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1

Betalain and phenolic compositions of four beetroot (Beta vulgaris) cultivars

Tytti S. Kujala, Maarit S. Vienola, Karel D. Klika, Jyrki M. Loponen, Kalevi Pihlaja

Journal:

European Food Research and Technology

Year:

2002

Language:

english

File:

PDF, 59 KB

english, 2002

2

Phenolics and Betacyanins in Red Beetroot ( Beta v ulgaris ) Root: Distribution and Effect of Cold Storage on the Content of Total Phenolics and Three Individual Compounds

Kujala, Tytti S., Loponen, Jyrki M., Klika, Karel D., Pihlaja, Kalevi

Journal:

Journal of Agricultural and Food Chemistry

Year:

2000

Language:

english

File:

PDF, 79 KB

english, 2000

3

Chiral sulfoxides: advances in asymmetric synthesis and problems with the accurate determination of the stereochemical outcome

Han, Jianlin, Soloshonok, Vadim A., Klika, Karel D., Drabowicz, Józef, Wzorek, Alicja

Journal:

Chemical Society Reviews

Year:

2018

Language:

english

File:

PDF, 3.14 MB

english, 2018

4

Hybrid Anthracyclines from a Genetically Engineered Streptomyces g alilaeus Mutant

Kunnari, Tero J., Ylihonko, Kristiina P. J., Klika, Karel D., Mäntsälä, Pekka I., Hakala, Juha M. L.

Journal:

Journal of Organic Chemistry

Year:

2000

Language:

english

File:

PDF, 121 KB

english, 2000

5

Phenolic Extractives from the Bark of Pinus sylvestris L. and Their Effects on Inflammatory Mediators Nitric Oxide and Prostaglandin E 2

Karonen, Maarit, Hämäläinen, Mari, Nieminen, Riina, Klika, Karel D., Loponen, Jyrki, Ovcharenko, Vladimir V., Moilanen, Eeva, Pihlaja, Kalevi

Journal:

Journal of Agricultural and Food Chemistry

Year:

2004

Language:

english

File:

PDF, 209 KB

english, 2004

6

Anatomy and classification of the posterior tibial fragment in ankle fractures

Bartoníček, Jan, Rammelt, Stefan, Kostlivý, Karel, Vaněček, Václav, Klika, Daniel, Trešl, Ivo

Journal:

Archives of Orthopaedic and Trauma Surgery

Year:

2015

Language:

english

File:

PDF, 2.20 MB

english, 2015

7

The C6 configuration and syn/anti conformational preference of the bisulfite adducts of deoxyuridine and deoxycytidine by NMR and DFT calculations

Klika, Karel D., Schüler, Peter, Miller, Aubry K.

Journal:

Tetrahedron: Asymmetry

Year:

2014

Language:

english

File:

PDF, 782 KB

english, 2014

8

Quantitative pulsed CEST-MRI using Ω -plots

Meissner, Jan-Eric, Goerke, Steffen, Rerich, Eugenia, Klika, Karel D., Radbruch, Alexander, Ladd, Mark E., Bachert, Peter, Zaiss, Moritz

Journal:

NMR in Biomedicine

Year:

2015

Language:

english

File:

PDF, 1.41 MB

english, 2015

9

Cytotoxic Effect of (Z)-Ethylidene-4,6-Dimethoxycoumaran-3-One Isolated from Pogostemon quadrifolius (Benth.) on PC-3 and DU-145 Prostate Cancer Cells

Cheriyamundath, Sanith, Raghavan, Rahul, Vinod, Deepika, Megha, K. B., Banerji, Asoke, Klika, Karel D., Owen, Robert W., Madassery, Joseph

Journal:

Proceedings of the National Academy of Sciences, India Section B: Biological Sciences

Year:

2017

Language:

english

File:

PDF, 1.78 MB

english, 2017

10

Relaxation-compensated APT and rNOE CEST-MRI of human brain tumors at 3 T

Goerke, Steffen, Soehngen, Yannick, Deshmane, Anagha, Zaiss, Moritz, Breitling, Johannes, Boyd, Philip S., Herz, Kai, Zimmermann, Ferdinand, Klika, Karel D., Schlemmer, Heinz-Peter, Paech, Daniel, Lad

Journal:

Magnetic Resonance in Medicine

Year:

2019

Language:

english

File:

PDF, 1.00 MB

english, 2019

11

Platination of the Exocyclic Amino Group of the Adenine Nucleobase by PtII Migration

Jorma Arpalahti, Karel D. Klika

Journal:

European Journal of Inorganic Chemistry

Year:

1999

Language:

english

File:

PDF, 238 KB

english, 1999

12

Linkage Isomerization in PtII–9-Methyladenine Complexes

Jorma Arpalahti, Karel D. Klika, Satu Molander

Journal:

European Journal of Inorganic Chemistry

Year:

2000

Language:

english

File:

PDF, 320 KB

english, 2000

13

Regioselective Synthesis of 2-Imino-1,3-thiazolidin-4-ones by Treatment of N-(Anthracen-9-yl)-N′-ethylthiourea with Bromoacetic Acid Derivatives

Karel D. Klika, Ladislav Janovec, Ján Imrich, Gejza Suchár, Pavol Kristian, Reijo Sillanpää, Kalevi Pihlaja

Journal:

European Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 308 KB

english, 2002

14

The Kinetics of Substitution Reactions of Mixed Platinum(II)–Bis(nucleoside) Complexes in Aqueous Solution in the Presence of Thiourea; X-Ray Crystal Structure Determination of cis-[Pt(NH3)2(adenosine-N7)2](ClO4)2⋅3.5 H2O

Marjaana Mikola, Karel D. Klika, Jorma Arpalahti

Journal:

Chemistry - A European Journal

Year:

2000

Language:

english

File:

PDF, 261 KB

english, 2000

15

ChemInform Abstract: Hybrid Anthracyclines from a Genetically Engineered Streptomyces galilaeus Mutant.

Tero J. Kunnari, Kristiina P. J. Ylihonko, Karel D. Klika, Pekka I. Maentsaelae, Juha M. L. Hakala

Journal:

Year:

2000

File:

PDF, 28 KB

2000

16

ChemInform Abstract: Frankiamide, a Highly Unusual Macrocycle Containing the Imide and Orthoamide Functionalities from the Symbiotic Actinomycete Frankia.

Karel D. Klika, J. Pasi Haansuu, Vladimir V. Ovcharenko, Kielo K. Haahtela, Pia M. Vuorela, Kalevi Pihlaja

Journal:

Year:

2001

File:

PDF, 26 KB

2001

17

Hybrid Compounds Generated by the Introduction of a Nogalamycin-Producing Plasmid into Streptomyces argillaceus.

Tero Kunnari, Karel D. Klika, Gloria Blanco, Carmen Mendez, Pekka Maentsaelae, Juha Hakala, Reijo Sillanpaeae, Petri Taehtinen, Jose Salas, Kristiina Ylihonko

Journal:

Year:

2003

File:

PDF, 90 KB

2003

18

Frankiamide: A Structural Revision to Demethyl (C-11) Cezomycin.

Karel D. Klika, J. Pasi Haansuu, Vladimir V. Ovcharenko, Kielo K. Haahtela, Pia M. Vuorela, Reijo Sillanpaeae, Kalevi Pihlaja

Journal:

Year:

2004

File:

PDF, 63 KB

2004

19

Syntheses and NMR, MS and X-Ray Investigations of Homoadamantane-Fused Pyridopyrimidinones.

Zsuzsanna Cs. Gyarmati, Peter Csomos, Gabor Bernath, Pauliina Valtamo, Henri Kivelae, Gyula Argay, Alajos Kalman, Karel D. Klika, Kalevi Pihlaja

Journal:

Year:

2004

File:

PDF, 138 KB

2004

20

ChemInform Abstract: Synthesis and Properties of Novel Biologically Interesting Polycyclic 1,3,4-Oxadiazoles Containing Acridine/Acridone Moieties.

Zdenka Froehlichova, Jana Tomascikova, Jan Imrich, Pavol Kristian, Ivan Danihel, Stanislav Boehm, Danica Sabolova, Maria Kozurkova, Karel D. Klika

Journal:

Year:

2009

File:

PDF, 21 KB

2009

21

ChemInform Abstract: Synthesis of 7-Substituted 3-β-D-Ribofuranosyl-3H-imidazo[2,1-i]purines.

Tuomas Karskela, Karel D. Klika, Harri Loennberg

Journal:

Year:

2011

File:

PDF, 40 KB

2011

22

1H, 13C, and 15N NMR stereochemical study of cis-fused 7a(8a)-methyl and 6-phenyl octa(hexa)hydrocyclopenta[d][1,3]oxazines and [3,1]benzoxazines

Petri Tähtinen, Jari Sinkkonen, Karel D. Klika, Ville Nieminen, Géza STájer, Zsolt Szakonyi, Ferenc FüLöp, Kalevi Pihlaja

Journal:

Year:

2002

Language:

english

File:

PDF, 140 KB

english, 2002

23

Platinum−Nitrogen Bond Rearrangements in Isomeric cis-PtII(NH3)2-bis(9-methyladenine) Complexes under Alkaline Conditions

Jorma Arpalahti, Karel D. Klika

Journal:

European Journal of Inorganic Chemistry

Year:

2003

Language:

english

File:

PDF, 176 KB

english, 2003

24

Structures of Saturated 5H-Pyrrolo[1,2-a][3,1]benzoxazin-1(2H)-ones Prepared from 4-Oxopentanoic Acid and Cyclic Amino Alcohols

Henri Kivelä, Karel D. Klika, Angela Szabó, Géza Stájer, Kalevi Pihlaja

Journal:

European Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 201 KB

english, 2003

25

New, Sesquiterpenoid-Type Bicyclic Compounds from the Buds of Betulapubescens − Ring-Contracted Products of β-Caryophyllene?

Karel D. Klika, Betül Demirci, Juha-Pekka Salminen, Vladimir V. Ovcharenko, Satu Vuorela, K. Hüsnü Can Başer, Kalevi Pihlaja

Journal:

European Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 153 KB

english, 2004

26

The Structural Identification and Conformational Analysis of the Products from the Reaction of Acrolein with 2′-Deoxycytidine, 1-Methylcytosine and Calf Thymus DNA

Agnieszka J. Pawłowicz, Karel D. Klika, Leif Kronberg

Journal:

European Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 167 KB

english, 2007

27

Identification of Adducts Formed in the Reactions of 2′-Deoxyguanosine and Calf Thymus DNA with Glutaraldehyde

Raymond Olsen, Josefin Backman, Paal Molander, Karel D. Klika, Leif Kronberg

Journal:

European Journal of Organic Chemistry

Year:

2007

Language:

english

File:

PDF, 143 KB

english, 2007

28

Cover Picture: The Structural Identification and Conformational Analysis of the Products from the Reaction of Acrolein with 2′-Deoxycytidine, 1-Methylcytosine and Calf Thymus DNA (Eur. J. Org. Chem. 9/2007)

Agnieszka, J. Pawłowicz, Karel D. Klika, Leif Kronberg

Journal:

European Journal of Organic Chemistry

Year:

2007

File:

PDF, 99 KB

2007

29

Syntheses and NMR, MS and X-ray investigations of homoadamantane-fused pyridopyrimidinones

Zsuzsanna Cs. Gyarmati, Péter Csomós, Gábor Bernáth, Pauliina Valtamo, Henri Kivelä, Karel D. Klika, Kalevi Pihlaja, Gyula Argay, Alajos Kálmán

Journal:

Journal of Heterocyclic Chemistry

Year:

2004

Language:

english

File:

PDF, 481 KB

english, 2004

30

Stereochemistry, tautomerism, and reactions of acridinyl thiosemicarbazides in the synthesis of 1,3-thiazolidines

Eva Balentová, Ján Imrich, Juraj Bernáat, Lucia Suchá, Mária Vilková, Pavol Kristian, Kalevi Pihlaja, Karel D. Klika, Nad'a Pröanayová

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 1.01 MB

english, 2006

31

Tautomerism, regioisomerism, and cyclization reactions of acridinyl thiosemicarbazides

Karel D. Klika, Eva Balentová, Kalevi Pihlaja, Juraj Bernát, Ján Imrich, Martina Vavrušová, Erich Kleinpeter, Andreas Koch

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 954 KB

english, 2006

32

Unusual structures derived from N-acridin-9-yl methyl N′-acridin-9-yl thiourea based on the propensity of N-10 to retain H

Karel D. Klika, Kalevi Pihlaja, Ján Imrich, Mária Vilková, Juraj Bernát

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 305 KB

english, 2006

33

Configuration and E/Z interconversion mechanism of O(S)-allyl-S(O)-methyl-N-(acridin-9-yl) iminothiocarbonate

Karel D. Klika, Ján Imrich, Ivan Danihel, Stanislav Böhm, Pavol Kristian, Slávka Hamul'aková, Kalevi Pihlaja, Andreas Koch, Erich Kleinpeter

Journal:

Magnetic Resonance in Chemistry

Year:

2005

Language:

english

File:

PDF, 341 KB

english, 2005

34

Direct detection of non-proton-bearing 15N nuclei by long-range couplings using polarization transfer

Journal:

Magnetic Resonance in Chemistry

Year:

2010

Language:

english

File:

PDF, 442 KB

english, 2010

35

1H and 13C NMR conformational study of N-substituted hexahydrocyclopent[e][1,3]-oxazin-4-ones and hexahydro-2H-1,3-benzoxazin-4-ones

Roustem A. Shaikhutdinov, Karel D. Klika, Ferenc Fülöp, Kalevi Pihlaja

Journal:

Magnetic Resonance in Chemistry

Year:

2001

Language:

english

File:

PDF, 191 KB

english, 2001

36

1H, 13C and 17O NMR spectral studies on monocyclic dioxolanes, dioxanes, dioxepanes and dioxocanes and cycloalkane-fused (5–8-membered) bicyclic 1,3-dioxolanes and 1,3-dioxanes

Kalevi Pihlaja, Heli Nummelin, Karel D. Klika, József Czombos

Journal:

Magnetic Resonance in Chemistry

Year:

2001

Language:

english

File:

PDF, 193 KB

english, 2001

37

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

38

Reaction of acrolein with 2′-deoxyadenosine and 9-ethyladenine—Formation of cyclic adducts

Agnieszka J. Pawłowicz, Tony Munter, Karel D. Klika, Leif Kronberg

Journal:

Bioorganic Chemistry

Year:

2006

Language:

english

File:

PDF, 266 KB

english, 2006

39

NMR spectral enantioresolution of spirobrassinin and 1-methoxyspirobrassinin enantiomers using (S)-(−)-ethyl lactate and modeling of spirobrassinin self-association for rationalization of its self-induced diastereomeric anisochromism (SIDA) and enantiomer self-disproportionation on achiral-phase chromatography (ESDAC) phenomena

Karel D. Klika, Mariana Budovská, Peter Kutschy

Journal:

Journal of Fluorine Chemistry

Year:

2010

Language:

english

File:

PDF, 361 KB

english, 2010

40

Spectral properties of Eu(III) compound with antibacterial agent ciprofloxacin (cfqH). Crystal structure of [Eu(cfqH)(cfq)(H2O)4]Cl2 · 4.55H2O

Danijela Čurman, Petra Živec, Ivan Leban, Iztok Turel, Anna Polishchuk, Karel D. Klika, Emiliya Karaseva, Vladimir Karasev

Journal:

Year:

2008

Language:

english

File:

PDF, 321 KB

english, 2008

41

Spectroscopic, structural and theoretical studies of novel, potentially cytotoxic 4-acridonecarboxamide imines

Zdenka Fröhlichová, Ján Imrich, Ivan Danihel, Pavol Kristian, Stanislav Böhm, Danica Sabolová, Mária Kožurková, Ol’ga Hritzová, Branislav Horváth, Tatiana Bušová, Karel D. Klika

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2009

Language:

english

File:

PDF, 849 KB

english, 2009

42

Use of sub-stoichiometric amounts of chiral auxiliaries for enantiodifferentiation by NMR; caveats and potential utility

Journal:

Tetrahedron: Asymmetry

Year:

2009

Language:

english

File:

PDF, 314 KB

english, 2009

43

Enantiodifferentiation of phytoalexin spirobrassinin derivatives using the chiral solvating agent (R)-(+)-1,1′-bi-2-naphthol in conjunction with molecular modeling

Karel D. Klika, Mariana Budovská, Peter Kutschy

Journal:

Tetrahedron: Asymmetry

Year:

2010

Language:

english

File:

PDF, 774 KB

english, 2010

44

Conformational equilibria of citral

Jouni Pihlasalo, Karel D. Klika, Dmitry Yu. Murzin, Ville Nieminen

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2007

Language:

english

File:

PDF, 260 KB

english, 2007

45

DFT computational studies of hydrogen bonding-based diastereomeric complexes – Limitations and applications to enantiodifferentiation

Karel D. Klika, Markus Kramer, Erich Kleinpeter

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2009

Language:

english

File:

PDF, 463 KB

english, 2009

46

Computational study to assign structure, tautomerism, E/Z and s-cis/s-trans isomerism, π-delocalization, partial aromaticity, and the ring size of 1,3-thiazolidin-4-ones and 1,3-thiazin-4-ones formed from thiosemicarbazides

Stanislav Böhm, Jana Tomaščiková, Ján Imrich, Ivan Danihel, Pavol Kristian, Andreas Koch, Erich Kleinpeter, Karel D. Klika

Journal:

Journal of Molecular Structure: THEOCHEM

Year:

2009

Language:

english

File:

PDF, 1021 KB

english, 2009

47

Solvent polarity effects on the EZ conformational equilibrium of N-1-naphthylamides

Jaan Leis, Karel D. Klika, Mati Karelson

Journal:

Year:

1998

Language:

english

File:

PDF, 347 KB

english, 1998

48

Dynamic processes in N-acylated 1,2-dihydro-2,2,4-trimethylbenzo(h)quinoline: A comparative study by NMR spectroscopy and quantum chemistry

Jaan Leis, Karel D. Klika, Kalevi Pihlaja, Mati Karelson

Journal:

Year:

1999

Language:

english

File:

PDF, 461 KB

english, 1999

49

Incorrectly folded aromatic polyketides from polyketide reductase deficient mutants

Tero Kunnari, Kristiina Ylihonko, Anne Hautala, Karel D. Klika, Pekka Mäntsälä, Juha Hakala

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1999

Language:

english

File:

PDF, 195 KB

english, 1999

50

Application of centrifugal force to the extraction and separation of parasorboside and gerberin from Gerbera hybrida

Teijo Yrjönen, Pia Vuorela, Karel D. Klika, Kalevi Pihlaja, Teemu H. Teeri, Heikki Vuorela

Journal:

Phytochemical Analysis

Year:

2002

Language:

english

File:

PDF, 93 KB

english, 2002