Collect. Czech. Chem. Commun. 1979, 44, 110-122
https://doi.org/10.1135/cccc19790110

Mechanism of hydration and isomerisation of 4-ethylidene-2,6-di-tert-butyl-2,5-cyclohexadien-1-one. Kinetics, acid-base catalysis and solvent deuterium isotope effects

Jiří Velek, Bohumír Koutek and Milan Souček

Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6

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Other CCCC articles of these authors

  • Bohumír Koutek, Lubomír Musil, Libuše Pavlíčková, Soňa Vašíčková and Milan Souček
    IR spectra of some quinone methides. Transmission of electronic effects in cross-conjugated systems
    1979, Vol. 44, Issue 10, pp. 2970–2981 [Abstract]
  • Václav Kašička, Zdeněk Prusík, Petra Sázelová, Dušan Koval, Tomislav Barth, Jan Hlaváček, Jan Ježek, Lenka Klasová, Jiřina Slaninová, Jiří Velek and Pavel Vepřek
    Analytical and preparative separations of biologically active peptides by capillary and free-flow electromigration methods
    Symposium Series 2001, Vol. 4, pp. 106–108 [Abstract]
    Published online 2016-04-21 09:04:36
  • Lenka Klasová, Štefan Zorad, Jiří Velek, Jan Ježek, Václav Kašička, Jana Barthová and Tomislav Barth
    Effect of N-methylation of the peptide bond in the C-terminal part of the B-chain of human insulin on biological activity
    Symposium Series 2001, Vol. 4, pp. 63–66 [Abstract]
    Published online 2016-04-21 09:03:44
  • Jiří Velek, Jan Ježek, Vlasta Velková, Mona Montash, Hatem Tallima and Rashika El Ridi
    Immunogenicity and immunoprotective capacity of synthetic peptides from Schistosoma mansoni glyceraldehyde 3-phosphate dehydrogenase
    Symposium Series 2001, Vol. 4, pp. 13–16 [Abstract]
    Published online 2016-04-21 09:02:42
  • Václav Kašička, Zdeněk Prusík, Petra Sázelová, Jan Ježek, Jiří Jiráček, Jan Hlaváček, Jiří Velek and Tomislav Barth
    Qualitative and quantitative microanalysis and preparative purification of biopeptides by capillary and continuous free-flow electrophoresis
    Symposium Series 1999, Vol. 3, pp. 100–102 [Abstract]
    Published online 2016-03-16 22:55:44
  • Lenka Klasová, Karel Huml, Jana Barthová, Karel Ubik, Václav Kašička, Josef Škarda, Linda Hauzerová, Tomislav Barth, Axel Wollmer, Dietrich Brandenburg, Jan Ježek and Jiří Velek
    Semisynthetic preparation of human insulin analogs containing N-methylated B24-B25 or B25-B26 peptide bonds
    Symposium Series 1999, Vol. 3, pp. 85–87 [Abstract]
    Published online 2016-03-16 22:55:19
  • Jan Ježek, Jiří Velek, Vlasta Velková, Lenka Klasová, Jana Barthová, Karel Ubik, Václav Kašička, Tomislav Barth, Axel Wollmer, Karel Huml, Linda Hauzerová and Dietrich Brandenburg
    Preparation and characterization of analogs of tetrapeptide B23-B26 and octapeptide B23-B30 of human insulin
    Symposium Series 1999, Vol. 3, pp. 82–84 [Abstract]
    Published online 2016-03-16 22:55:14
  • Martin Hradilek, Markéta Rinnová, Cyril Bařinka, Milan Souček and Jan Konvalinka
    Synthesis of library of HIV proteases inhibitors
    Symposium Series 1999, Vol. 3, pp. 79–81 [Abstract]
    Published online 2016-03-16 22:55:09
  • Zdena Tuháčková, Eva Šloncová, Jan Hlaváček, Vlasta Sovová and Jiří Velek
    Activation of the protein kinase B and glycogen synthase kinase-3 signalling pathway during transient differentiation of human colon cancer HT-29 cells
    Symposium Series 1999, Vol. 3, pp. 19–22 [Abstract]
    Published online 2016-03-16 22:53:40
  • Martina Vojtěchová, Zdena Tuháčková, Jan Hlaváček, Jiří Velek and Vlasta Sovová
    The v-Src and c-Src tyrosine kinases immunoprecipitated from Rous sarcoma virus-transformed cells display different specificities to three commonly used peptide substrates
    Symposium Series 2003, Vol. 6, pp. 119–121 [Abstract]
    Published online 2016-01-17 20:57:06
  • Milan Kožíšek, Jana Prejdová, Milan Souček, Ladislav Machala, Marie Staňková, Marek Linka, Marie Brůčková and Jan Konvalinka*
    Characterisation of Mutated Proteinases Derived from HIV-Positive Patients: Enzyme Activity, Vitality and Inhibition
    2004, Vol. 69, Issue 3, pp. 703–714 [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]
  • Zbyněk Matušina, Radomíra Olbřímková, Hana Votavová, Josef Neumann, Martin Hradilek, Milan Souček, Petr Maloň, Milan Kodíček and Ivan Stibor*
    Linear Heptapeptides Containing DNA-Intercalators. Synthesis and Interaction with DNA
    1999, Vol. 64, Issue 9, pp. 1419–1432 [Abstract]
  • Kateřina Brožková, Ivana Křížová, Libuše Pavlíčková, Martin Hradilek, Martin Fusek, Tomáš Ruml, Milan Souček and Iva Pichová*
    Peptidomimetic Inhibitors of Extracellular Aspartic Proteinases of Candida albicans and Candida tropicalis
    1999, Vol. 64, Issue 1, pp. 130–137 [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]
  • Bohumír Koutek, Ludvík Streinz and Miroslav Romaňuk
    Syntheses of Insect Sex Pheromones. A Review of the Literature 1990-1998
    1998, Vol. 63, Issue 7, pp. 899–954 [Abstract]
  • Jaroslav Litera, Jan Weber, Ivana Křížová, Iva Pichová, Jan Konvalinka, Martin Fusek and Milan Souček
    Peptide Inhibitors of Aspartic Proteinases with Hydroxyethylene Isostere Replacement of Peptide Bond. II. Preparation of Pseudotetrapeptides Derived from Diastereoisomeric 5-Amino-2-benzyl-4-hydroxy-6-phenylhexanoic Acids
    1998, Vol. 63, Issue 4, pp. 541–548 [Abstract]
  • Jaroslav Litera, Miloš Buděšínský, Ján Urban and Milan Souček
    Peptide Inhibitors of Aspartic Proteinases with Hydroxyethylene Isostere Replacement of Peptide Bond. I. Preparation of Four Diastereoisomeric (2R or 2S,4R or 4S,5S)-2-Benzyl-5-[(tert-butoxycarbonyl)amino]-4-hydroxy-6-phenylhexanoic Acids
    1998, Vol. 63, Issue 2, pp. 231–244 [Abstract]
  • Václav Svoboda, Kornelia Gottmanová, Vladimír Hynek and Bohumír Koutek
    Heat Capacities of Some Alkyl Acetates at 295-323 K
    1997, Vol. 62, Issue 10, pp. 1527–1532 [Abstract]
  • Ludvík Streinz, Bohumír Koutek and David Šaman
    An Effective Synthesis of 1,3-Oxathiolanes
    1997, Vol. 62, Issue 4, pp. 665–671 [Abstract]
  • Ivana Zoulíková, Ivan Svoboda, Jiří Velek, Václav Kašička, Jiřina Slaninová, Tomislav Barth and Pavel Hrbas
    Synthesis of Fragments of the Vasoactive Intestinal Peptide (VIP) and Analysis of Their Residual Biological Activities
    1995, Vol. 60, Issue 7, pp. 1229–1235 [Abstract]
  • Hans Vilhardt, Tomislav Barth, Miroslava Žertová, Zdenko Procházka and Jiří Velek
    The Amino and Deamino Analogues of 8-D-Homoarginine-Vasopressin with p-Substituted Phenylalanine in Position 2 in Activation of Factor VIII and Tissue Plasminogen Activator in Primates
    1995, Vol. 60, Issue 4, pp. 697–704 [Abstract]
  • Milan Souček and Ján Urban
    An Efficient Method for Preparation of Optically Active N-Protected α-Amino Aldehydes from N-Protected α-Amino Alcohols
    1995, Vol. 60, Issue 4, pp. 693–696 [Abstract]
  • Bohumír Koutek, Michal Hoskovec and Josef Lazar
    Estimation of Critical Properties from the Number of Carbon Atoms in Homologous Series
    1994, Vol. 59, Issue 7, pp. 1483–1494 [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]
  • Jiří Jiráček, Tomislav Barth, Jiří Velek, Ivo Bláha, Jan Pospíšek and Ivan Svoboda
    Purification of Penicillin Amidohydrolase, an Enzyme for Semisynthetic Procedures
    1992, Vol. 57, Issue 10, pp. 2187–2191 [Abstract]
  • Bohumír Koutek, Michal Hoskovec and Jan Vrkoč
    A simple method for estimating vaporization properties of pheromone-like acetates from their molecular structures
    1991, Vol. 56, Issue 4, pp. 727–735 [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]
  • 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]
  • 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]
  • Petr Kuzmič, Libuše Pavlíčková and Milan Souček
    Photoreaction of N-butyl 3,4-dimethoxy-6-nitrobenzamide with butylamine. A model study for lysine-directed photoaffinity labelling
    1987, Vol. 52, Issue 7, pp. 1780–1785 [Abstract]
  • Petr Kuzmič and Milan Souček
    Substituent effects in aromatic photochemistry. UV irradiation of 3,4-dimethoxybenzonitrile and 3,4-dimethoxyacetophenone in the presence of inorganic anions
    1987, Vol. 52, Issue 4, pp. 980–988 [Abstract]
  • Petr Kuzmič, Libuše Pavlíčková, Jiří Velek and Milan Souček
    Photoreaction of 3,4-dimethoxy-1-nitrobenzene with butylamine. A pH dependence of regioselectivity
    1986, Vol. 51, Issue 8, pp. 1665–1670 [Abstract]
  • Petr Kuzmič, Libuše Pavlíčková and Milan Souček
    Photochemical hydrolysis of some nitrophenyl acetates
    1986, Vol. 51, Issue 6, pp. 1293–1300 [Abstract]
  • Libuše Pavlíčková, Petr Kuzmič and Milan Souček
    Chemical actinometry in the UV range based on the photohydrolysis of 3,4-dimethoxynitrobenzene
    1986, Vol. 51, Issue 2, pp. 368–374 [Abstract]
  • Petr Kuzmič and Milan Souček
    Photocyanation of 3,4-dimethoxy-1-nitrobenzene. A quantitative study
    1986, Vol. 51, Issue 2, pp. 358–367 [Abstract]
  • Bohumír Koutek, Lubomír Musil, Jiří Velek and Milan Souček
    Fluorescence behaviour of some 4-substituted halobenzenes
    1985, Vol. 50, Issue 8, pp. 1753–1763 [Abstract]
  • Lubomír Musil, Bohumír Koutek, Jiří Velek and Milan Souček
    Substitution effect in electronic absorption spectra of 2- and 2,6-substituted 4-benzhydrylidene-2,5-cyclohexadien-1-ones
    1984, Vol. 49, Issue 9, pp. 1949–1964 [Abstract]
  • Bohumír Koutek
    Dipole moments in excited state. Solvatochromic equations based on different local-field models
    1984, Vol. 49, Issue 7, pp. 1680–1694 [Abstract]
  • Lubomír Musil, Bohumír Koutek, Jiří Velek, Josef Krupička and Milan Souček
    CNDO/S MO study of the fuchsone derivatives with sterically crowded exocyclic double bond
    1983, Vol. 48, Issue 10, pp. 2825–2839 [Abstract]
  • Libuše Pavlíčková, Bohumír Koutek, Václav Jehlička and Milan Souček
    Solvatochromic study of internal charge transfer in 7,7-disubstituted quinone methides
    1983, Vol. 48, Issue 8, pp. 2376–2385 [Abstract]
  • Milena Píšová and Milan Souček
    Oxidative rearrangement of o-fuchsone to 2,2-diphenyl-1,3-benzodioxol
    1982, Vol. 47, Issue 12, pp. 3318–3327 [Abstract]
  • Bohumír Koutek, Milena Píšová, Josef Krupička, Antonín Lyčka, Dobroslav Šnobl and Milan Souček
    Benzoannelated quinone methides
    1982, Vol. 47, Issue 6, pp. 1645–1653 [Abstract]
  • Milena Píšová and Milan Souček
    Intermolecular cyclization of o-fuchsones
    1982, Vol. 47, Issue 3, pp. 838–842 [Abstract]
  • Bohumír Koutek, Libuše Pavlíčková, Miloš Buděšínský and Milan Souček
    Synthesis and properties of benzoannelated 6-(1,3-dithiolan-2-yliden)-2,4-cyclohexadien-1-ones
    1982, Vol. 47, Issue 1, pp. 59–64 [Abstract]
  • Bohumír Koutek, Lubomír Musil, Jiří Velek, Antonín Lyčka, Dobroslav Šnobl, Miroslava Synáčková and Milan Souček
    Perturbation of the fuchsone chromophore by 3,5-methyl substitution. Sterically crowded exocyclic double bond
    1981, Vol. 46, Issue 10, pp. 2540–2556 [Abstract]
  • Antonín Lyčka, Dobroslav Šnobl, Bohumír Koutek, Libuše Pavlíčková and Milan Souček
    13C NMR study of 7,7-disubstituted quinone methides
    1981, Vol. 46, Issue 9, pp. 2083–2090 [Abstract]
  • Jiří Velek, Bohumír Koutek, Lubomír Musil, Soňa Vašíčková and Milan Souček
    Basicity of fuchsones. Infrared study of the ν(OH) stretching vibration in phenol-fuchsone complexes
    1981, Vol. 46, Issue 8, pp. 1818–1827 [Abstract]
  • Antonín Lyčka, Dobroslav Šnobl, Bohumír Koutek, Libuše Pavlíčková and Milan Souček
    13C NMR study of substituted quinone methides. 2- and 2,6-substituted fuchsones
    1981, Vol. 46, Issue 8, pp. 1775–1787 [Abstract]
  • Lubomír Musil, Bohumír Koutek, Milena Píšová and Milan Souček
    Delocalization and stability of o- and p-quinone methides: A HMO study
    1981, Vol. 46, Issue 5, pp. 1148–1159 [Abstract]
  • Jiří Velek, Bohumír Koutek, Lubomír Musil, Soňa Vašíčková and Milan Souček
    IR spectra of some quinone methides. A study of the ortho-effect
    1981, Vol. 46, Issue 4, pp. 873–882 [Abstract]
  • Josef Krupička, Bohumír Koutek, Lubomír Musil, Libuše Pavlíčková and Milan Souček
    Half-wave potentials of quinone methides in dimethylformamide: Substituent effects
    1981, Vol. 46, Issue 4, pp. 861–872 [Abstract]
  • Libuše Pavlíčková, Soňa Vašíčková and Milan Souček
    Synthesis and properties of 7,7-diaminoquinone methides
    1980, Vol. 45, Issue 10, pp. 2675–2683 [Abstract]
  • Miroslav Havel, Jiří Velek, Jan Pospíšek and Milan Souček
    Selective acylation of hydroxy steroids with acyl cyanides
    1979, Vol. 44, Issue 8, pp. 2443–2446 [Abstract]
  • Libuše Pavlíčková and Milan Souček
    Preparation and reactions of 5,7-ditert-butyl-1,2-diphenylspiro[2,5]octa-1,4,7-trien-6-one: A revision of the literature
    1979, Vol. 44, Issue 6, pp. 1810–1818 [Abstract]
  • Bohumír Koutek
    Dipole moments in excited state. Statistical investigation of methods employing solvatochromism
    1978, Vol. 43, Issue 9, pp. 2368–2386 [Abstract]