Collect. Czech. Chem. Commun. 1978, 43, 1634-1638
https://doi.org/10.1135/cccc19781634

Ketimine-enamine tautomerism of 2-methylene-3-oxo-1,2,3,4-tetrahydroquinoxaline derivatives

Vladimír Macháček, Jaromír Toman and Jiří Klicnar

Individual author index pages


Other CCCC articles of these authors

  • Jiří Hanusek* and Vladimír Macháček
    Intramolecular base-catalyzed reactions involving interaction between benzene nitro groups and ortho carbon chains
    2009, Vol. 74, Issue 5, pp. 811–833 [Abstract]
  • Miloš Sedlák, Jiří Hanusek, Radim Bína, Jaromír Kaválek and Vladimír Macháček*
    Kinetics and Mechanism of the Formation and Decomposition of Imidazolin-4-ones from 2-(N-Benzoylamino)alkanamides in Aqueous Medium
    1999, Vol. 64, Issue 10, pp. 1629–1640 [Abstract]
  • Petr Vlasák, Patrik Pařík, Jiří Klicnar and Jaromír Mindl
    Synthesis of Ring-Substituted Phenyl Hydrazinecarboxylates and Study of Their Protonation in Dimethyl Sulfoxide Solutions
    1998, Vol. 63, Issue 6, pp. 793–802 [Abstract]
  • Miloš Sedlák, Jaromír Kaválek, Petr Mitaš and Vladimír Macháček
    Kinetics and Mechanism of Cyclization of Substituted 2-(Benzoylamino)alkanamides in Strongly Basic Medium
    1998, Vol. 63, Issue 3, pp. 394–406 [Abstract]
  • Marek Janík, Vladimír Macháček and Oldřich Pytela
    Kinetics of Cyclization of Methyl S-(2,4,6-Trinitrophenyl)mercaptoacetate to 2-Methoxycarbonyl-5,7-dinitrobenzo[d]thiazol-3-oxide
    1997, Vol. 62, Issue 9, pp. 1429–1445 [Abstract]
  • Miloš Sedlák, Aleš Halama, Jaromír Kaválek, Vladimír Macháček, Petr Mitaš and Vojeslav Štěrba
    Preparation and NMR Spectra of Substituted 2-(4-Nitrophenyl)imidazolinones
    1996, Vol. 61, Issue 6, pp. 910–920 [Abstract]
  • Vladimír Macháček, Alexandr Čegan, Aleš Halama, Olga Rožňavská and Vojeslav Štěrba
    Reactions of 4-Amino-3-penten-2-one and Its NSubstituted Derivatives with Diazonium Ions
    1995, Vol. 60, Issue 8, pp. 1367–1379 [Abstract]
  • Miloš Sedlák, Aleš Halama, Jaromír Kaválek, Vladimír Macháček and Vojeslav Štěrba
    Preparation, 1H and 13C NMR Spectra of Substituted 2-Benzoylaminocarboxamides
    1995, Vol. 60, Issue 1, pp. 150–160 [Abstract]
  • Jaromír Toman, Jaromír Mindl, Antonín Lyčka, Jiří Klicnar, Ivana Srovnalová and Miloš Koníček
    Structure of Reaction Products of Some Substituted Quinoxaline N-Oxides with Carbanions
    1994, Vol. 59, Issue 11, pp. 2493–2500 [Abstract]
  • Vladimír Macháček, Jana Manová, Miloš Sedlák and Vojeslav Štěrba
    Kinetics and Mechanism of Reaction of 2,4-Dinitrobenzaldehyde with Hydroxide Ion
    1994, Vol. 59, Issue 10, pp. 2262–2268 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček and Vojeslav Štěrba
    Coupling Kinetics of 4-Sulfobenzenediazonium Ion with 2,4-Thiazolidinedione, Its 3-Methyl Derivative and 3-Methyl-5-isoxazolone
    1994, Vol. 59, Issue 9, pp. 2022–2028 [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]
  • Jaromír Kaválek, Vladimír Macháček, Miloš Sedlák and Vojeslav Štěrba
    Study of Cyclization of 1-Benzoyl-3-methyl-3-(2-methoxycarbonylphenyl)thiourea to 1-Methyl-2-thioxo-4-quinazolone
    1993, Vol. 58, Issue 5, pp. 1122–1132 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Miloš Sedlák and Vojeslav Štěrba
    Kinetics and Mechanism of Cyclization of N-(2-Methoxycarbonylphenyl)-N-methylsulfonamide to 1-Methyl-(1H)-2,1,3-benzothiadiazine-4(3H)-one-2,2-dioxide
    1992, Vol. 57, Issue 6, pp. 1282–1290 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Miloš Sedlák and Vojeslav Štěrba
    Kinetics and mechanism of cyclization of N-(2-methoxycarbonylphenyl)-N’-methylsulphonamide to 3-methyl-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide
    1991, Vol. 56, Issue 8, pp. 1701–1710 [Abstract]
  • Jiří Klicnar, Jaromír Mindl and Vojeslav Štěrba
    Kinetics of reaction of 1,2-diaminobenzene with phenylglyoxal
    1990, Vol. 55, Issue 5, pp. 1216–1222 [Abstract]
  • Jaromír Kaválek, Ulrika Králíková, Vladimír Macháček, Miloš Sedlák and Vojeslav Štěrba
    Kinetics and mechanism of solvolysis of N-aryl sulfuric diamides
    1990, Vol. 55, Issue 1, pp. 202–222 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Gabriela Svobodová and Vojeslav Štěrba
    Kinetics and mechanism of reversible, base-catalyzed ring closure of 3-(methoxycarbonyl)propionanilide and O-(methoxycarbonylmethyl)-N-phenylcarbamate
    1989, Vol. 54, Issue 4, pp. 1005–1011 [Abstract]
  • Vladimír Macháček, Alexandr Čegan, Miloš Sedlák and Vojeslav Štěrba
    Formation of spiro adduct from N-methyl-N-(2,4,6-trinitrophenyl)glycine anion
    1989, Vol. 54, Issue 2, pp. 440–445 [Abstract]
  • Vladimír Macháček, Miloslav Sebránek and Vojeslav Štěrba
    Reaction of N-methyl-N-(2,4-dinitrophenyl)glycine methylamide with methoxide
    1989, Vol. 54, Issue 2, pp. 430–439 [Abstract]
  • Jiří Klicnar, Jaromír Mindl, Ivana Obořilová, Jaroslav Petříček and Vojeslav Štěrba
    Reaction kinetics of 1,2-diaminobenzene with ethyl 2-oxopropanoate and 2,3-butanedione
    1988, Vol. 53, Issue 12, pp. 3154–3163 [Abstract]
  • Vladimír Macháček, Vojeslav Štěrba, Ivan Kolb and Antonín Lyčka
    Reactions of methyl esters of N-(2,4-dinitrophenyl)glycine and N-methyl-N-(2,4-dinitrophenyl)glycine with sodium methoxide
    1988, Vol. 53, Issue 5, pp. 1044–1052 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Vojeslav Štěrba and Antonín Lyčka
    Formation of N-methyl-2-nitroso-4,6-dinitroaniline from methyl ester of N-methyl-N-(2,4,6-trinitrophenyl)glycine
    1988, Vol. 53, Issue 5, pp. 1033–1043 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Makky M. M. Hassanien and Vojeslav Štěrba
    Base-catalyzed formation of spiro adduct from N-methyl-N-(2,4,6-trinitrophenyl)glycinamide, the smiles rearrangement of the amide in methanol
    1988, Vol. 53, Issue 3, pp. 601–618 [Abstract]
  • Jaromír Kaválek, Josef Jirman, Vladimír Macháček and Vojeslav Štěrba
    The methanolysis kinetics and dissociation constants of 1-(subst. benzoyl)-3-phenylthioureas
    1988, Vol. 53, Issue 3, pp. 593–600 [Abstract]
  • Antonín Lyčka, Vladimír Macháček and Josef Jirman
    15N, 13C, and 1H NMR spectra of 1-substituted-2,4,6-trinitrobenzenes
    1987, Vol. 52, Issue 12, pp. 2946–2952 [Abstract]
  • Vladimír Macháček, Makky M. M. Hassanien and Vojeslav Štěrba
    Kinetics and mechanism of spiro adduct formation from and smiles rearrangement of N-methyl-N-(2,4,6-trinitrophenyl)aminoacetanilide. Base-catalyzed transformation of N-(2,4,6-trinitrophenylamino)acetanilide into 2-nitroso-4,6-dinitroaniline
    1987, Vol. 52, Issue 9, pp. 2225–2240 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Gabriela Svobodová and Vojeslav Štěrba
    Kinetics of acid-catalyzed cyclization of substituted hydantoinamides to substituted hydantoins
    1987, Vol. 52, Issue 8, pp. 1999–2004 [Abstract]
  • Jaromír Kaválek, Josef Jirman, Vladimír Macháček and Vojeslav Štěrba
    An anomalous effect of methyl group on acidity of acylthioureas
    1987, Vol. 52, Issue 8, pp. 1992–1998 [Abstract]
  • Vladimír Macháček, Gabriela Svobodová and Vojeslav Štěrba
    Kinetics and mechanism of base-catalyzed cyclization of substituted amides and nitriles of hydantoic acid
    1987, Vol. 52, Issue 1, pp. 140–155 [Abstract]
  • Vladimír Macháček, Vojeslav Štěrba and Antonín Lyčka
    Mechanism of the reaction of 1-methoxy- and 1-chloro-2,4,6-trinitrobenzene with dimethyl malonate anion
    1987, Vol. 52, Issue 1, pp. 132–139 [Abstract]
  • Vladimír Macháček, Makky M. M. Hassanien, Vojeslav Štěrba and Antonín Lyčka
    Formation of the Meisenheimer spiro adduct of N-(2,4,6-trinitrophenyl)alanine methylamide and its rearrangement to 2-amino-N-methyl-N-(2,4,6-trinitrophenyl)propanamide
    1986, Vol. 51, Issue 9, pp. 1972–1985 [Abstract]
  • Jaromír Toman and Jiří Klicnar
    Derivatives of 3,4-dihydro-3-thioxo-2-quinoxalinylacetic acid
    1986, Vol. 51, Issue 2, pp. 419–428 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček, Gabriela Svobodová and Vojeslav Štěrba
    Base catalyzed cyclization of substituted esters of hydantoic and thiohydantoic acids
    1986, Vol. 51, Issue 2, pp. 375–390 [Abstract]
  • Vladimír Macháček, Antonín Lyčka and Milan Nádvorník
    A study of reaction of aromatic polynitro compounds with tributylstannyl hydride
    1985, Vol. 50, Issue 11, pp. 2598–2606 [Abstract]
  • Vladimír Macháček, Josef Kořínek, Daniela Kreuzigová and Vojeslav Štěrba
    Kinetics of reactions of 1,2,4-triazole-3-diazonium ions with phenol and with hydroxyl ion
    1985, Vol. 50, Issue 3, pp. 658–674 [Abstract]
  • Jaromír Mindl, Vojeslav Štěrba, Vladimír Kadeřábek, Jr. and Jiří Klicnar
    Kinetics and mechanism of hydrolysis of benzhydryl N-arylthiocarbamates and study of their IR spectra
    1984, Vol. 49, Issue 7, pp. 1577–1591 [Abstract]
  • Jaromír Toman and Jiří Klicnar
    Synthesis and properties of some derivatives of 3,4-dihydro-3-oxo-2-quinoalinylacetic acid
    1984, Vol. 49, Issue 4, pp. 976–983 [Abstract]
  • Vladimír Macháček and Antonín Lyčka
    13C and 15N NMR spectra of 6-substituted bicyclo[3,3,1]7-nonanone nitronates
    1984, Vol. 49, Issue 1, pp. 244–252 [Abstract]
  • Jaromír Kaválek, Vladimír Macháček and Vojeslav Štěrba
    Reactions of ethyl 2-alkyl-3-oxobutanoate with thiourea and methylthiourea
    1983, Vol. 48, Issue 7, pp. 1872–1877 [Abstract]
  • Vladimír Macháček, Jaroslav Andrle and Vojeslav Štěrba
    Kinetics of reaction of 1-chloro-2,4,6-trinitrobenzene with enolate ions of 2,4-pentanedione and methyl 3-oxobutanoate
    1983, Vol. 48, Issue 6, pp. 1608–1617 [Abstract]
  • Vladimír Macháček, Vojeslav Štěrba and Helena Zahradníčková
    Solvolysis kinetics and mechanism of 3-methyl-1,3-thiazolidine-2,4-dione
    1981, Vol. 46, Issue 12, pp. 3097–3103 [Abstract]
  • Jiří Klicnar and Jaromír Toman
    Ketimine-enamine tautomers of tetrazolo[1,5-a]quinoxaline derivatives
    1981, Vol. 46, Issue 9, pp. 2110–2115 [Abstract]
  • Jaromír Toman, Vojeslav Štěrba and Jiří Klicnar
    Ketimine-enamine tautomerism of 2-ethoxycarbonylmethylene-4-methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline: A kinetic study
    1981, Vol. 46, Issue 9, pp. 2104–2109 [Abstract]
  • Vladimír Macháček, Said El Bahaie and Vojeslav Štěrba
    Study of cyclization of 2-acetyl-3-methylamino-N-benzoyl-2-butenethioamide
    1981, Vol. 46, Issue 1, pp. 256–261 [Abstract]
  • Jaromír Kaválek, Said El-Bahaie, Vladimír Macháček and Vojeslav Štěrba
    Study of reaction of thiourea with ethyl 3-oxobutanoate
    1980, Vol. 45, Issue 3, pp. 732–739 [Abstract]
  • Jaromír Mindl, František Radonský, Jiří Klicnar and Miroslav Večeřa
    Kinetics and mechanism of alkaline hydrolysis of (Z)-O-(N-4-nitrophenylcarbamoyl)benzaldoximes in 30% aqueous ethanol
    1979, Vol. 44, Issue 8, pp. 2401–2408 [Abstract]
  • Vladimír Macháček, Sylvie Marečková and Vojeslav Štěrba
    Study of reaction of substituted nitrophenyl acetates and benzoates with nucleophiles
    1979, Vol. 44, Issue 6, pp. 1779–1789 [Abstract]
  • Vladimír Macháček, Said A. El-bahai and Vojeslav Štěrba
    Kinetics of cyclization of S-ethoxycarbonylmethylisothiouronium chloride to 2-imino-4-thiazolidone
    1979, Vol. 44, Issue 3, pp. 912–917 [Abstract]
  • Jaromír Toman, Jiří Klicnar and Vladimír Macháček
    Synthesis of 2-methyl-3-oxo-3,4-dihydroquinoxaline derivatives
    1978, Vol. 43, Issue 8, pp. 2179–2189 [Abstract]