Collect. Czech. Chem. Commun. 1968, 33, 619-622
https://doi.org/10.1135/cccc19680619

Studies in the quinoxaline series. V. Preparation of 3-hydroxy-2-methyl-6-chloro- and 6-sulfamoylquinoxaline

J. Kaválek and J. Socha

Individual author index pages


Other CCCC articles of these authors

  • J. Kaválek, V. Macháček, M. Pastrnek and V. Štěrba
    Kinetics and mechanism of formation of Meisenheimer complexes from methyl malonate and 2,4,6-trinitroanisole
    1977, Vol. 42, Issue 10, pp. 2928–2937 [Abstract]
  • A. Ashfaq, J. Socha, M. Večeřa and P. Vetešník
    Hydrolysis kinetics and mechanism of O-carbamoyl derivatives of benzohydroxamic acid
    1977, Vol. 42, Issue 5, pp. 1642–1650 [Abstract]
  • V. Bekárek, K. Ubik, J. Barbořík and J. Socha
    Study of substituent effects in N-phenyl-N',N'-dimethylurea
    1977, Vol. 42, Issue 4, pp. 1368–1373 [Abstract]
  • J. Kaválek, F. Krampera and V. Štěrba
    Reaction of urea with ethyl acetoacetate
    1977, Vol. 42, Issue 2, pp. 718–725 [Abstract]
  • A. Ashfaq, O. Pytela, J. Socha and M. Večeřa
    Hydrolysis of O-acetylbenzohydroxamic acid derivatives
    1976, Vol. 41, Issue 11, pp. 3308–3313 [Abstract]
  • J. Kaválek, A. Lyčka, V. Macháček and V. Štěrba
    Reactions of 1-arylpyridinium ions with anions of methyl acetoacetate, cyanoacetate and malonate
    1976, Vol. 41, Issue 7, pp. 1926–1934 [Abstract]
  • J. Kaválek, F. Krampera and V. Štěrba
    Kinetics of hydrolysis and methanolysis of substituted N-methylformanilides
    1976, Vol. 41, Issue 6, pp. 1685–1691 [Abstract]
  • J. Kaválek, V. Macháček, A. Lyčka and V. Štěrba
    Kinetics of reaction of 2,4-dinitrochlorobenzene with methyl malonate, cyanoacetate and acetoacetate
    1976, Vol. 41, Issue 2, pp. 590–597 [Abstract]
  • V. Bekárek, J. Jirkovský, K. Pragerová and J. Socha
    Solvent effect on valence vibration of NH bond of acetanilides and phenylcarbamates
    1976, Vol. 41, Issue 2, pp. 430–432 [Abstract]
  • J. Kaválek, A. Lyčka, V. Macháček and V. Štěrba
    Kinetics and mechanism of reaction of 1-arylpyridinium salts with acetone and cyclohexanone
    1976, Vol. 41, Issue 1, pp. 67–77 [Abstract]
  • J. Kaválek, I. Kolb, V. Macháček and V. Štěrba
    Reactions of cyanide ion with methyl 3,5-dinitrobenzoate and 3,5-dinitrobenzonitrile
    1975, Vol. 40, Issue 12, pp. 3879–3885 [Abstract]
  • J. Kaválek, A. Lyčka, V. Macháček and V. Štěrba
    Kinetics of reactions of N-arylpyridinium salts with cyanide ion
    1975, Vol. 40, Issue 6, pp. 1932–1939 [Abstract]
  • J. Kaválek and V. Štěrba
    Kinetics of acid-catalyzed hydrolysis of substituted formanilides
    1975, Vol. 40, Issue 6, pp. 1924–1931 [Abstract]
  • J. Kaválek and V. Štěrba
    Kinetics of base-catalyzed hydrolysis of substituted formanilides
    1975, Vol. 40, Issue 4, pp. 1176–1182 [Abstract]
  • J. Kaválek, A. Lyčka, V. Macháček and V. Štěrba
    Reactions of substituted N-phenylpyridinium salts with methoxide and ethoxide ions
    1975, Vol. 40, Issue 4, pp. 1166–1175 [Abstract]
  • A. Ahmad, J. Socha and M. Večeřa
    Hydrolysis of benzohydroxamic acids
    1974, Vol. 39, Issue 11, pp. 3293–3303 [Abstract]
  • V. Bekárek, H. Kalová, J. Socha, K. Ubik and V. Šimánek
    Study of polar effects in N-arylmethanesulfonylamides
    1974, Vol. 39, Issue 8, pp. 2239–2246 [Abstract]
  • J. Kaválek, V. Macháček, V. Štěrba and J. Šubert
    Spectral study of formation of isomeric Meisenheimer complexes from 1-substituted 3,5-dinitrobenzenes and acetone
    1974, Vol. 39, Issue 8, pp. 2063–2072 [Abstract]
  • J. Kaválek, A. Lyčka, V. Macháček and V. Štěrba
    Kinetics and mechanism of reaction of N-(2,4-dinitrophenyl)pyridinium chloride with piperidine. Determination of reaction products and mechanism
    1974, Vol. 39, Issue 8, pp. 2056–2062 [Abstract]
  • V. Beránek, J. Kaválek, A. Lyčka and V. Štěrba
    Kinetics and mechanism of reaction of N-(2,4-dinitrophenyl)pyridinium chloride with piperidine. Determination of rate constants and kinetic equations of individual reaction steps
    1974, Vol. 39, Issue 8, pp. 2047–2055 [Abstract]
  • A. Barteček, J. Kaválek, V. Macháček and V. Štěrba
    Kinetics of reaction of isobutyraldehyde with aniline and its derivatives
    1974, Vol. 39, Issue 7, pp. 1722–1727 [Abstract]
  • J. Kaválek, A. Barteček and V. Štěrba
    Base catalysis in reaction of N-(2,4-dinitrophenyl)pyridinium chloride with aniline and N-methylaniline
    1974, Vol. 39, Issue 7, pp. 1717–1721 [Abstract]
  • J. Kaválek, J. Polanský and V. Štěrba
    Kinetics and mechanism of reaction of substituted N-phenylpyridinium ions with OH- ion
    1974, Vol. 39, Issue 4, pp. 1049–1060 [Abstract]
  • T. Vontor, V. Drobilič, J. Socha and M. Večeřa
    Solvolysis of phenyl N,N-dimethylcarbamates in alkaline and acid media
    1974, Vol. 39, Issue 1, pp. 281–286 [Abstract]
  • K. Kalfus, J. Socha and M. Večeřa
    Dissociation of phenols, azophenols and azonaphthols in anhydrous dimethyl sulphoxide
    1974, Vol. 39, Issue 1, pp. 275–280 [Abstract]
  • J. Kaválek, Tran Minh Chinh, V. Mikan, V. Štěrba and M. Večeřa
    Kinetics and mechanism of reaction of 2-anilino-4,6-dichloro- and -difluoro-1,3,5-triazine with substituted anilines
    1973, Vol. 38, Issue 7, pp. 1935–1939 [Abstract]
  • J. Kaválek and V. Štěrba
    Kinetics of reaction of 4-substituted 2-nitrofluorobenzenes with piperidine in benzene-acetonitrile mixtures
    1973, Vol. 38, Issue 3, pp. 884–891 [Abstract]
  • J. Kaválek, J. Kubias and V. Štěrba
    Mechanism of nucleophilic substitution of 2,4-dinitrohalogenobenzenes with N-methylanilines
    1972, Vol. 37, Issue 12, pp. 4041–4045 [Abstract]
  • V. Bekárek, I. Janů, J. Jirkovský, J. Socha and J. Klicnar
    Influence of substitution of aromatic nucleus on frequency of valence vibrations of groups bonded by hydrogen bond
    1972, Vol. 37, Issue 10, pp. 3447–3450 [Abstract]
  • J. Kaválek, J. Haasová and V. Štěrba
    Influence of medium on reactivity of 2,4-dinitrofluoro- and chlorobenzenes during reaction with m- and p-substituted anilines
    1972, Vol. 37, Issue 10, pp. 3333–3338 [Abstract]
  • Tran Minh Chinh, J. Kaválek and M. Večeřa
    Reactivity of cyanuric chloride and fluoride during reaction with meta- and para-substituted anilines
    1972, Vol. 37, Issue 10, pp. 3328–3332 [Abstract]
  • T. Vontor, J. Socha and M. Večeřa
    Kinetics and mechanism of hydrolysis of 1-naphthyl N-methyl- and N,N-dimethylcarbamates
    1972, Vol. 37, Issue 7, pp. 2183–2196 [Abstract]
  • Tran Minh Chinh, J. Kaválek and M. Večeřa
    Influence of substituents on nucleophilic reactivity of anilines during reaction with cyanur chloride
    1972, Vol. 37, Issue 3, pp. 832–838 [Abstract]
  • P. Vetešník, H. Hřebabecký and J. Socha
    Protonation of polyacid organic bases. VI. Substitution influence on ionization properties of 5-substituted 1,3-diaminobenzenes
    1971, Vol. 36, Issue 7, pp. 2500–2506 [Abstract]
  • P. Vetešník, J. Kaválek and V. Beránek
    Protonation of polyacid organic bases. V. Ionization constants of diacid conjugated acids of 4-substituted 1,2-diaminobenzenes and 6-substituted 2,3-dimethylquinoxalines
    1971, Vol. 36, Issue 7, pp. 2486–2499 [Abstract]
  • J. Kaválek, J. Socha, J. Urbánek and M. Večeřa
    Influence of dimethyl sulfoxide on reactivity of substituted 2-nitrochlorobenzenes and 3-nitro-4-chloroazobenzenes
    1971, Vol. 36, Issue 1, pp. 209–217 [Abstract]
  • J. Socha, V. Bekárek, J. Schreiber and M. Večeřa
    Reactivity of organic azo-compounds. XII. Correlation of chemical shift of hydroxyl group in NMR spectra of aromatic hydroxyazo compounds with substituent constants
    1970, Vol. 35, Issue 12, pp. 3551–3556 [Abstract]
  • J. Kaválek, J. Panchartek and V. Štěrba
    Kinetics and mechanism of diazo coupling. XVIII. Influence of polysubstitution on reactivity and selectivity of benzenediazonium ions in coupling reactions with 2-naphthol-6-sulfonic acid
    1970, Vol. 35, Issue 11, pp. 3470–3474 [Abstract]
  • K. Rothschein, J. Socha, P. Vetešník and M. Večeřa
    Aziditätsfunktion der Perchlorsäure im System von 50 vol.% Äthanol-50 vol.% Wasser
    1970, Vol. 35, Issue 10, pp. 3128–3132 [Abstract]
  • J. Socha and M. Večeřa
    Reactivity of organic azo-compounds. XI. Sustituent effects in the series of disubstituted 2-hydroxyazobenzenes
    1970, Vol. 35, Issue 10, pp. 3072–3078 [Abstract]
  • V. Bekárek, J. Dobáš, J. Socha, P. Vetešník and M. Večeřa
    Reactivity of organic azo-compounds. X. NMR study on azo-hydrazone tautomeric equilibrium in hydroxyazo-compounds
    1970, Vol. 35, Issue 5, pp. 1406–1414 [Abstract]
  • J. Schrieber, J. Socha and K. Rothschein
    Reactivity of organic azo compounds. IX. Tautomerism of some azohydroxy compounds
    1970, Vol. 35, Issue 3, pp. 857–866 [Abstract]
  • J. Socha and M. Večeřa
    Reactivity of organic azo-compounds. VIII. Dissociation constants of hydroxyl group and electronic spectra of 3'- and 4'-substituted 2-hydroxy-5-chloroazobenzenes
    1969, Vol. 34, Issue 12, pp. 3740–3745 [Abstract]
  • J. Socha, J. Horská and M. Večeřa
    Reaktivität organischer Azoverbindungen VII. Kinetik der alkalischen Hydrolyse der Acetate 3'- oder 4'-substituierter 4-Hydroxyazobenzole und 2-Hydroxy-5-methylazobenzole
    1969, Vol. 34, Issue 10, pp. 3178–3186 [Abstract]
  • J. Socha, J. Horská and M. Večeřa
    Reaktivität aromatischer Azoverbindungen VI. Über die Dissoziation des Protons der Hydroxylgruppe substituierter 4-Hydroxyazobenzole und 2-Hydroxy-5-methylazobenzole
    1969, Vol. 34, Issue 10, pp. 2982–2990 [Abstract]
  • J. Kaválek, J. Beneš, J. Socha, F. Brtník and M. Večeřa
    Nucleophile Reaktivität der 3'- und 4'-substituierten 3-Nitro-4-chlorazobenzole
    1969, Vol. 34, Issue 7, pp. 2092–2100 [Abstract]
  • J. Kaválek
    Studies in the quinoxaline series. VI. Kinetics of the condensation of 2,3-dimethylquinoxaline with benzaldehyde
    1969, Vol. 34, Issue 6, pp. 1819–1823 [Abstract]
  • P. Vetešník, K. Rothschein, J. Socha and M. Večeřa
    Acidity function of perchloric acid in solvent system 50% of ethanol-50% of water
    1969, Vol. 34, Issue 3, pp. 1087–1093 [Abstract]
  • J. Beneš, J. Kaválek, J. Bartošek and J. Churáček
    Kinetics and mechanism of non-catalysed condensation of 2-picoline with benzaldehyde
    1969, Vol. 34, Issue 3, pp. 819–832 [Abstract]
  • V. Bekárek, J. Socha and M. Večeřa
    Correlations between proton chemical shifts of hydroxyl groups with intramolecular hydrogen bondings and Hammett substituent constants
    1968, Vol. 33, Issue 10, pp. 3377–3380 [Abstract]
  • P. Vetešník, J. Bielavský, J. Kaválek and M. Večeřa
    Protonierung mehrsättiger organischer Basen IV. Über die Addition des ersten Protons an 4-substituierte 1,2-Phenylendiamine
    1968, Vol. 33, Issue 9, pp. 2902–2910 [Abstract]
  • P. Vetešník, J. Kaválek, V. Beránek and O. Exner
    Protonierung mehrsättiger organischer Basen II. Basizität und Tautomerie-gleichgewicht substituierter Chinoxaline
    1968, Vol. 33, Issue 2, pp. 566–576 [Abstract]