the diving experience in submerged archaeological sites

Bruno, Fabio, Barbieri, Loris, Mangeruga, Marino, Cozza, Marco, Lagudi, Antonio, Čejka, Jan, Liarokapis, Fotis, Skarlatos, Dimitrios

Journal:

Ocean Engineering

Year:

2019

Language:

english

File:

PDF, 14.31 MB

english, 2019

5

Volatiles from Stink Bug, Graphosoma lineatum (L.), and from Green Shield Bug, Palomena prasina (L.), (Heteroptera: Pentatomidae)

Karel Stránský, Irena Valterová, Karel Ubik, Jiří Čejka, Jan Křeček

Journal:

Journal of Separation Science

Year:

1998

Language:

english

File:

PDF, 32 KB

english, 1998

6

MCM-41-Immobilized [Rh(cod)OCH3]2 Complex – A Hybrid Catalyst for the Polymerization of Phenylacetylene and Its Ring-Substituted Derivatives

Hynek Balcar, Jan Sedláček, Jiří Čejka, Jiří Vohlídal

Journal:

Macromolecular Rapid Communications

Year:

2002

Language:

english

File:

PDF, 183 KB

english, 2002

7

ChemInform Abstract: Sterically Crowded Heterocycles. Part 12. Atropisomerism of (1-Aryl-3,5-diphenyl-1H-pyrrol-2-yl)(phenyl)methanones.

Robert Klvana, Radek Pohl, Jan Pawlas, Jan Cejka, Hana Dvorakova, Richard Hrabal, Stanislav Boehm, Bohumil Kratochvil, Josef Kuthan

Journal:

Year:

2000

File:

PDF, 31 KB

2000

8

ChemInform Abstract: Selective Reduction of Peptidic Ergot Alkaloids.

Ladislav Cvak, Josef Stuchlik, Magdalena Schreiberova, Petr Sedmera, Vladimir Havlicek, Miroslav Flieger, Jan Cejka, Bohumil Kratochvil, Alexandr Jegorov

Journal:

Year:

2001

File:

PDF, 28 KB

2001

9

ChemInform Abstract: Photoisomerization of 2,4,4,6-Tetraaryl-4H-selenopyrans: A New Heterocyclic Ring Contraction.

Jiri Kroulik, Jan Cejka, Pavel Sebek, Petr Sedmera, Petr Halada, Vladimir Havlicek, Stanislav Nespurek, Bohumil Kratochvil, Josef Kuthan

Journal:

Year:

2001

File:

PDF, 28 KB

2001

10

Simvastatin.

Jan Cejka, Bohumil Kratochvil, Ivana Cisarova, Alexandr Jegorov

Journal:

Year:

2003

File:

PDF, 57 KB

2003

11

Pergolide Mesylate Form II.

Alexandr Jegorov, Zdenek Horak, Jan Cejka, Bohumil Kratochvil, Ivana Cisarova

Journal:

Year:

2004

File:

PDF, 67 KB

2004

12

Rearrangement of Substituted 2,4,4,6-Tetraaryl-4H-thiopyrans to Triaryl-3aH-benzo[3,4]cyclopenta[1,2-b]thiophene.

Jiri Kroulik, Jan Cejka, Petr Sedmera, Alexandr Jegorov, Bohumil Kratochvil, Josef Kuthan

Journal:

Year:

2005

File:

PDF, 15 KB

2005

13

ChemInform Abstract: Synthesis of Bis(polyfluoroalkylated)imidazolium Salts as Key Intermediates for Fluorous NHC Ligands.

Martin Skalicky, Marketa Rybackova, Ondrej Kysilka, Magdalena Kvicalova, Josef Cvacka, Jan Cejka, Jaroslav Kvicala

Journal:

Year:

2010

Language:

english

File:

PDF, 20 KB

english, 2010

14

Palladium Catalysts Supported on Mesoporous Molecular Sieves Bearing Nitrogen Donor Groups: Preparation and Use in Heck and Suzuki CC Bond-Forming Reactions

Jan Demel, Martin Lamač, Jiří Čejka, Petr Štěpnička

Journal:

Year:

2009

Language:

english

File:

PDF, 281 KB

english, 2009

15

A Raman spectroscopic study of bukovskýite Fe2(AsO4)(SO4)(OH)· 7H2O, a mineral phase with a significant role in arsenic migration

Jan Loun, Jiří Čejka, Jiří Sejkora, Jakub Plášil, Milan Novák, Ray L. Frost, Sara J. Palmer, Eloise C. Keeffe

Journal:

Journal of Raman Spectroscopy

Year:

2011

Language:

english

File:

PDF, 247 KB

english, 2011

16

Trifluoromethylated (tetrahydropyrrolo) quinazolinones by a new three-component reaction and facile assignment of the regio- and stereoisomers formed by NMR spectroscopy

Bohumil Dolenský, Jaroslav Kvíčala, Oldřich Paleta, Jan Lang, Hana Dvořáková, Jan Čejka

Journal:

Magnetic Resonance in Chemistry

Year:

2010

Language:

english

File:

PDF, 782 KB

english, 2010

17

Preparation of new trifluoromethyl substituted tri- and tetracyclic heterocycles with Peganin skeleton from a methyl 3,3,3-trifluoropyruvate / 2-aminobenzylamine adduct

Bohumil Dolenský, Jaroslav Kvíčala, Oldřich Paleta, Jan Čejka, Jan Ondráček

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 174 KB

english, 1996

18

Grafting of palladium nanoparticles onto mesoporous molecular sieve MCM-41: Heterogeneous catalysts for the formation of an N-substituted pyrrol

Jan Demel, Jiří Čejka, Snejana Bakardjieva, Petr Štěpnička

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2007

Language:

english

File:

PDF, 1.13 MB

english, 2007

19

The use of palladium nanoparticles supported on MCM-41 mesoporous molecular sieves in Heck reaction: A comparison of basic and neutral supports

Jan Demel, Jiří Čejka, Petr Štěpnička

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2007

Language:

english

File:

PDF, 424 KB

english, 2007

20

Preparation of heterogeneous catalysts supported on mesoporous molecular sieves modified with various N-groups and their use in the Heck reaction

Jan Demel, Sujandi, Sang-Eon Park, Jiří Čejka, Petr Štěpnička

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2009

Language:

english

File:

PDF, 1.27 MB

english, 2009

21

Reductive dehalogenation of aryl halides over palladium catalysts deposited on SBA-15 type molecular sieve modified with amine donor groups

Petr Štěpnička, Miloslav Semler, Jan Demel, Arnošt Zukal, Jiří Čejka

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2011

Language:

english

File:

PDF, 250 KB

english, 2011

22

Molecular and solid-state structure of methyl [2-(acridin-9-ylimino)-3-(tert-butylamino)-4-oxothiazolidin-5-ylidene]acetate

Jana Tomaščiková, Ivan Danihel, Stanislav Böhm, Ján Imrich, Pavol Kristian, Ivan Potočňák, Jan Čejka, Karel D. Klika

Journal:

Journal of Molecular Structure

Year:

2008

Language:

english

File:

PDF, 393 KB

english, 2008

23

The use of palladium nanoparticles supported with MCM-41 and basic (Al)MCM-41 mesoporous sieves in microwave-assisted Heck reaction

Jan Demel, Sang-Eon Park, Jiří Čejka, Petr Štěpnička

Journal:

Catalysis Today

Year:

2008

Language:

english

File:

PDF, 349 KB

english, 2008

24

Synthesis of bis(polyfluoroalkylated)imidazolium salts as key intermediates for fluorous NHC ligands

Martin Skalický, Markéta Rybáčková, Ondřej Kysilka, Magdalena Kvíčalová, Josef Cvačka, Jan Čejka, Jaroslav Kvíčala

Journal:

Journal of Fluorine Chemistry

Year:

2009

Language:

english

File:

PDF, 421 KB

english, 2009

25

Polyfluoroalkylated tripyrazolylmethane ligands: Synthesis and complexes

Veronika Skalická, Markéta Rybáčková, Martin Skalický, Magdalena Kvíčalová, Josef Cvačka, Anna Březinová, Jan Čejka, Jaroslav Kvíčala

Journal:

Journal of Fluorine Chemistry

Year:

2011

Language:

english

File:

PDF, 522 KB

english, 2011

26

Preparation and catalytic application of MCM-41 modified with a ferrocene carboxyphosphine and a ruthenium complex

Petr Štěpnička, Jan Demel, Jiří Čejka

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2004

Language:

english

File:

PDF, 202 KB

english, 2004

27

Palladium catalysts deposited on silica materials: Comparison of catalysts based on mesoporous and amorphous supports in Heck reaction

Jan Demel, Jiří Čejka, Petr Štěpnička

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2010

Language:

english

File:

PDF, 249 KB

english, 2010

28

Limitations of the Wittig–Horner-type annulation of fluorobutenolide moiety to 3-hydroxyquinoline-2,4(2H,3H)-diones. Novel modifications of the Perkow reaction including fluorinated acyloxy leaving groups

Karel Pomeisl, Jaroslav Kvíčala, Oldřich Paleta, Antonín Klásek, Stanislav Kafka, Vladislav Kubelka, Jaroslav Havlíček, Jan Čejka

Journal:

Year:

2007

Language:

english

File:

PDF, 825 KB

english, 2007

29

Enantioseparations of non-benzenoid and oligo-Tröger’s bases by HPLC on Whelk O1 column

Sergey Sergeyev, Sara Stas, Adrienne Remacle, Christophe M.L. Vande Velde, Bohumil Dolenský, Martin Havlík, Vladimír Král, Jan Čejka

Journal:

Tetrahedron: Asymmetry

Year:

2009

Language:

english

File:

PDF, 394 KB

english, 2009

30

[Rh(cod)Cl]2 complex immobilized on mesoporous molecular sieves MCM-41-a new hybrid catalyst for polymerization of phenylacetylene

Hynek Balcar, Jiřı́ Čejka, Jan Sedláček, Jan Svoboda, Jiřı́ Zednı́k, Zdeněk Bastl, Vladimı́r Bosáček, Jiřı́ Vohlı́dal

Journal:

Journal of Molecular Catalysis A: Chemical

Year:

2003

Language:

english

File:

PDF, 215 KB

english, 2003

31

Polymerization of aliphatic alkynes with heterogeneous Mo catalysts supported on mesoporous molecular sieves

Hynek Balcar, Pavel Topka, Jan Sedláček, Jiří Zedník, Jiří Čejka

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2008

Language:

english

File:

PDF, 143 KB

english, 2008

32

Raman spectroscopic study of the uranyl sulphate mineral zippeite: low wavenumber and U–O stretching regions

Jakub Plášil, Elena Buixaderas, Jiří Čejka, Jiří Sejkora, Jan Jehlička, Milan Novák

Journal:

Analytical and Bioanalytical Chemistry

Year:

2010

Language:

english

File:

PDF, 755 KB

english, 2010

33

Crystal structures of mollugin and lucidin

Alexandr Jegorov, Ladislav Cvak, Jan Čejka, Bohumil Kratochvíl, Petr Sedmera, Vladimír Havlíček

Journal:

Journal of Chemical Crystallography

Year:

2005

Language:

english

File:

PDF, 260 KB

english, 2005

34

Structures of cabergoline anhydrate form II and novel cabergoline solvates

Alexandr Jegorov, Ladislav Cvak, Roman Bednář, Jan Čejka, Michal Hušák, Bohumil Kratochvíl, Ivana Císařová

Journal:

Structural Chemistry

Year:

2006

Language:

english

File:

PDF, 1.73 MB

english, 2006

35

Light Absorption Properties of the Rabbit Cornea Repeatedly Irradiated with UVB Rays

Čestmír Čejka, Jan Pláteník, Vilém Guryca, Jakub Širc, Jiří Michálek, Blanka Brůnová, Jitka Čejková

Journal:

Photochemistry and Photobiology

Year:

2007

Language:

english

File:

PDF, 636 KB

english, 2007

36

Effect of Two Different UVA Doses on the Rabbit Cornea and Lens

Čestmír Čejka, Jan Pláteník, Richard Buchal, Vilém Guryca, Jakub Širc, Martin Vejražka, Jiřina Crkovská, Taras Ardan, Jiří Michálek, Blanka Brůnová, Jitka Čejková

Journal:

Photochemistry and Photobiology

Year:

2009

Language:

english

File:

PDF, 420 KB

english, 2009

37

The Effect of Actinoquinol with Hyaluronic Acid in Eye Drops on the Optical Properties and Oxidative Damage of the Rabbit Cornea Irradiated with UVB Rays

Čestmír Čejka, Jacques Luyckx, Taras Ardan, Jan Pláteník, Jakub Širc, Jiří Michálek, Jitka Čejková

Journal:

Photochemistry and Photobiology

Year:

2010

Language:

english

File:

PDF, 858 KB

english, 2010

38

Pupilla pratensis(Gastropoda: Pupillidae) in the Czech Republic and Slovakia and its distinction fromP. muscorumandP. alpicolabased on multidimensional analysis of shell measurements

Michal Horsák, Jana Škodová, Jan Myšák, Tomáš Čejka, Vojen Ložek, Jaroslav Č. Hlaváč

Journal:

Year:

2010

Language:

english

File:

PDF, 369 KB

english, 2010

39

Photoisomerization of 2,4,4,6-tetraaryl-4H-selenopyrans: a new heterocyclic ring contraction

Jiří Kroulík, Jan Čejka, Pavel Šebek, Petr Sedmera, Petr Halada, Vladimír Havlíček, Stanislav Nešpůrek, Bohumil Kratochvíl, Josef Kuthan

Journal:

Mendeleev Communications

Year:

2001

Language:

english

File:

PDF, 117 KB

english, 2001

40

Synthesis and structural studies of flavin and alloxazine adducts with O-nucleophiles

Petra Ménová, Václav Eigner, Jan Čejka, Hana Dvořáková, Miloslav Šanda, Radek Cibulka

Journal:

Journal of Molecular Structure

Year:

2011

Language:

english

File:

PDF, 1.26 MB

english, 2011

41

Structural Features of the 26 S Proteasome Complex

Jan-M. Peters, Zdenka Cejka, J.Robin Harris, Jürgen A. Kleinschmidt, Wolfgang Baumeister

Journal:

Journal of Molecular Biology

Year:

1993

File:

PDF, 542 KB

1993

42

Isolation and characterization of β2-microglobulin from urine of kidney transplant and multiple myeloma patients

Jan Čejka, Karel Kithier

Journal:

Archives of Biochemistry and Biophysics

Year:

1972

Language:

english

File:

PDF, 1.25 MB

english, 1972

43

Post-γ-globulin: Isolation and physicochemical characterization

Jan Čejka, Larry E. Fleischmann

Journal:

Archives of Biochemistry and Biophysics

Year:

1973

Language:

english

File:

PDF, 2.09 MB

english, 1973

44

Interaction of human hemoglobin with hydrogen ion

Zdeněk Vodrážka, Jan Čejka

Journal:

Biochimica et Biophysica Acta

Year:

1961

Language:

english

File:

PDF, 531 KB

english, 1961

45

A titration and electrophoretic study on blood proteins photooxidized in the presence of sensitizers

Zdeněk Vodrážka, Jan Čejka, Jiří Salák

Journal:

Biochimica et Biophysica Acta

Year:

1961

Language:

english

File:

PDF, 432 KB

english, 1961

46

Serum β2-microglobulin levels in normal children and sex-linked agammaglobulinemia patients

Jan Cejka, Flossie Cohen, Karel Kithier

Journal:

Clinica Chimica Acta

Year:

1973

Language:

english

File:

PDF, 220 KB

english, 1973

47

β2-Microglobulin in human colostrum and milk: Effect of breast feeding and physico-chemical characterization

Jan čejka, Janny A. Van Nieuwkoop, Darlene W. Mood, Karel Kithier, Jiří Rádl

Journal:

Clinica Chimica Acta

Year:

1976

Language:

english

File:

PDF, 643 KB

english, 1976

48

A simple method for the classification and typing of monoclonal immunoglobulins

Jan Čejka, Karel Kithier

Journal:

Immunochemistry

Year:

1976

Language:

english

File:

PDF, 494 KB

english, 1976

49

Synthesis and characterisation of a new naphthalene tris-Tröger’s base derivative—a chiral molecular clip

Dolenský, Bohumil, Kessler, Jiří, Jakubek, Milan, Havlík, Martin, Čejka, Jan, Novotná, Jana, Král, Vladimír

Journal:

Tetrahedron Letters

Year:

2013

Language:

english

File:

PDF, 871 KB

english, 2013

50

Immunoglobulins in acute leukemia in children

A. Samy Khalifa, Hiromichi Take, Jan Cejka, Wolf W. Zuelzer

Journal:

The Journal of Pediatrics

Year:

1974

Language:

english

File:

PDF, 305 KB

english, 1974

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@z-lib.do

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски