Collect. Czech. Chem. Commun. - Latest Articles http://cccc.uochb.cas.cz Collection of Czechoslovak Chemical Communications, published by the Institute of Organic Chemistry and Biochemistry, v. v. i., Academy of Sciences of the Czech Republic en Why do disilanes fail to fluoresce? Matthew K. MacLeod and Josef Michl* http://dx.doi.org/10.1135/cccc2011179 http://dx.doi.org/10.1135/cccc2011179 Recent developments in syntheses of the post-secodine indole alkaloids. Part III: Rearranged alkaloid types Josef Hájíček http://dx.doi.org/10.1135/cccc2011099 http://dx.doi.org/10.1135/cccc2011099 Enantioselective [2+2+2] cycloisomerisation of alkynes in the synthesis of helicenes: The search for effective chiral ligands Irena G. Stará*, Angelina Andronova, Adrian Kollárovič, Štěpán Vyskočil, Sylvain Jugé, Guy C. Lloyd-Jones, Patrick J. Guiry and Ivo Starý* http://dx.doi.org/10.1135/cccc2011177 http://dx.doi.org/10.1135/cccc2011177 Polarographic and voltammetric determination of genotoxic nitro derivatives of quinoline using mercury electrodes Vlastimil Vyskočil*, Ivan Jiránek, Aleš Daňhel, Jiří Zima, Jiří Barek, Joseph Wang and Karolina Pecková http://dx.doi.org/10.1135/cccc2011173 http://dx.doi.org/10.1135/cccc2011173 Formylation of amines and alcohols using aminopropylated mesoporous SBA-15 silica (APMS) as an efficient and recyclable catalyst Reihaneh Malakooti*, Sara Sobhani*, Nasrin Razavi, Soheila Shafiei and Rezvan Mokhtari http://dx.doi.org/10.1135/cccc2011131 http://dx.doi.org/10.1135/cccc2011131 Copper- and amine-free Sonogashira–Hagihara coupling reaction catalyzed by Pd(0) nanoparticles supported on modified crosslinked polyacrylamide Bahman Tamami* and Soheila Ghasemi http://dx.doi.org/10.1135/cccc2011168 http://dx.doi.org/10.1135/cccc2011168 A novel helical chainlike cobalt(II) coordination polymer containing 1D trigonal channels: Synthesis, crystal structure and properties Jin-Hua Cai*, Fan Zhong, Wen-Tong Chen and Yi-Min Jiang http://dx.doi.org/10.1135/cccc2011095 http://dx.doi.org/10.1135/cccc2011095 Preparation of polypyrrole by direct electrochemical oxidation of pyrrole on paraffin impregnated graphite electrode Mária Filkusová*, Renáta Oriňáková, Kvetoslava Markušová and Karol Kovaľ http://dx.doi.org/10.1135/cccc2011162 http://dx.doi.org/10.1135/cccc2011162 Phospholipid layer stabilization via Yb(III) on ITIES and facilitated K(I) transport Jana Jaklová Dytrtová*, Tomáš Navrátil and Vladimír Mareček http://dx.doi.org/10.1135/cccc2011149 http://dx.doi.org/10.1135/cccc2011149 1,3-Dibromo-5,5-dimethylhydantoin catalyzed one-pot synthesis of 2-arylbenzothiazoles Xiaojuan Yang* and Jinying Liang http://dx.doi.org/10.1135/cccc2011129 http://dx.doi.org/10.1135/cccc2011129 Electrochemical reduction of dodecylpyridinium bromide in aprotic solvents: Mechanistic studies Magdaléna Hromadová*, Lubomír Pospíšil, Romana Sokolová and Viliam Kolivoška http://dx.doi.org/10.1135/cccc2011154 http://dx.doi.org/10.1135/cccc2011154 The correct interpretation of tetramethylthiourea electrosorption data in 3 M NaClO4 solution Jolanta Nieszporek http://dx.doi.org/10.1135/cccc2011153 http://dx.doi.org/10.1135/cccc2011153 Electrochemical preparation of poly(vinylferrocenium)perchlorate-polyaniline composite-modified platinium electrode in methylene chloride Muammer Kavanoz, Mine Şen and Nuran Özçiçek Pekmez* http://dx.doi.org/10.1135/cccc2011075 http://dx.doi.org/10.1135/cccc2011075 Application of electrochemical impedance spectroscopy to the study of surface processes Manuela Rueda Rueda and Francisco Prieto Dapena* http://dx.doi.org/10.1135/cccc2011118 http://dx.doi.org/10.1135/cccc2011118 Voltammetric determination of flutamide and its metabolite 4-nitro-3-trifluoromethylaniline at a hanging mercury drop minielectrode Karolina Pecková*, Markéta Průchová, Josino C. Moreira, Jiří Barek, Jan Fischer and Vlastimil Vyskočil http://dx.doi.org/10.1135/cccc2011127 http://dx.doi.org/10.1135/cccc2011127 Early stage of nucleic acid electrochemistry. Detection of DNA damage in X-ray-irradiated rats Emil Paleček http://dx.doi.org/10.1135/cccc2011151 http://dx.doi.org/10.1135/cccc2011151 FeCl3–SiO2 as heterogeneous catalysts for the preparation of dihydropyrano[3,2-b]chromenediones Wei-Lin Li*, Jin-Ying Liang, Tian-Bao Wang and Ya-Qin Yang http://dx.doi.org/10.1135/cccc2011108 http://dx.doi.org/10.1135/cccc2011108 Polarographic and voltammetric determination of genotoxic 2-aminofluoren-9-one at mercury electrodes Andrea Hájková, Vlastimil Vyskočil*, Aleš Daňhel, Joseph Wang and Jiří Barek http://dx.doi.org/10.1135/cccc2011142 http://dx.doi.org/10.1135/cccc2011142 Determination of Drimarene Blue X-BLN at a glassy carbon electrode by differential pulse voltammetry Abd-Elgawad M. Radi*, Mohammed R. Mostafa, Reda M. Elshafey and Talaat A. Hegazy http://dx.doi.org/10.1135/cccc2011119 http://dx.doi.org/10.1135/cccc2011119 17O NMR study of ortho and alkyl substituent effects in substituted phenyl and alkyl esters of benzoic acids Vilve Nummert, Vahur Mäemets, Mare Piirsalu, Signe Vahur and Ilmar A. Koppel* http://dx.doi.org/10.1135/cccc2011100 http://dx.doi.org/10.1135/cccc2011100 Simultaneous determination of L-dopa and benserazide in binary mixtures using first derivative of the ratio-voltammetric methods based on their oxidation on solid electrode B. Tolga Demircigil, Burcu Dogan-Topal and Sibel A. Ozkan* http://dx.doi.org/10.1135/cccc2011136 http://dx.doi.org/10.1135/cccc2011136 Voltammetric study of 2-guanidinobenzimidazole: Electrode mechanism and determination at mercury electrode Sławomira Skrzypek*, Valentin Mirceski, Sylwia Smarzewska, Dariusz Guziejewski and Witold Ciesielski http://dx.doi.org/10.1135/cccc2011122 http://dx.doi.org/10.1135/cccc2011122 Some historical chemistry: The structures of dieucarvelones A, B and C and the structure of α-amyrilene Siegfried Huneck, Joseph D. Connolly* and Louis Farrugia http://dx.doi.org/10.1135/cccc2011120 http://dx.doi.org/10.1135/cccc2011120 Gibberellins – terpenoid plant hormones: Biological importance and chemical analysis Terezie Urbanová, Danuše Tarkowská*, Miroslav Strnad and Peter Hedden http://dx.doi.org/10.1135/cccc2011098 http://dx.doi.org/10.1135/cccc2011098 The influence of the host–guest interaction on the oxidation of natural flavonoid dyes Šárka Ramešová, Romana Sokolová*, Ilaria Degano, Magdaléna Hromadová, Miroslav Gál, Viliam Kolivoška and Maria Perla Colombini http://dx.doi.org/10.1135/cccc2011106 http://dx.doi.org/10.1135/cccc2011106 Electrochemical oxidation of atorvastatin and its adsorptive stripping determination in pharmaceutical dosage forms and biological fluids Dilek Eskiköy, Zehra Durmuş* and Esma Kiliç http://dx.doi.org/10.1135/cccc2011117 http://dx.doi.org/10.1135/cccc2011117 Cyclic voltammetry of natural flavonoids on MWNT-modified electrode and their determination in pharmaceuticals Guzel Ziyatdinova*, Ilmira Aytuganova, Alfiya Nizamova, Mikhail Morozov and Herman Budnikov http://dx.doi.org/10.1135/cccc2011115 http://dx.doi.org/10.1135/cccc2011115 Metronidazole radical anion formation studied by means of electrochemical impedance spectroscopy Miroslav Gál*, Romana Sokolová, Viliam Kolivoška, Andrea Morovská Turoňová, Marta Ambrová and Ján Híveš http://dx.doi.org/10.1135/cccc2011113 http://dx.doi.org/10.1135/cccc2011113 Performance evaluation of “ship-in-the-bottle” type heteropoly acid encaged Y-type zeolite as catalyst for oxidative desulfurization Han Wang and Rui Wang* http://dx.doi.org/10.1135/cccc2011058 http://dx.doi.org/10.1135/cccc2011058 Enantioselective synthesis of a taxol C ring Cong Ma, Stéphanie Schiltz and Joëlle Prunet* http://dx.doi.org/10.1135/cccc2011039 http://dx.doi.org/10.1135/cccc2011039 Isotope exchange reactions of the hydrogen H-5 of selected pyrimidine derivatives and the preparation of tritium-labeled pyrimidines Martin Dračínský*, Petr Jansa* and Tomáš Elbert http://dx.doi.org/10.1135/cccc2011101 http://dx.doi.org/10.1135/cccc2011101 Conformationally locked nucleoside analogues based on the bridgehead substituted 7-oxonorbornane and their antiviral properties Milan Dejmek, Hubert Hřebabecký, Martin Dračínský, Johan Neyts, Pieter Leyssen, Helena Mertlíková-Kaiserová and Radim Nencka* http://dx.doi.org/10.1135/cccc2011152 http://dx.doi.org/10.1135/cccc2011152 A theoretical study of the nitration of eugenol with the nitronium ion Ricardo Ugarte, Guillermo Salgado* and Luis Basáez http://dx.doi.org/10.1135/cccc2011156 http://dx.doi.org/10.1135/cccc2011156 6-Alkynylpurines bearing electronacceptor substituents: Preparation, reactivity in cycloaddition reactions and cytostatic activity Martin Křováček, Hana Dvořáková, Ivan Votruba, Ivana Císařová and Dalimil Dvořák* http://dx.doi.org/10.1135/cccc2011176 http://dx.doi.org/10.1135/cccc2011176 Assessment on the effects of the operational conditions on the manufacture of PLA-based composites using an integrated compounding–injection moulding machine Daniel González, Ana Rita Campos, Antonio M. Cunha, Valentín Santos* and Juan Carlos Parajó http://dx.doi.org/10.1135/cccc2011166 http://dx.doi.org/10.1135/cccc2011166 Synthesis, physico-chemical and biological properties of DNA and RNA oligonucleotides containing short alkylamino internucleotide bond Milena Sobczak, Katarzyna Kubiak, Magdalena Janicka, Malgorzata Sierant, Barbara Mikolajczyk and Barbara Nawrot* http://dx.doi.org/10.1135/cccc2011090 http://dx.doi.org/10.1135/cccc2011090 Docking alignment-3D-QSAR of a new class of potent and non-chiral indole-3-carboxamide-based renin inhibitors Jahan B. Ghasemi* and Somayeh Pirhadi http://dx.doi.org/10.1135/cccc2011070 http://dx.doi.org/10.1135/cccc2011070 Electrochemical impedance spectroscopy study of electron transfer at poly(3,4-ethylenedioxythiophene) containing gold nanoparticles coating Stelian Lupu http://dx.doi.org/10.1135/cccc2011109 http://dx.doi.org/10.1135/cccc2011109 7-Halogenated 7-deazapurine 2′-C-methylribonucleosides Frank Seela*, Simone Budow, Kuiying Xu, Xioahua Peng and Henning Eickmeier http://dx.doi.org/10.1135/cccc2011124 http://dx.doi.org/10.1135/cccc2011124 Autofluorescent fused-pyrimidine nucleosides: Synthesis and evaluation as permeants and inhibitors of human nucleoside transporters Ireneusz Nowak, Vijaya L. Damaraju, Carol E. Cass, James D. Young and Morris J. Robins* http://dx.doi.org/10.1135/cccc2011061 http://dx.doi.org/10.1135/cccc2011061