Collect. Czech. Chem. Commun. 2004, 69, 1631-1642
doi:10.1135/cccc20041631
Rearrangement of Substituted 2,4,4,6-Tetraaryl-4H-thiopyrans to Triaryl-3aH-benzo[3,4]cyclopenta[1,2-b]thiophene
Jiří Kroulíka,*, Jan Čejkab, Petr Sedmerac, Alexandr Jegorovd, Bohumil Kratochvílb and Josef Kuthana
a Department of Organic Chemistry, Institute of Chemical Technology, Prague, 166 28 Prague 6, Czech Republic
b Department of Solid State Chemistry, Institute of Chemical Technology, Prague, 166 28 Prague 6, Czech Republic
c Institute of Microbiology, Academy of Sciences of the Czech Republic, 142 20 Prague 4, Czech Republic
d IVAX-CR., Research Unit, Branišovská 31, 370 05 České Budějovice, Czech Republic
Individual author index pages
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- Alexandr Jegorov*, Hana Petříčková, Bohumil Kratochvíl and Ivana Císařová
An Unusual cis-Dichloro[17-(cyclobutylmethyl)-3-methoxymorphinan-14-ol-N,O]palladium(II) Complex
2006, Vol. 71, Issue 3, pp. 434–442 [Abstract] - Blanka Klepetářová, Jan Čejka, Bohumil Kratochvíl, Svetlana Pakhomova, Ivana Císařová, Ladislav Cvak and Alexandr Jegorov*
Interesting Solvent Area in Crystal Structures of Two Natural Ergot Alkaloids
2005, Vol. 70, Issue 1, pp. 41–50 [Abstract] - Miroslav Kuchař*, Vojtěch Kmoníček, Vladimíra Panajotová, Antonín Jandera, Bohumila Brunová, Richard Junek, Věra Bucharová, Jan Čejka and Dalibor Šatinský
Derivatives of (Phenylsulfanyl)benzoic Acids with Multiple Antileukotrienic Activity
2004, Vol. 69, Issue 11, pp. 2098–2120 [Abstract] - Jan Čejka, Bohumil Kratochvíl, Stanislav Böhm, Ivana Císařová, Ladislav Cvak and Alexandr Jegorov*
Structural Study of Dopamine Agonist Lisuride
2003, Vol. 68, Issue 11, pp. 2150–2158 [Abstract] - Hana Petříčková, Jan Čejka, Michal Hušák, Bohumil Kratochvíl, Ivana Císařová, Alexandr Jegorov* and Ladislav Cvak
Structure Types of Dihydroergotoxine Mesylates
2002, Vol. 67, Issue 4, pp. 490–501 [Abstract] - Michal Hušák, Bohumil Kratochvíl, Ivana Císařová, Ladislav Cvak, Alexandr Jegorov* and Stanislav Böhm
Crystal Forms of Semisynthetic Ergot Alkaloid Terguride
2002, Vol. 67, Issue 4, pp. 479–489 [Abstract] - Michal Hušák, Bohumil Kratochvíl, Ivana Císařová and Alexandr Jegorov*
Crystal Structures of Two New Cyclosporin Clathrates
2000, Vol. 65, Issue 12, pp. 1950–1958 [Abstract] - Ladislav Cvak, Josef Stuchlík, Magdalena Schreiberová, Petr Sedmera*, Vladimír Havlíček, Miroslav Flieger, Jan Čejka, Bohumil Kratochvíl and Alexandr Jegorov
Selective Reduction of Peptidic Ergot Alkaloids
2000, Vol. 65, Issue 11, pp. 1762–1776 [Abstract] - Radek Pohl, Jan Sýkora, Petr Maloň, Stanislav Böhm*, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. XIII. An Insight Into the Absolute Stereochemistry of Atropisomeric (Z)-3-(Imidazo[1,2-a]pyridin-3-yl)prop-2-en-1-ones
2000, Vol. 65, Issue 10, pp. 1643–1652 [Abstract] - Jan Čejka, Bohumil Kratochvíl, Alexandr Jegorov* and Ladislav Cvak
Crystal Structures of Dihydro-α-ergokryptine and Dihydro-β-ergokryptine Mesylates
2000, Vol. 65, Issue 8, pp. 1329–1338 [Abstract] - Alexandr Jegorov*, Ladislav Cvak, Aleš Husek, Petr Šimek, Anna Heydová, Jan Ondráček, Svetlana Pakhomova, Michal Hušák, Bohumil Kratochvíl, Petr Sedmera and Vladimír Havlíček
Synthesis and Crystal Structure Determination of Cyclosporin H
2000, Vol. 65, Issue 8, pp. 1317–1328 [Abstract] - Robert Klvaňa, Radek Pohl, Jan Pawlas, Jan Čejka, Hana Dvořáková, Richard Hrabal, Stanislav Böhm*, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. XII. Atropisomerism of (1-Aryl-3,5-diphenyl-1H-pyrrol-2-yl)(phenyl)methanones
2000, Vol. 65, Issue 5, pp. 651–666 [Abstract] - David E. Stevenson, Vladimír Křen*, Petr Halada and Petr Sedmera
Enzymatic Preparation of Lysergol β-D-Glucuronide
2000, Vol. 65, Issue 1, pp. 117–121 [Abstract] - Stanislav Böhm*, Radek Pohl and Josef Kuthan
Sterically Crowded Heterocycles. XI. A Semiempirical Prediction of Enantiomerization Barriers for Substituted (Z)-3-(Imidazo[1,2-a]pyridin-3-yl)-1-phenylprop-2-en-1-ones
1999, Vol. 64, Issue 11, pp. 1761–1769 [Abstract] - Lenka Weignerová, Yukio Suzuki, Zdenka Huňková, Petr Sedmera, Vladimír Havlíček, Radek Marek and Vladimír Křen*
Pyridoxine as a Substrate for Screening Synthetic Potential of Glycosidases
1999, Vol. 64, Issue 8, pp. 1325–1334 [Abstract] - Radek Pohl, Stanislav Böhm and Josef Kuthan*
Sterically Crowded Heterocycles. X. A New Mechanistic Approach to the Ferricyanide Oxidation of 4,6'-Disubstituted 1-(Pyridin-2'-yl)-2,6-diphenylpyridinium Salts
1999, Vol. 64, Issue 8, pp. 1274–1294 [Abstract] - Petr Sedmera* and Stanislav Pospíšil
Acetal Formation is Responsible for the Non-Closed Form of Monensin A in Methanolic Solution
1999, Vol. 64, Issue 4, pp. 703–709 [Abstract] - Vladimír Tolman*, Jan Hanuš and Petr Sedmera
A Hetero Diels-Alder Access to (Z)-Zeatin and (Z)-Isozeatin
1999, Vol. 64, Issue 4, pp. 696–702 [Abstract] - Vladimír Křen*, Petr Halada and Petr Sedmera
Agroclavine Glycosylation
1999, Vol. 64, Issue 1, pp. 114–118 [Abstract] - Bohumil Kratochvíl, Alexandr Jegorov*, Svetlana Pakhomova, Michal Hušák, Petr Bulej, Ladislav Cvak, Petr Sedmera and Vladimír Havlíček
Crystal Structures of Cyclosporin Derivatives: O-Acetyl-(4R)-4-(E-2-butyl)-4,N-dimethyl-L-threonyl-cyclosporin A and O-Acetyl-(4R)-4-[E-2-(4-bromobutyl)]-4,N-dimethyl-L-threonyl-cyclosporin A
1999, Vol. 64, Issue 1, pp. 89–98 [Abstract] - Jan Čejka, Zdeněk Horák, Svetlana Pakhomova, Bohumil Kratochvíl, Petr Sedmera, Vladimír Havlíček, Ladislav Cvak and Alexandr Jegorov
Synthesis and Crystal Structure of Pergolide Sulfoxide
1998, Vol. 63, Issue 6, pp. 803–812 [Abstract] - Jiří Kroulík, Martin Chadim, Miroslav Polášek, Stanislav Nešpůrek and Josef Kuthan
Synthesis of Some New Functionalized 2,4,4,6-Tetraphenyl-4H-thiopyrans and Study on Their Photocolouration
1998, Vol. 63, Issue 5, pp. 662–680 [Abstract] - Günter Schmid, Ulf Thewalt, Petr Sedmera, Vladimír Hanuš and Karel Mach
Dimeric Structures of Cp'TiCl2 Compounds with Bulky Substituents at the Cyclopentadienyl Rings
1998, Vol. 63, Issue 5, pp. 636–645 [Abstract] - Michal Hušák, Bohumil Kratochvíl, Petr Sedmera, Vladimír Havlíček, Hana Votavová, Ladislav Cvak, Petr Bulej and Alexandr Jegorov
Molecular Structure of cis- and trans-Tergurides
1998, Vol. 63, Issue 3, pp. 425–433 [Abstract] - Michal Hušák, Bohumil Kratochvíl, Martin Buchta, Ladislav Cvak and Alexandr Jegorov
Crystal Structure of Cyclosporin E
1998, Vol. 63, Issue 1, pp. 115–120 [Abstract] - Stanislav Böhm, Tomáš Strnad, Iveta Ruppertová and Josef Kuthan
Sterically Crowded Heterocycles. IX. New α,β-Unsaturated Ketones Containing Imidazo[1,2-a]quinoline, Imidazo[2,1-a]isoquinoline, Benzo[h]imidazo[1,2-a]quinoline and Imidazo[1,2-a]-1,10-phenanthroline Moieties
1997, Vol. 62, Issue 10, pp. 1599–1611 [Abstract] - Ali Werfeli, Jan Čejka, Ondřej Klecán, Bohumil Kratochvíl and Josef Kuthan
Preparation of New Optically Active Furanoids Containing Various Aza-Heterocyclic Moieties
1997, Vol. 62, Issue 6, pp. 894–912 [Abstract] - Miroslav Kuchař, Marie Poppová, Antonín Jandera, Vladimíra Panajotovová, Hana Zůnová, Miloš Buděšínský, Hana Tomková, Alexandr Jegorov and Jan Taimr
Chiral Forms of 4-(2',4'-Difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic Acid (Flobufen) and Its Metabolite.Synthesis and Basic Biological Properties
1997, Vol. 62, Issue 3, pp. 498–509 [Abstract] - Jan-Willem F. Kaagman, Marco Rep, Michal Horáček, Petr Sedmera, Jiří Čejka, Vojtech Varga and Karel Mach
Titanium-Catalyzed [4+2] and [6+2] Cycloadditions of 1,4-Bis(trimethylsilyl)buta-1,3-diyne
1996, Vol. 61, Issue 12, pp. 1722–1728 [Abstract] - Richard Kubík, Stanislav Böhm, Jan Čejka, Vladimír Havlíček, Tomáš Strnad, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. VIII. Preparative Photoisomerization of Some Imidazo[1,2-a]pyridines
1996, Vol. 61, Issue 10, pp. 1473–1488 [Abstract] - Jan Čejka, Michal Hušák, Bohumil Kratochvíl, Alexandr Jegorov and Ladislav Cvak
Crystal Structures of Ergot Alkaloid Derivatives. Ergometrine Maleate and Methylergometrine Maleate
1996, Vol. 61, Issue 9, pp. 1396–1404 [Abstract] - Jan Čejka, Richard Kubík, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. VI. Relative Configuration of Diastereoisomeric (Z)-1,3-Diphenyl-3-(5-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)prop-2-en-1-ols
1996, Vol. 61, Issue 9, pp. 1380–1385 [Abstract] - Vladimír Křen and Petr Sedmera
N-1-Trimethylsilyl Derivatives of Ergot Alkaloids
1996, Vol. 61, Issue 8, pp. 1248–1253 [Abstract] - Ali Werfeli, Svatava Voltrová, Viktor Prutianov and Josef Kuthan
Optically Active Furanoids Containing Cytosine-, Adenine- and Nicotinamide-Like Moieties
1996, Vol. 61, Issue 8, pp. 1223–1232 [Abstract] - Eva Táborská, Hana Bochořáková, Jaromír Soušek, Petr Sedmera, Ctirada Vavrečková and Vilím Šimánek
Fumaria densiflora DC. Alkaloids
1996, Vol. 61, Issue 7, pp. 1064–1072 [Abstract] - Richard Kubík, Stanislav Böhm and Josef Kuthan
Sterically Crowded Heterocycles. VII. Reduction of Some (Z)-1,3-Diphenyl-3-(2-phenylimidazo[1,2-a]pyridin-3-yl)prop-2-en-1-ones as Their Axial Chirality Probe
1996, Vol. 61, Issue 7, pp. 1018–1026 [Abstract] - Jiří Svoboda, Pavel Pihera, Petr Sedmera and Jaroslav Paleček
Electrophilic Substitution Reactions of [1]Benzothieno[3,2-b]furan
1996, Vol. 61, Issue 6, pp. 888–900 [Abstract] - Richard Kubík and Josef Kuthan
Sterically Crowded Heterocycles. V. Incorporation of Melamine and Adenine Moieties into Imidazo[1,2]heteroaromatic Molecules
1996, Vol. 61, Issue 5, pp. 770–773 [Abstract] - Richard Kubík and Josef Kuthan
Sterically Crowded Heterocycles. IV. Diastereoisomeric Products by Ferricyanide Oxidation of Quaternary Pyridinium Salts
1996, Vol. 61, Issue 4, pp. 615–621 [Abstract] - Stanislav Böhm, Iveta Ruppertová, Vladimír Havlíček and Josef Kuthan
On Some 2,4,6-Triphenylpyridinium 2-Benzimidazolate Inner Salts
1996, Vol. 61, Issue 4, pp. 597–604 [Abstract] - Richard Kubík, Stanislav Böhm, Iveta Ruppertová and Josef Kuthan
Sterically Crowded Heterocycles. III. A General Approach to Imidazo[1,2-a]pyridines by Ferricyanide Oxidation of Quaternary Pyridinium Salts
1996, Vol. 61, Issue 1, pp. 126–138 [Abstract] - Stanislav Böhm, Mojmír Adamec, Stanislav Nešpůrek and Josef Kuthan
Photocolouration of 2,4,4,6-Tetraaryl-4H-pyrans and Their Heteroanalogues: Importance of Hypervalent Photoisomers
1995, Vol. 60, Issue 10, pp. 1621–1633 [Abstract] - Stanislav Kafka, Antonín Klásek and Petr Sedmera
N-(2-Methyl-2-nitropropyl) and N-Nitroso Derivatives of Some Diamines
1995, Vol. 60, Issue 9, pp. 1541–1550 [Abstract] - Jan Čejka, Jan Ondráček, Michal Hušák, Bohumil Kratochvíl, Alexandr Jegorov* and Josef Stuchlík
Absolute Crystal Structure Determination of Ergot Alkaloid - Dihydroergocristine Methanesulfonate Monohydrate
1995, Vol. 60, Issue 8, pp. 1333–1342 [Abstract] - Jan Ondráček, Svetlana Pakhomova, Bohumil Kratochvíl and Svatava Smrčková
Crystal and Molecular Structure Determination of N,N'-Diphenylacetamidinium Trifluoroacetate
1995, Vol. 60, Issue 4, pp. 576–582 [Abstract] - Stanislav Böhm, Richard Kubík, Martin Hradilek, Jan Němeček, Michal Hušák, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. II. Conformational Structure of 2-Phenyl-3-[(Z)-1,3-diphenyl-3-oxopropenyl]imidazo[1,2-a]pyridine and Related Compounds
1995, Vol. 60, Issue 1, pp. 115–126 [Abstract] - Stanislav Böhm, Richard Kubík, Martin Hradilek, Jan Němeček, Michal Hušák, Svetlana Pakhomova, Jan Ondráček, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. I. Molecular Structure of 3-Chain Substituted 2-Phenylimidazo[1,2-a]pyridinium Salts
1994, Vol. 59, Issue 12, pp. 2677–2690 [Abstract] - Bohumil Kratochvíl, Michal Hušák, Petr Bulej and Alexandr Jegorov
The Molecular and Crystal Structure of Buprenorphine Hydrochloride, a Morphine Analogue
1994, Vol. 59, Issue 11, pp. 2472–2480 [Abstract] - Pavel Šebek, Jiří Kroulík, Petr Sedmera, Vladimír Havlíček and Josef Kuthan
Reactions of 2,4,4,6-Tetraaryl-4H-thiopyrans with Chlorine: An Unusual Reaction Route
1994, Vol. 59, Issue 10, pp. 2269–2281 [Abstract] - Jan Ondráček, Bohumil Kratochvíl and Václav Haber
The Crystal and Molecular Structure of a Zinc(II) Complex with a New Non-Symmetrical Tetradentate Schiff Base, [Zn(C15H18N3O)Br]
1994, Vol. 59, Issue 8, pp. 1809–1814 [Abstract] - Michal Hušák, Jiří Had, Bohumil Kratochvíl, Ladislav Cvak, Josef Stuchlík and Alexandr Jegorov
X-Ray Absolute Structure of Nicergoline (Form I). Quantitative Analysis of Nicergoline Phase Mixture: Form I/Form II
1994, Vol. 59, Issue 7, pp. 1624–1636 [Abstract] - Alexandr Jegorov, Roman Sobotík, Svetlana Pakhomova, Jan Ondráček, Jiří Novotný, Michal Hušák and Bohumil Kratochvíl
The Crystal and Molecular Structure of Butorphanol Hydrogen Tartrate
1994, Vol. 59, Issue 6, pp. 1361–1367 [Abstract] - Stanislav Böhm, Pavel Šebek, Stanislav Nešpůrek and Josef Kuthan
Photocolouration of 2,4,4,6-Tetraaryl-4H-thiopyrans: A Semiempirical Quantum Chemical Study
1994, Vol. 59, Issue 5, pp. 1115–1125 [Abstract] - Stanislav Böhm, Michal Hocek, Jan Němeček, Vladimír Havlíček and Josef Kuthan
Preparation and Spectroscopic Properties of Spirocyclic 1-Methyl-2,4,4,6-tetraaryl-1,4-dihydropyridines
1994, Vol. 59, Issue 5, pp. 1105–1114 [Abstract] - Ladislav Cvak, Josef Stuchlík, Magdalena Schreiberová, Petr Sedmera, Vladimír Havlíček and Miroslav Flieger
2,3-Dihydro-2-oxoergolene Derivatives
1994, Vol. 59, Issue 4, pp. 929–942 [Abstract] - Stanislav Böhm, Michal Hocek, Stanislav Nešpůrek and Josef Kuthan
Photocolouration of 2,4,4,6-Tetraaryl-1,4-dihydropyridines: A Semiempirical Quantum Chemical Study
1994, Vol. 59, Issue 2, pp. 262–272 [Abstract] - Bohumil Kratochvíl, Jiří Novotný, Michal Hušák, Jiří Had, Josef Stuchlík and Alexandr Jegorov
X-Ray Structural Study of Terguride SolvatesTerguride Methanol Solvate
1994, Vol. 59, Issue 1, pp. 149–158 [Abstract] - Michal Hušák, Bohumil Kratochvíl, Petr Sedmera, Josef Stuchlík and Alexandr Jegorov
A Conformational Study of the Semisynthetic Ergot Alkaloid - Terguride
1993, Vol. 58, Issue 12, pp. 2944–2954 [Abstract] - Josef Přikryl, Bohumil Kratochvíl, Jan Ondráček, Jaroslav Maixner, Jiří Klicnar and Karel Huml
The Crystal and Molecular Structure of Charge-Transfer Complex of Azo Dyestuff 5-(4-Chloro-2-nitrophenyl)-azo-6-hydroxy-1-ethyl-3-cyano-4-methyl-2-pyridone with Naphthalene
1993, Vol. 58, Issue 9, pp. 2121–2127 [Abstract] - Jaroslav Havlíček, Karel Kefurt, Michal Hušák, Jiří Novotný and Bohumil Kratochvíl
Structure of 2,3,4,5-Tetra-O-acetyl-6-amino-6-deoxy-D-galactonolactam
1993, Vol. 58, Issue 7, pp. 1600–1606 [Abstract] - Josef Jizba, Petr Sedmera and Marian Beran
New Metabolites of Streptomyces globisporus and Streptomyces griseus
1993, Vol. 58, Issue 6, pp. 1452–1456 [Abstract] - Vladimír Tolman and Petr Sedmera
Some New Derivatives of 2-Pentenedioic Acid
1993, Vol. 58, Issue 6, pp. 1430–1436 [Abstract] - Pavel Šebek, Petr Sedmera, Stanislav Böhm and Josef Kuthan
Sigmatropic Isomerization of Tetraphenylcyclopentadienes: Reaction Mechanism and Quantum Chemical Treatment
1993, Vol. 58, Issue 4, pp. 882–892 [Abstract] - Pavel Šebek, Petr Sedmera and Josef Kuthan
Photochemical Transformations of 2,4,4,6-Tetraphenyl-4H-thiopyran-1,1-dioxide and Some Its para-Substituted Derivatives
1993, Vol. 58, Issue 4, pp. 869–881 [Abstract] - Pavel Šebek, Jiří Novotný, Bohumil Kratochvíl, Marián Schwarz and Josef Kuthan
Conformation Dependent Cyclizations of 1,3,3,5-Tetraphenylpentane-1,5-dione
1992, Vol. 57, Issue 11, pp. 2383–2399 [Abstract] - Jan Ondráček, Jaroslav Havlíček, Karel Kefurt, Jiří Jarý, Jiří Novotný and Bohumil Kratochvíl
Structure of 2,3,4,5-Tetra-O-acetyl-6-amino-6-deoxy-D-allonolactam
1992, Vol. 57, Issue 11, pp. 2367–2373 [Abstract] - Stanislav Böhm, Richard Kubík, Jan Němeček and Josef Kuthan
Oxidative and Basic Transformations of Some 1-Heteroaryloligophenylpyridinium Salts. Limitations to the Applicability of Ferricyanide Oxidation
1992, Vol. 57, Issue 8, pp. 1672–1683 [Abstract] - Ladislav Cvak, Josef Stuchlík, Magdalena Schreiberová, Petr Sedmera and Miroslav Flieger
Side Reactions in Bromination of α-Ergocryptine
1992, Vol. 57, Issue 3, pp. 565–572 [Abstract] - Marián Schwarz, Pavel Šebek and Josef Kuthan
Electrophilic 3,5-Substitution of 2,4,4,6-Tetraphenyl-4H-pyran and Some of Its 1-Heteroanalogues
1992, Vol. 57, Issue 3, pp. 546–555 [Abstract] - Bohumil Kratochvíl, Jan Ondráček, Jiří Novotný, Josef Macíček and Václav Haber
Structure of Another Phase of (1-Phenyl-3-(2-[(2-aminoethyl)amino]ethylimino)-1-buten-1-olato-O,N,N',N")palladium(II) Perchlorate
1992, Vol. 57, Issue 1, pp. 85–92 [Abstract] - Stanislav Böhm, Richard Kubík, Jiří Novotný, Jan Ondráček, Bohumil Kratochvíl and Josef Kuthan
Reinvestigation of heterocyclic structures: Oxidation products from 1-substituted 2,4,6-triphenylpyridinium salts
1991, Vol. 56, Issue 11, pp. 2326–2339 [Abstract] - Bohumil Kratochvíl, Jan Ondráček, Jaroslav Maixner, Josef Macíček and Václav Haber
Structure of a palladium(II) complex with a non-symmetrical tetradentate Schiff base, [Pd(C14H20N3O)]NCS
1991, Vol. 56, Issue 9, pp. 1900–1907 [Abstract] - Antonín Kurfürst, Pavel Lhoták, Petr Nádeník, Františka Raclová-Pavlíková and Josef Kuthan
2-(Biphenyl-4-yl)-5-phenyl-1,3,4-oxadiazole (PBD): Electrophilic 4’-substitution and following transformations
1991, Vol. 56, Issue 7, pp. 1495–1504 [Abstract] - Bohumil Kratochvíl, Jan Ondráček, Jiří Novotný and Václav Haber
Structure of a copper(II) complex with a non-symmetrical tetradentate Schiff base
1991, Vol. 56, Issue 4, pp. 858–864 [Abstract]
