Collect. Czech. Chem. Commun.
2006, 71, 1256-1264
https://doi.org/10.1135/cccc20061256
Modified Synthesis of Heptahelicene and Its Resolution Into Single Enantiomers
Zuzana Alexandrováa, Petr Sehnala, Irena G. Staráa,*, Ivo Starýa,*, David Šamana, Stephen G. Urquhartb and Edwige Oterob
a Center for Biomolecules and Complex Molecular Systems, Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
b Department of Chemistry, University of Saskatchewan, Saskatoon SK S7N 5C9, Canada
Individual author index pages
- Zuzana Alexandrová
- Petr Sehnal
- Irena G. Stará
- Ivo Starý
- David Šaman
- Stephen G. Urquhart
- Edwige Otero
Other CCCC articles of these authors
- 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] - 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] - Angelina Andronova, Florence Szydlo, Filip Teplý, Miroslava Tobrmanová, Amandine Volot, Irena G. Stará*, Ivo Starý*, Lubomír Rulíšek, David Šaman, Josef Cvačka, Pavel Fiedler and Pavel Vojtíšek
The quest for alternative routes to racemic and nonracemic azahelicene derivatives
2009, Vol. 74, Issue 1, pp. 189–215 [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] - 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] - 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] - 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] - Petr Sehnal, Petr Holý*, Miloš Tichý, Jiří Závada* and Ivana Císařová
4,4'-Bipyridine-2,2',6,6'-tetracarboxamide. Synthesis and Self-Assembling Properties of the Free Base and the 1 : 1 Silver(I) Triflate Complex
2002, Vol. 67, Issue 8, pp. 1236–1246 [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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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 F2α 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] - 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] - 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] - 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]