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]