1)
''Waste Plastic and Pharmaceuticals, Could an Integrated Solution Help?'',
Karel D. Klika,
Envirnomental Science & Technology, 2013, 47, 101112.
2)
''Chemoenzymatic Synthesis of Novel C-Ribosylated Naphthoquinones'',
Bastian Blauenburg, Terhi Oja, Karel D. Klika, and Mikko Metsä-Ketelä,
ACS Chemical Biology, 2013, published online.
3)
''Should Experimental Chemists Be Doing More to Help
Evaluate the Toxicological Potential of Nanoparticles?'',
Karel D. Klika,
ISRN Nanomaterials, 2013, 2013, Article ID 801242.
4)
''The Potential of 13C Isotopomers as a Test for the
Vibrational Theory of Olfactory Sense Recognition'',
Karel D. Klika,
ISRN Organic Chemistry, 2013, 2013, Article ID 515810.
5)§
''Structural basis for C-ribosylation in the alnumycin A biosynthetic pathway'',
Terhi Oja, Laila Niiranen, Tatyana Sandalova, Karel D. Klika, Jarmo Niemi,
Pekka Mäntsälä, Gunter Schneider, and Mikko Metsä-Ketelä
Proceedings of the National Academy of Sciences of
the United States of America, 2013, 110, 12916.
6)
''Chiral Solid Solutions for the NMR Analysis of Enantiomers:
A Potential New Approach to Chiral Analysis'',
Karel D. Klika,
Journal of Spectroscopy, 2013, 2013, Article ID 970654.
7)
''Differentiation Between 6- and 7-Membered Rings Based
on Theoretical Calculation of NMR Parameters'',
Karel D. Klika,
ISRN Spectroscopy, 2012, 2012, Article ID 697156.
8)
''Formation of 5-Hydroxy-3-methoxy-1,4-naphthoquinone and
8-Hydroxy-4-methoxy-1,2-naphthoquinone from Juglone'',
Bastian Blauenburg, Mikko Metsä-Ketelä, and Karel D. Klika,
ISRN Organic Chemistry, 2012, 2012, Article ID 274980.
9)
''Suggested New Terms for Describing Chiral States and
the State-Dependent Behavior of Chiral Systems''
Karel D. Klika,
International Journal of Organic Chemistry, 2012, 2, 22432.
10)
''The potential of VCD to resolve the epimer vs. inverse epimer quandary'',
Karel D. Klika, Petri Tähtinen, Pekka Mäntsälä, Jarmo Niemi, and Mikko Metsä-Ketelä,
Computational and Theoretical Chemistry, 2012, 992, 15663.
11)
''Alnumycins A2 and A3: new inverse-epimeric pairs stereoisomeric to alnumycin A1'',
Terhi Oja, Petri Tähtinen, Nadine Dreiack, Pekka Mäntsälä,
Jarmo Niemi, Mikko Metsä-Ketelä, and Karel D. Klika,
Tetrahedron: Asymmetry, 2012, 23, 67082.
§
Designated as an F1000Prime paper by the Faculty of 1000 as being of special significance in its field.
12)
''Epimers vs. inverse epimers: the C-1 configuration in alnumycin A1'',
Petri Tähtinen, Terhi Oja, Nadine Dreiack, Pekka Mäntsälä,
Jarmo Niemi, Mikko Metsä-Ketelä, and Karel D. Klika,
RSC Advances, 2012, 2, 5098100.
13)
''Tailoring Enzymes Involved in the Biosynthesis of Angucyclines
Contain Latent Context-Dependent Catalytic Activities'',
Pekka Patrikainen, Pauli Kallio, Keqiang Fan, Karel D. Klika, Khaled A. Shaaban,
Pekka Mäntsälä, Jürgen Rohr, Keqian Yang, Jarmo Niemi, and Mikko Metsä-Ketelä,
Chemistry & Biology, 2012, 19, 64755.
14)§ ''Biosynthetic pathway toward carbohydrate-like moieties of alnumycins
contains unusual steps for CC bond formation and cleavage'',
Terhi Oja, Karel D. Klika, Laura Appassamy, Jari Sinkkonen,
Pekka Mäntsälä, Jarmo Niemi, and Mikko Metsä-Ketelä,
Proceedings of the National Academy of Sciences of
the United States of America, 2012, 109, 60249.
15)
''Application of the PROJECT Concept for Suppression
of J Modulation to DEPT for 13C-Multilabeled Analytes'',
Karel D. Klika,
Organic Letters, 2012, 14, 5247.
16)
''Proposed Extension to the Natta Projection Notation System for Enabling
an Indication of Relative Stereochemistry and the Stereochemical State''
Karel D. Klika,
International Journal of Organic Chemistry, 2011, 1, 2157.
17)
''Synthesis of 7-substituted 3- -D-ribofuranosyl-3H-imidazo[1,2-i]purines'',
Tuomas Karskela, Karel D. Klika, and Harri Lönnberg,
Collection of Czechoslovak Chemical Communications, 2011, 76, 104354.
18)
''Polyketide derivatives active against Botrytis cinerea in Gerbera hybrida'',
Satu Koskela, Päivi P. Söderholm, Miia Ainasoja, Tero Wennberg,
Karel D. Klika, Vladimir V. Ovcharenko, Irene Kylänlahti, Tiina Auerma,
Jari Yli-Kauhaluoma, Kalevi Pihlaja, Pia M. Vuorela, and Teemu H. Teeri,
Planta, 2011, 233, 3748.
19)
''Direct detection of non-proton bearing 15N nuclei
by long-range couplings using polarization transfer'',
Karel D. Klika,
Magnetic Resonance in Chemistry, 2010, 48, 81822.
20)
''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, and Peter Kutschy,
Tetrahedron: Asymmetry, 2010, 21, 64758.
21)
''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 anisochronism (SIDA) and enantiomer
self-disproportionation on achiral-phase chromatography (ESDAC) phenomena'',
Karel D. Klika, Mariana Budovská, and Peter Kutschy,
Journal of Fluorine Chemistry, 2010, 131, 46776.
§
Designated as an F1000Prime paper by the Faculty of 1000 as being of special significance in its field.
22)
''4-(9,10-Dihydroacridin-9-ylidene)thiosemicarbazide and its
five-membered thiazole and six-membered thiazine derivatives'',
Ivan Potočňák, Ján Imrich, Ivan Danihel, Jozef Kožíšek, and Karel D. Klika,
Acta Crystallographica Section C, 2010, 66, o8792.
23)
''Selective Formation of 5- or 6-Membered Rings, 1,3-Thiazolidin-4-one vs.
1,3-Thiazin-4-one, from Acridine Thiosemicarbazides by the Use of Ethyne Acid Esters'',
Ján Imrich, Jana Tomaščiková, Ivan Danihel, Pavol Kristian, Stanislav Böhm, and Karel D. Klika,
Heterocycles, 2010, 80, 489503.
24)
''Novel Carbohydrazide and Hydrazone Biomarkers Based
on 9-Substituted Acridine and Anthracene Fluorogens'',
Zdenka Bedlovičová, Ján Imrich, Pavol Kristian, Ivan Danihel, Stanislav Böhm,
Danica Sabolová, Mária Kožurková, Helena Pauliková, and Karel D. Klika,
Heterocycles, 2010, 80, 104766.