Collect. Czech. Chem. Commun. 2009, 74, 189-215
https://doi.org/10.1135/cccc2008180
Published online 2009-02-11 11:34:11

The quest for alternative routes to racemic and nonracemic azahelicene derivatives

Angelina Andronovaa,b, Florence Szydloa, Filip Teplýa, Miroslava Tobrmanováa, Amandine Volota, Irena G. Staráa,b,*, Ivo Starýa,b,*, Lubomír Rulíšeka,b, David Šamana, Josef Cvačkaa, Pavel Fiedlera and Pavel Vojtíšekc

a Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i., Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
b Center for Biomolecules and Complex Molecular Systems, Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, v.v.i., Flemingovo nám. 2, 1 66 10 Prague 6, Czech Republic
c Department of Inorganic Chemistry, Charles University, Albertov 2030, 128 40 Prague 2, Czech Republic

Individual author index pages


Other CCCC articles of these authors

  • Alois Pískala, Naeem B. Hanna, Milena Masojídková, Miroslav Otmar and Pavel Fiedler
    Synthesis of N4-alkyl-5-azacytidines and their base pairing with carbamoylguanidines – a contribution to explanation of the mutagenicity of 5-aza-2'-deoxycytidine
    Symposium Series 1999, Vol. 2, pp. 248–251 [Abstract]
    Published online 2016-05-08 23:31:28
  • Josef Cvačka, Zdeněk Voburka, Oldřich Hovorka, Kateřina Nováková, Irena Valterová and Václav Čeřovský
    Mass spectrometry of peptides from bumblebee venom reservoirs
    Symposium Series 2007, Vol. 9, pp. 29–32 [Abstract]
    Published online 2015-11-06 11:56:53
  • Rudolf Ježek, Daniela Janechová, Josef Cvačka, Jiřina Slaninová, Zdeněk Voburka, Oldřich Hovorka, Vladimír Fučík, Lenka Borovičková, Petr Maloň and Václav Čeřovský
    New peptides with antimicrobial activity isolated from the venom of the bumblebee Bombus pascuorum (hymenoptera: apidae)
    Symposium Series 2009, Vol. 11, pp. 51–54 [Abstract]
    Published online 2015-08-26 09:41:36
  • Lenka Monincová, Vladimír Fučík, Zdeněk Voburka, Josef Cvačka, Václav Čeřovský and Petr Šrůtka
    A novel defensin from the mucus of the wood wasp Xiphydria camelus
    Symposium Series 2011, Vol. 13, pp. 86–89 [Abstract]
    Published online 2015-07-15 10:15:30
  • Irena G. Stará*, Angelina Andronova, Adrian Kollárovič, Štěpán Vyskočil, Sylvain Jugé, Guy C. Lloyd-Jones, Patrick J. Guiry and Ivo Starý*
    Enantioselective [2+2+2] cycloisomerisation of alkynes in the synthesis of helicenes: The search for effective chiral ligands
    2011, Vol. 76, Issue 12, pp. 2005–2022 [Abstract]
  • Filip Teplý
    Photoredox catalysis by [Ru(bpy)3]2+ to trigger transformations of organic molecules. Organic synthesis using visible-light photocatalysis and its 20th century roots
    2011, Vol. 76, Issue 7, pp. 859–917 [Abstract] [Full text pdf]
  • Miroslava Tobrmanová, Tomáš Tobrman* and Dalimil Dvořák
    Pd-catalyzed allylic substitution of purin-8-yl(allyl) acetate: Route to (E)-alkenylpurines
    2011, Vol. 76, Issue 4, pp. 311–326 [Abstract]
  • Michal Šámal, Jiří Míšek, Irena G. Stará* and Ivo Starý*
    Organocatalysis with azahelicenes: the first use of helically chiral pyridine-based catalysts in the asymmetric acyl transfer reaction
    2009, Vol. 74, Issue 7-8, pp. 1151–1159 [Abstract]
  • Louis Adriaenssens, Lukáš Severa, Jan Vávra, Tereza Šálová, Jakub Hývl, Martina Čížková, Radek Pohl, David Šaman and Filip Teplý*
    Bio- and air-tolerant carbon–carbon bond formations via organometallic ruthenium catalysis
    2009, Vol. 74, Issue 7-8, pp. 1023–1034 [Abstract] [Full text pdf]
  • Jiří Míšek, Miloš Tichý, Irena G. Stará, Ivo Starý* and Detlef Schröder*
    Preferential formation of homochiral silver(I) complexes upon coordination of two aza[6]helicene ligands to Ag+ ions
    2009, Vol. 74, Issue 2, pp. 323–333 [Abstract]
  • Martin Lepšík, Martin Srnec, Drahomír Hnyk, Bohumír Grüner, Jaromír Plešek, Zdeněk Havlas and Lubomír Rulíšek*
    exo-Substituent effects in halogenated icosahedral (B12H122–) and octahedral (B6H62–) closo-borane skeletons: chemical reactivity studied by experimental and quantum chemical methods
    2009, Vol. 74, Issue 1, pp. 1–27 [Abstract]
  • Ondřej Kysilka, Markéta Rybáčková, Martin Skalický, Magdalena Kvíčalová, Josef Cvačka and Jaroslav Kvíčala*
    HFPO Trimer-Based Alkyl Triflate, a Novel Building Block for Fluorous Chemistry. Preparation, Reactions and 19F gCOSY Analysis
    2008, Vol. 73, Issue 12, pp. 1799–1813 [Abstract]
  • Martin Srnec, Jakub Chalupský and Lubomír Rulíšek*
    Are Octahedral Ruthenium(II/III) and Osmium(II/III) Complexes Always Low-Spin?
    2008, Vol. 73, Issue 10, pp. 1231–1244 [Abstract]
  • Zuzana Krausová, Petr Sehnal, Filip Teplý, Irena G. Stará*, Ivo Starý*, David Šaman, Josef Cvačka and Pavel Fiedler
    Synthesis of Methoxy Substituted Centrally Chiral Triynes as Precursors of Functionalised Nonracemic Helicene-Like Compounds
    2007, Vol. 72, Issue 11, pp. 1499–1522 [Abstract]
  • David Šaman, Pavel Kratina, Jitka Moravcová, Martina Wimmerová and Zdeněk Wimmer*
    Synthesis and Structure Assignment of 2-(4-Methoxybenzyl)cyclohexyl β-D-Glucopyranoside Enantiomers
    2006, Vol. 71, Issue 10, pp. 1470–1483 [Abstract]
  • Zuzana Alexandrová, Petr Sehnal, Irena G. Stará*, Ivo Starý*, David Šaman, Stephen G. Urquhart and Edwige Otero
    Modified Synthesis of Heptahelicene and Its Resolution Into Single Enantiomers
    2006, Vol. 71, Issue 8, pp. 1256–1264 [Abstract]
  • David Šaman, Martina Wimmerová and Zdeněk Wimmer*
    Synthesis and Structure Assignment of 2-(4-Methoxybenzyl)cyclohexyl β-D-Galactopyranoside Stereoisomers
    2006, Vol. 71, Issue 8, pp. 1186–1198 [Abstract]
  • Pavel Vojtíšek* and Jan Rohovec
    Preparation and Structural Characterization of the Intermediate Complex [Er{H2C8H16N4(CH2COO)3(CH2(Ph)PO2)}(H2O)2]2Cl2·xH2O in the Reaction of Er3+ and the dota-Type Ligand. an Interesting Example of Two Stereoforms of a Lanthanide Complex
    2006, Vol. 71, Issue 2, pp. 264–278 [Abstract]
  • Martin Pošta, Jan Čermák*, Pavel Vojtíšek and Ivana Císařová
    Diphosphinoazine Rhodium(I) and Iridium(I) Complexes
    2006, Vol. 71, Issue 2, pp. 197–206 [Abstract]
  • Petr Štěpánek, Ondřej Vích, Lukáš Werner, Ladislav Kniežo*, Hana Dvořáková and Pavel Vojtíšek
    Stereoselective Preparation of Precursors of α-C-(1→3)-Disaccharides
    2005, Vol. 70, Issue 9, pp. 1411–1428 [Abstract]
  • Zuzana Alexandrová, Irena G. Stará*, Petr Sehnal, Filip Teplý, Ivo Starý*, David Šaman and Pavel Fiedler
    Synthetic Studies Toward Chiral Aromatic Triynes as Key Substrates for the Asymmetric Synthesis of Helicene-Like Molecules
    2004, Vol. 69, Issue 12, pp. 2193–2211 [Abstract]
  • Jan Veselý, Miroslav Ledvina*, Jindřich Jindřich, Tomáš Trnka and David Šaman
    Synthesis of 2-Amino-2-deoxy-β-D-galactopyranosyl-(1→4)-2-amino-2-deoxy-β-D-galactopyranosides: Using Various 2-Deoxy-2-phthalimido-D-galactopyranosyl Donors and Acceptors
    2004, Vol. 69, Issue 10, pp. 1914–1938 [Abstract]
  • Anna Rohlenová, Miroslav Ledvina*, David Šaman and Karel Bezouška
    Synthesis of Linear and Branched Regioisomeric Chitooligosaccharides as Potential Mimetics of Natural Oligosaccharide Ligands of Natural Killer Cells NKR-P1 and CD69 Lectin Receptors
    2004, Vol. 69, Issue 9, pp. 1781–1804 [Abstract]
  • Alois Pískala*, Naeem B. Hanna, Milena Masojídková, Pavel Fiedler and Ivan Votruba
    Synthesis of N4-Amino and N4-Hydroxy Derivatives of 5-Azacytidine. A Facile Rearrangement of the N4-Amino Derivative to 5-(3-β-D-Ribofuranosylureido)-1H-1,2,4-triazole
    2004, Vol. 69, Issue 4, pp. 905–917 [Abstract]
  • Pavel Fiedler and Otto Exner*
    Conformation of Aromatic Carbonyl Derivatives: An Infrared Study
    2004, Vol. 69, Issue 4, pp. 797–810 [Abstract]
  • Jan Veselý, Miroslav Ledvina*, Jindřich Jindřich, David Šaman and Tomáš Trnka
    Improved Synthesis of 1,2-trans-Acetates and 1,2-trans Ethyl 1-Thioglycosides Derived from 3,4,6-Tri-O-acetyl-2-deoxy-2-phthalimido-D-hexopyranosides
    2003, Vol. 68, Issue 7, pp. 1264–1274 [Abstract]
  • Irena G. Stará*, Ivo Starý*, Adrian Kollárovič, Filip Teplý, David Šaman and Pavel Fiedler
    Synthesis of Helicene Scaffolds via [2+2+2] Cycloisomerization of Aromatic Triynes
    2003, Vol. 68, Issue 5, pp. 917–930 [Abstract]
  • Alois Pískala*, Naeem B. Hanna, Milena Masojídková, Miroslav Otmar, Pavel Fiedler and Karel Ubik
    Synthesis of N4-Alkyl-5-azacytidines and Their Base-Pairing with Carbamoylguanidines - A Contribution to Explanation of the Mutagenicity of 2'-Deoxy-5-azacytidine
    2003, Vol. 68, Issue 4, pp. 711–743 [Abstract]
  • Michal Hocek*, Irena G. Stará, Ivo Starý and Hana Dvořáková
    Covalent Analogues of DNA Base-Pairs and Triplets IV. Synthesis of Trisubstituted Benzenes Bearing Purine and/or Pyrimidine Rings by Cyclotrimerization of 6-Ethynylpurines and/or 5-Ethynyl-1,3-dimethyluracil
    2002, Vol. 67, Issue 8, pp. 1223–1235 [Abstract]
  • Jan Čermák*, Kateřina Auerová, Huong Thi Thu Nguyen, Vratislav Blechta, Pavel Vojtíšek and Jaroslav Kvíčala
    Synthesis of Rhodium Complexes with Novel Perfluoroalkyl Substituted Cyclopentadienyl Ligands
    2001, Vol. 66, Issue 2, pp. 382–396 [Abstract]
  • Jan Kotek, Pavel Vojtíšek, Ivana Císařová, Petr Hermann* and Ivan Lukeš
    Unusual cis/trans Isomerism in Octahedral Nickel(II) Complexes with 1,4,8,11-Tetraazacyclotetradecane-1,8-bis(methylphosphonic Acid) as a Ligand
    2001, Vol. 66, Issue 2, pp. 363–381 [Abstract]
  • Miroslav Ledvina*, Radka Pavelová, Anna Rohlenová, Jan Ježek and David Šaman
    Synthesis of Normuramic Acid Carba Analog and Its Glycopeptide Derivative Resistant to β-Elimination Splitting of the Side Chain
    2000, Vol. 65, Issue 11, pp. 1726–1736 [Abstract]
  • Jan Kotek, Pavel Vojtíšek, Ivana Císařová, Petr Hermann*, Petr Jurečka, Jan Rohovec and Ivan Lukeš
    Bis(methylphosphonic Acid) Derivatives of 1,4,8,11-Tetraazacyclotetradecane (Cyclam). Synthesis, Crystal and Molecular Structures, and Solution Properties
    2000, Vol. 65, Issue 8, pp. 1289–1316 [Abstract]
  • Josef Růžička, Ludvík Streinz*, David Šaman, Zdeněk Havlas, Zdeněk Wimmer, Marie Zarevúcka, Bohumír Koutek and Ladislav Lešetický
    Chlorofluoroacetic Acid as a Highly Versatile Derivatizing Agent: Assignment of Stereochemistry to Esters of Chiral Alcohols
    2000, Vol. 65, Issue 5, pp. 695–707 [Abstract]
  • Irena G. Stará*, Adrian Kollárovič, Filip Teplý, Ivo Starý*, David Šaman and Pavel Fiedler
    Synthesis of Aromatic Triynes as Precursors to Helicene Derivatives
    2000, Vol. 65, Issue 4, pp. 577–609 [Abstract]
  • Michal Hoskovec, David Šaman and Aleš Svatoš*
    Synthesis of (8E,10Z)-Tetradeca-8,10-dienal, Sex Pheromone of Horse Chestnut Leafminer (Cameraria ohridella), and All Its Geometrical Isomers
    2000, Vol. 65, Issue 4, pp. 511–523 [Abstract]
  • Jan Kotek, Petr Hermann*, Pavel Vojtíšek, Jan Rohovec and Ivan Lukeš
    Crystal Structures and Reactivity of 3a,5a,8a,10a-Tetraazaperhydropyrene Derivatives. An Alternative Approach to Selective Nitrogen Alkylation of 1,4,8,11-Tetraazacyclotetradecane (Cyclam)
    2000, Vol. 65, Issue 2, pp. 243–266 [Abstract]
  • Pavel Fiedler, Jiří Kulhánek, Michèle Decouzon, Jean-François Gal, Pierre-Charles Maria and Otto Exner*
    Steric Effects and Steric Inhibition of Resonance in Isopropylbenzoic Acids in the Gas Phase and in Solution
    1999, Vol. 64, Issue 9, pp. 1433–1447 [Abstract]
  • Radka Kováříková, Miroslav Ledvina* and David Šaman
    Cyclization Dichotomy of D-xylo-Hex-5-ulosonamides and Synthesis of Piperidine Analogs of Aldohexoses and Aldohexono-1,5-lactones
    1999, Vol. 64, Issue 4, pp. 673–684 [Abstract]
  • Irena G. Stará*, Ivo Starý*, Adrian Kollárovič, Filip Teplý, David Šaman and Pavel Fiedler
    Coupling Reactions of ortho-Substituted Halobenzenes with Alkynes. The Synthesis of Phenylacetylenes and Symmetrical or Unsymmetrical 1,2-Diphenylacetylenes
    1999, Vol. 64, Issue 4, pp. 649–672 [Abstract]
  • Jan Rohovec, Pavel Vojtíšek and Ivan Lukeš*
    Synthesis and Structure of Noncoordinated Curtis Macrocycle as a Free Base and Dihydrobromide Dihydrate
    1999, Vol. 64, Issue 1, pp. 73–88 [Abstract]
  • Michal Hoskovec, Oldřich Hovorka, Blanka Kalinová, Bohumír Koutek, Aleš Svatoš, David Šaman, Kamil Vlček and Jan Vrkoč
    New Potential Inhibitors of Pheromonal Attractionin the Oriental Fruit Moth, Cydia molesta
    1998, Vol. 63, Issue 7, pp. 1031–1044 [Abstract]
  • Miroslav Ledvina, Jan Ježek, David Šaman and Věra Hříbalová
    Synthesis and Immunomodulating Activity of Lipophilic Analogs of N-Acetylnormuramoyl-L-2-aminobutanoyl-D-isoglutamine
    1998, Vol. 63, Issue 4, pp. 590–598 [Abstract]
  • Miroslav Ledvina, Daniel Zyka, Jan Ježek, Tomáš Trnka and David Šaman
    New Effective Synthesis of (N-Acetyl- and N-Stearoyl-2-amino-2-deoxy-β-D-glucopyranosyl)-(1→4)-N-acetylnormuramoyl-L-2-aminobutanoyl-D-isoglutamine, Analogs of GMDP with Immunopotentiating Activity
    1998, Vol. 63, Issue 4, pp. 577–589 [Abstract]
  • Naeem B. Hanna, Milena Masojídková, Pavel Fiedler and Alois Pískala
    Synthesis of Some 6-Substituted 5-Azacytidines
    1998, Vol. 63, Issue 2, pp. 222–230 [Abstract]
  • Pavel Vojtíšek, Jan Rohovec and Ivan Lukeš
    Complexes of Mercury(II) with Tetraethyl 2,2'-Bipyridyl-4,4'-diphosphonate
    1997, Vol. 62, Issue 11, pp. 1710–1720 [Abstract]
  • Aleš Svatoš and David Šaman
    Efficient Stereoselective Synthesis of All Geometrical Isomers of Heptadeca-11,13-dienes
    1997, Vol. 62, Issue 9, pp. 1457–1467 [Abstract]
  • Ludvík Streinz, Bohumír Koutek and David Šaman
    An Effective Synthesis of 1,3-Oxathiolanes
    1997, Vol. 62, Issue 4, pp. 665–671 [Abstract]
  • Alois Pískala, Milena Masojídková and David Šaman
    Preparation of some derivatives of 5-azacytidine and 2'-deoxy-5-azacytidine
    1996, Vol. 61, Special Issue, pp. S23–S25 [Abstract]
  • Daniel Alexander, Petr Holý, Pavel Fiedler, Zdeněk Havlas and Jiří Závada
    Symmetrical Tris(4,6-diamino-5-methylene-2-pyrimidones): New Building Blocks for Self-Assembly of Hollow Spherical Supramolecules Locked by Hydrogen Bonds
    1996, Vol. 61, Issue 10, pp. 1464–1472 [Abstract]
  • Pavel Vojtíšek and Ivana Císařová
    Complexes of Tris(N-piperidinomethyl)phosphine Oxide with Zinc and Cadmium
    1996, Vol. 61, Issue 9, pp. 1321–1334 [Abstract]
  • Hana Chodounská, Alexander Kasal, David Šaman and Karel Ubik
    One-Pot Deuteration and Reduction of Ketones in the Synthesis of [16,16,17-2H3]-Epitestosterone
    1996, Vol. 61, Issue 7, pp. 1037–1046 [Abstract]
  • Martin Rejzek, Marie Zarevúcka, Zdeněk Wimmer, Tomáš Vaněk, Richard Tykva, Jelena Kuldová, David Šaman and Blanka Bennettová
    Synthesis of Juvenile Hormone Bioanalogs Derived from 2-(4-Hydroxybenzyl)-6-methylcyclohexanone
    1996, Vol. 61, Issue 4, pp. 605–614 [Abstract]
  • Luboš Arnold, Martina Pressová, David Šaman, Martin Vogtherr and Stefan Limmer
    Preparation of 1'-C Deuterated Synthons for RNA Synthesis by H-Phosphonate Method Aiming at Two-Dimensional NMR Secondary Structure Studies
    1996, Vol. 61, Issue 3, pp. 389–403 [Abstract]
  • Miloš Tichý, Jana Holanová, Ivo Starý, Irena G. Stará and Jiří Závada
    Axially Chiral Selectors of C2 Symmetry Bound to Silica: Synthesis and HPLC-Evaluation
    1995, Vol. 60, Issue 4, pp. 645–658 [Abstract]
  • Michal Hoskovec, David Šaman and Bohumír Koutek
    Synthesis of (Z)-14-Heptadecen-4-olide and (Z)-11-Pentadecen-4-olide, Sex Pheromone Analogues of Ostrinia nubilalis and Cydia molesta
    1994, Vol. 59, Issue 5, pp. 1211–1218 [Abstract]
  • Miloš Buděšínský, Gerard Nowak, Urszula Rychłewska, Derek J. Hodgson, David Šaman, Włodzimierz M. Daniewski, Bohdan Drożdż and Miroslav Holub
    Structure of Sesquiterpenic Lactones of Some Species of Subtribe Centaureinae DUMORT.
    1994, Vol. 59, Issue 5, pp. 1175–1202 [Abstract]
  • Alois Pískala, Milena Masojídková, David Šaman and Pavel Fiedler
    Structure of 5-azacytosine nucleosides in acid solutions
    1993, Vol. 58, Special Issue, pp. S26–S28 [Abstract]
  • Pavel Vojtíšek, Jana Podlahová, Karel Malý and Jindřich Hašek
    Effect of Coordination on the Structure of Tris(N,N-Dimethylaminomethyl)phosphine Oxide
    1993, Vol. 58, Issue 6, pp. 1354–1362 [Abstract]
  • Urszula Rychłewska, Beata Szczepanska, Miloš Buděšínský, David Šaman, Soňa Vašíčková, Bohdan Drożdż, Halina Grabarczyk and Miroslav Holub
    Crystal Structure of the Native Sesquiterpene Lactone Arctolide
    1993, Vol. 58, Issue 4, pp. 909–917 [Abstract]
  • Dalimil Dvořák, David Šaman, Zdeněk Arnold, Ivana Císařová and Václav Petříček
    Cycloaddition Reactions of Arylmethylenemalonaldehydes with Olefins
    1992, Vol. 57, Issue 11, pp. 2337–2358 [Abstract]
  • Miroslav Ledvina, David Šaman and Jan Ježek
    Synthesis of O-(2-Deoxy-2-stearoylamino-β-D-glucopyranosyl)-(1→4)-N-acetylnormuramoyl-L-α-aminobutanoyl-D-isoglutamine, a Lipophilic Disaccharide Analogue of MDP
    1992, Vol. 57, Issue 3, pp. 579–589 [Abstract]
  • Pavel Vojtíšek, Miroslav Ebert and Markéta Léblová
    Changes in the standard Gibbs energies associated with the formation of double selenates (NH4)2M(SeO4)2.6H2O (M = Mn, Co, Ni or Zn) and (NH4)2Cd(SeO4)2.2H2O
    1991, Vol. 56, Issue 8, pp. 1636–1641 [Abstract]
  • Vladimír Král, Juraj Koudelka, Helena Mohylová and David Šaman
    Novel carrier molecules: lipophilic ammonium ylides for membrane transport of metal picrates
    1991, Vol. 56, Issue 4, pp. 905–915 [Abstract]
  • Ivan Stibor, David Šaman and Pavel Fiedler
    Synthesis and conformation of some 6-aminomethyluracil amides
    1990, Vol. 55, Issue 11, pp. 2731–2737 [Abstract]
  • Pavel Vojtíšek and Miroslav Ebert
    The change in the standard gibbs energy ΔG° during the formation of the double selenates M2Mg(SeO4)2.6 H2O (m = K, NH4, Rb, Cs)
    1990, Vol. 55, Issue 11, pp. 2669–2676 [Abstract]
  • Michal Hoskovec, David Šaman and Bohumír Koutek
    A convenient synthesis of 2,13- and 3,13-octadecadienyl acetates, sex pheromone components of the Synanthedon species
    1990, Vol. 55, Issue 9, pp. 2270–2281 [Abstract]
  • Sergazy M. Adekenov, Miloš Buděšínský, Metram A. Abdikalikov, Coblandy M. Turdybekov, David Šaman, Ełżbieta Błoszyk, Bohdan Drożdż and Miroslav Holub
    Sesquiterpenic lactones of the Inula caspica BLUME species
    1990, Vol. 55, Issue 6, pp. 1568–1579 [Abstract]
  • Ludvík Streinz, David Šaman, Karel Konečný and Miroslav Romaňuk
    Synthesis of alkenes by Wittig reaction using lithium 1,3-diaminopropane as a base
    1990, Vol. 55, Issue 6, pp. 1555–1561 [Abstract]
  • Eva Körblová, Bohumír Koutek, David Šaman, Aleš Svatoš, Petr Maloň and Miroslav Romaňuk
    Synthesis of optically active 1-(2-furyl)-3-pentanol. A simple route to (2S, 5R/S)-chalcogran
    1990, Vol. 55, Issue 5, pp. 1234–1242 [Abstract]
  • Pavel Vojtíšek and Miroslav Ebert
    The change in the standard Gibbs energy ΔG0 in the formation of double selenates K2MII(SCo4)2·x H2O (MII = Mn, Co, Ni, Cu, Zn; x = 6 or 2)
    1990, Vol. 55, Issue 4, pp. 994–1001 [Abstract]
  • Milan Souček, Ján Urban and David Šaman
    Preparation of N-protected α-amino alcohols by acetoxyborohydride reduction of N-protected α-amino acid esters
    1990, Vol. 55, Issue 3, pp. 761–765 [Abstract]
  • Aleš Svatoš, Irena Valterová, David Šaman and Jan Vrkoč
    Direct esterification of 2-methoxy-2-phenyl-3,3,3-trifluoropropionic acid: A reinvestigation
    1990, Vol. 55, Issue 2, pp. 485–490 [Abstract]
  • Vladimír Král, Ladislav Jelínek and David Šaman
    Preparation and synthetic utilization of diarylmethylenemalonaldehydes
    1989, Vol. 54, Issue 10, pp. 2721–2730 [Abstract]
  • Miloš Buděšínský, Halina Grabarczyk, Włodzimierz M. Daniewski, Andrzej Wawrzuń, Maria Gulumka, David Šaman, Bohdan Drożdż and Miroslav Holub
    Sesquiterpene lactones from Venidium hirsutum BEROL. species
    1989, Vol. 54, Issue 7, pp. 1919–1927 [Abstract]
  • Miloš Buděšínský, Le Viet Ngoc Phuong, Nestor Perez Souto, Włodzimierz M. Daniewski, Andrzej Wawrzuń, Maria Gumułka, Soňa Vašíčková, David Šaman, Bohdan Drożdż, Halina Grabarczyk, Urszula Rychłewska and Miroslav Holub
    Isolation and structures of sesquiterpene lactones: Aerial parts of Arctotis grandis THUNB. species
    1989, Vol. 54, Issue 2, pp. 473–486 [Abstract]
  • Miloš Buděšínský, David Šaman, Jan Pelnař, Soňa Vašíčková, Bohdan Drożdż, Halina Grabarczyk, Le Viet Ngoc Phuong and Miroslav Holub
    Arctolide-revision of its stereostructure and determination of absolute configuration. Detailed 1H and 13C NMR analysis
    1989, Vol. 54, Issue 1, pp. 166–188 [Abstract]
  • Petr Holý, Martin Bělohradský, Ivan Stibor, Juraj Koudelka, David Šaman, Jana Hodačová, Antonín Holý and Jiří Závada
    Crown and azacrown ethers with pendant adenine group
    1987, Vol. 52, Issue 12, pp. 2971–2982 [Abstract]
  • Dalimil Dvořák, David Šaman, Miloš Buděšínský and Zdeněk Arnold
    Arbuzov rearrangement in the reaction of arylmethylenemalonaldehydes with trimethyl phosphite: Formation of 2-(α-dimethoxyphosphonylbenzyl)-3-methoxyacroleins
    1987, Vol. 52, Issue 12, pp. 2926–2935 [Abstract]
  • Dalimil Dvořák, David Šaman, Jana Hodačová, Vladimír Král and Zdeněk Arnold
    Michael reaction of methylenemalonaldehydes: Synthetic approach to 4H-pyran-5-carboxaldehydes and 2-amino-4H-pyran-5-carboxaldehydes
    1987, Vol. 52, Issue 11, pp. 2687–2698 [Abstract]
  • Ján Urban, Petr Kuzmič, David Šaman and Milan Souček
    Regioselectivity of nucleophilic aromatic photosubstitution in the biphenyl series. Photohydrolysis of some dimethoxynitrobiphenyls
    1987, Vol. 52, Issue 10, pp. 2482–2491 [Abstract]
  • Zdeněk Wimmer, Miloš Buděšínský, Tomáš Macek, Aleš Svatoš, David Šaman, Soňa Vašíčková and Miroslav Romaňuk
    Biotransformation of 2-(4-methoxybenzyl)-1-cyclohexanone by means of Saccharomyces cerevisiae
    1987, Vol. 52, Issue 9, pp. 2326–2337 [Abstract]
  • Ivan Veselý, David Šaman and Ivan Stibor
    Ag(I) complexes of F prostaglandins
    1987, Vol. 52, Issue 6, pp. 1583–1588 [Abstract]
  • Stanislav Böhm, Renata Prantová, David Šaman, Petr Trška and Josef Kuthan
    Reaction of some nucleophiles with 2,6-di-tert-butylpyrylium perchlorate
    1987, Vol. 52, Issue 5, pp. 1305–1314 [Abstract]
  • Otto Exner and Pavel Fiedler
    Conformation and electronic structure of aromatic chloroformates
    1987, Vol. 52, Issue 4, pp. 970–979 [Abstract]
  • Miloš Buděšínský and David Šaman
    Identification of acyl groups occurring in sesquiterpene lactones: Proton and carbon-13 NMR study
    1987, Vol. 52, Issue 2, pp. 453–475 [Abstract]
  • Jaroslav Kopecký, David Šaman and Ladislav Novotný
    Methylation of substituted 1,4-benzoquinones
    1987, Vol. 52, Issue 1, pp. 228–232 [Abstract]
  • Jaroslav Kopecký, David Šaman and Ladislav Novotný
    Methoxylation of substituted 1,4-benzoquinones
    1987, Vol. 52, Issue 1, pp. 223–227 [Abstract]
  • Ludvík Streinz, Irena Valterová, Zdeněk Wimmer, Miloš Buděšínský, David Šaman, Jitka Kohoutová, Miroslav Romaňuk and Jan Vrkoč
    Direct esterification of α-methoxy-α-(trifluoromethyl)phenylacetic acid
    1986, Vol. 51, Issue 10, pp. 2207–2213 [Abstract]
  • Zdenka Smítalová, Miloš Buděšínský, David Šaman and Miroslav Holub
    Minor sesquiterpenic lactones of Laser trilobum (L) BORKH. species
    1986, Vol. 51, Issue 6, pp. 1323–1339 [Abstract]
  • Miroslav Holub, Miloš Buděšínský, Zdenka Smítalová, David Šaman and Urszula Rychłewska
    Structure of isosilerolide, relative and absolute configuration of silerolide and lasolide - Sesquiterpenic lactones of new stereoisomeric type of eudesmanolides
    1986, Vol. 51, Issue 4, pp. 903–929 [Abstract]
  • Dalimil Dvořák, Miloš Buděšínský, David Šaman and Zdeněk Arnold
    Benzylidenemalonaldehydes: A redox reaction during the attempted cycloaddition on nitrosobenzene
    1985, Vol. 50, Issue 10, pp. 2260–2264 [Abstract]
  • Miroslav Holub, Miloš Buděšínský, Zdenka Smítalová, David Šaman and Urszula Rychłewska
    Structure of laserolide and isolaserolide: Revision of constitution and determination of relative and absolute configuration
    1985, Vol. 50, Issue 8, pp. 1878–1887 [Abstract]
  • Ivo Starý and Pavel Kočovský
    Synthesis of some allylic acetoxy derivatives in the steroid series
    1985, Vol. 50, Issue 5, pp. 1227–1238 [Abstract]
  • Juraj Koudelka, David Šaman and Otto Exner
    Secondary steric effects in 2,4,6-trialkylated acetophenones and nitrobenzenes: Dipole moments and 13C NMR spectra
    1985, Vol. 50, Issue 1, pp. 208–214 [Abstract]
  • Wojciech Kroszczyṅski, Włodzimierz M. Daniewski, Miloš Buděšínský, David Šaman, Halina Grabarczyk, Bohdan Drożdż and Miroslav Holub
    Minor sesquiterpenic lactones from Ursinia anthemoides (L.) POIRET
    1985, Vol. 50, Issue 1, pp. 94–102 [Abstract]
  • Karel Konečný, Milan Streibl, Soňa Vašíčková, Miloš Buděšínský, David Šaman, Karel Ubik and Vlastimil Herout
    Constituents of the liverwort Bazzania trilobata of Czech origin
    1985, Vol. 50, Issue 1, pp. 80–93 [Abstract]
  • Zdeněk Friedl, Pavel Fiedler, Ján Biroš, Věra Uchytilová, Igor Tvaroška, Stanislav Böhm and Otto Exner
    Electrostatic effects on conformational equilibria: Solvation enthalpies and the reaction field theory
    1984, Vol. 49, Issue 9, pp. 2050–2069 [Abstract]
  • Jaroslav Kopecký, David Šaman, Tomáš Vaněk and Ladislav Novotný
    Components of the wood-rotting fungus Sarcodontia setosa
    1984, Vol. 49, Issue 7, pp. 1622–1626 [Abstract]
  • Miloš Buděšínský, Miroslav Holub, David Šaman, Zdenka Smítalová, Ayhan Ulubelen and Sevil Öksüz
    Structure of istanbulin A and istanbulin B - two sesquiterpenic lactones from Smyrnium olusatrum L.
    1984, Vol. 49, Issue 5, pp. 1311–1317 [Abstract]
  • Zdenka Smítalová, Miloš Buděšínský, David Šaman, Soňa Vašíčková and Miroslav Holub
    Components of the extract from the underground parts of Laserpitium siler L. of slovenian origin, mainly sesquiterpenic lactones
    1984, Vol. 49, Issue 4, pp. 852–870 [Abstract]
  • Miloš Buděšínský, David Šaman, Gerard Nowak, Bohdan Drożdż and Miroslav Holub
    9α-Hydroxyparthenolide from Zoegea baldschuanica C. WINKL. and its absolute configuration
    1984, Vol. 49, Issue 3, pp. 637–641 [Abstract]
  • Otto Exner, Zdeněk Friedl and Pavel Fiedler
    Electrostatic effects on conformational equilibria: Alkyl 2-cyanobenzoates and 3-cyanopropenoates
    1983, Vol. 48, Issue 11, pp. 3086–3096 [Abstract]
  • Pavel Kočovský, Ivo Starý, František Tureček and Vladimír Hanuš
    Electrophilic additions to 10β-vinyl cholestane derivatives
    1983, Vol. 48, Issue 10, pp. 2994–3019 [Abstract]
  • Miroslav Holub, Zdeněk Samek, Miloš Buděšínský, David Šaman, Ełżbieta Błoszyk and Bohdan Drożdż
    8α-Hydroxybalchanin - A new sesquiterpenic lactone from Leucanthemella serotina (L.) TZVEL.
    1982, Vol. 47, Issue 11, pp. 2927–2931 [Abstract]
  • Miloš Buděšínský, David Šaman and Zdeněk Wimmer
    Conformation studies of isomeric 1-acyloxy-2-(4-methoxybenzyl)-cyclohexanes by 1H NMR spectroscopy
    1982, Vol. 47, Issue 10, pp. 2763–2767 [Abstract]
  • Jaromír Kaválek, Pavel Fiedler, Zlata Papoušková and Otto Exner
    The confirmation of trisubstituted ureas and thioureas in solution
    1982, Vol. 47, Issue 1, pp. 35–44 [Abstract]
  • Zdeněk Friedl, Pavel Fiedler and Otto Exner
    Electrostatic effects on conformational equilibria. Solvent dependence
    1980, Vol. 45, Issue 5, pp. 1351–1360 [Abstract]
  • Otto Exner and Pavel Fiedler
    A refined empirical model of the sigma-inductive effect
    1980, Vol. 45, Issue 4, pp. 1251–1268 [Abstract]
  • Jiří Mollin, Pavel Fiedler, Václav Jehlička and Otto Exner
    The conformation of substituted hydroxyureas and hydroxythioureas in solution
    1979, Vol. 44, Issue 3, pp. 895–907 [Abstract]
  • Miroslav Svoboda, Miroslava Synáčková, Zdeněk Samek, Pavel Fiedler and Zdeněk Arnold
    N,N-Dimethyl-N-alkylammoniodiformylmethylides: New group of stabilised aliphatic ylides
    1978, Vol. 43, Issue 5, pp. 1261–1275 [Abstract]