Collect. Czech. Chem. Commun.
1986, 51, 2817-2825
https://doi.org/10.1135/cccc19862817
Reactions of methyl ester of 5-amino-2-furancarboxylic acid with ethyl esters of orthoacids
Ladislav Štibrányi, Milena Peeva, Zdena Kozempelová, Ján Leško and Jaroslav Kováč
Department of Organic Chemistry, Slovak Technical University, 812 37 Bratislava
Individual author index pages
Other CCCC articles of these authors
- Jozef Saloň, Viktor Milata*, Nadežda Prónayová and Ján Leško
Utilisation of 6-Amino-2,3-dimethylquinoxaline for the Synthesis of Tricyclic Pyridoquinoxalines via Gould-Jacobs Reaction
2001, Vol. 66, Issue 11, pp. 1691–1697 [Abstract] - Marcel Antol, Zuzana Cvengrošová, Imrich Vrábel, Ján Leško and Milan Hronec
Oxidation of Alkylaromatic Hydrocarbons Over V2O5-Sb2O3/TiO2 Catalyst
1997, Vol. 62, Issue 9, pp. 1481–1490 [Abstract] - Jarmila Štetinová, Rudolf Kada, Ján Leško, Miloslava Dandárová and Marcela Krublová
Synthesis and Spectral Properties of 1-(6-Methoxy-2-benzothiazolyl)-2-pyridones
1996, Vol. 61, Issue 6, pp. 921–929 [Abstract] - Jarmila Štetinová, Martina Lojkásková, Miloslava Dandárová, Ján Leško and Rudolf Kada
Reactions of Substituted 5-Nitro-3-furoylthioureas
1996, Vol. 61, Issue 2, pp. 305–312 [Abstract] - Mária Jakubcová, Daniel Végh, Ján Leško and Vladimír Mastihuba
Study of Structure and Reactivity of Spirobi-2(5H)-furanones
1995, Vol. 60, Issue 12, pp. 2119–2126 [Abstract] - Jarmila Štetinová, Rudolf Kada, Ján Leško, Lubomír Zalibera, Dušan Ilavský and Alexander Bartovič
Synthesis and Properties of Substituted 1-(2-Benzothiazolyl)-2-pyridones
1995, Vol. 60, Issue 6, pp. 999–1008 [Abstract] - Jarmila Štetinová, Ján Leško, Miloslava Dandárová, Rudolf Kada and Roman Koreň
4-Aryl-3-substituted Furans
1994, Vol. 59, Issue 12, pp. 2721–2726 [Abstract] - Štefan Marchalín, Lucy Nieves Hinojosa Mamani, Dušan Ilavský, Naďa Prónayová and Ján Leško
Synthesis and Spectral Properties of 2-(5-R-2-Furylmethylene)-3-oxobutanenitriles
1993, Vol. 58, Issue 6, pp. 1388–1398 [Abstract] - Jarmila Štetinová, Miloslava Dandárová, Ján Leško and Lida Kalamárová
Amides of 5-Nitro-3-furanecarboxylic Acid
1992, Vol. 57, Issue 8, pp. 1775–1778 [Abstract] - Viktor Milata, Dušan Ilavský, Igor Goljer and Ján Leško
4-N-Benzazolylamino Derivatives of 3-Y-3-Buten-2-one
1992, Vol. 57, Issue 3, pp. 531–539 [Abstract] - Ladislav Štibrányi, Lubor Fišera, Rastislav Káčer, Vladimír Oremus and Martina Mihulová
An unusual tert-butylamine mediated conversion of 6-aryl-7-formyl-2,4,5,8-tetrahydro-1,3-dioxa-5-azocines to 1,2,3,6-tetrahydropyrimidine derivatives
1990, Vol. 55, Issue 10, pp. 2502–2509 [Abstract] - Eva Jedlovská, Lubor Fišera, Anna Balková, Jaroslav Kováč and Ladislav Štibrányi
Cycloadditions of 2,5-dimethyl-3-furannitrile oxide to alkenes and alkynes
1990, Vol. 55, Issue 10, pp. 2481–2492 [Abstract] - Viktor Milata, Dušan Ilavský, Igor Goljer, Ján Leško, Marc Chahinian and Erica Henry-Basch
4-Aminoethylene derivatives of 2-methylbenzotriazole
1990, Vol. 55, Issue 4, pp. 1038–1048 [Abstract] - Štefan Marchalín, Dušan Ilavský, Jaroslav Kováč and Milan Bruncko
Synthesis and reactions of 5-acetyl-2-amino-3-cyano-4-(5-X-2-furyl)-6-methyl-4H-pyrans
1990, Vol. 55, Issue 3, pp. 718–727 [Abstract] - Peter Šafář and Jaroslav Kováč
Reactions of 2-furfurylidenemalonaldehyde with aromatic amines and Meldrum's acid
1989, Vol. 54, Issue 9, pp. 2433–2442 [Abstract] - Peter Šafář and Jaroslav Kováč
Preparation of unsymmetrically substituted Stenhouse salts
1989, Vol. 54, Issue 9, pp. 2425–2432 [Abstract] - Adolf Jurášek, Jarmila Štetinová, Jaroslav Kováč, Vladimír Žvak, Ján Leško, Miloslava Dandárová and Eva Vlniešková
Reactions of aromatic amines with 5-nitro-3-furoyl and 5-nitro-2-furoyl isothiocyanates
1989, Vol. 54, Issue 3, pp. 699–705 [Abstract] - Adolf Jurášek, Daniela Berecinová, Miroslav Čakrt, Miloslava Dandárová, Zdeněk Friedl, Jarmila Štetinová and Jaroslav Kováč
Synthesis of 2-aryl-3-furancarboxylic acids by arylation of 3-furancarboxylic acid
1989, Vol. 54, Issue 1, pp. 215–224 [Abstract] - Ľubomír Floch, Michal Uher and Ján Leško
2-Amino-substituted derivatives of benzimidazoles from 2-isothiocyanato carboxylates
1989, Vol. 54, Issue 1, pp. 206–214 [Abstract] - Alžbeta Krutošíková, Miloslava Dandárová, Juraj Alföldi and Jaroslav Kováč
Addition and cycloaddition reactions of furo[3,2-b]pyrroles and their benzo[b] analogues: An NMR study of structure of products
1988, Vol. 53, Issue 8, pp. 1770–1778 [Abstract] - Tibor Gracza, Zdeněk Arnold and Jaroslav Kováč
Synthesis of pyridazines via furan vinamidinium salts
1988, Vol. 53, Issue 6, pp. 1297–1301 [Abstract] - Viktor Milata, Dušan Ilavský and Ján Leško
Preparation and spectral properties of imidazo- and triazoloquinolines with angular ring fusion
1988, Vol. 53, Issue 5, pp. 1068–1077 [Abstract] - Tibor Gracza, Zdeněk Arnold and Jaroslav Kováč
Electrophilic ipso substitutions of furan vinamidinium salts
1988, Vol. 53, Issue 5, pp. 1053–1059 [Abstract] - Dušan Hesek, Alfonz Rybár, František Považanec, Augustin Martvoň and Jaroslav Kováč
1,3-Dipolar cycloaddition reactions of 7-alkenyl- or 7-alkynyl-8-azidomethyltheophyllines
1988, Vol. 53, Issue 2, pp. 319–328 [Abstract] - Daniel Végh, Jaroslav Kováč and Miloslava Dandárová
Syntheses of 5-nitro-2-furyl- and 5-nitro-2-thienylacetonitriles
1988, Vol. 53, Issue 1, pp. 114–117 [Abstract] - Viera Kaliská, Štefan Toma and Ján Leško
Synthesis and mass spectra of piperidine and piperazine N-oxyl radicals
1987, Vol. 52, Issue 9, pp. 2266–2273 [Abstract] - Vladimír Oremus, Lubor Fišera and Ladislav Štibrányi
Preparation and photochemistry of 3-cyanosubstituted condensed isoxazolines containing an oxygen atom
1987, Vol. 52, Issue 7, pp. 1773–1779 [Abstract] - Štefan Baláž, Daniel Végh, Ernest Šturdík, Jozef Augustín, Tibor Liptaj and Jaroslav Kováč
Substitution reactions of some (5-nitro-2-furyl)ethylene derivatives with thiols
1987, Vol. 52, Issue 2, pp. 431–436 [Abstract] - Zdeněk Friedl, Stanislav Böhm, Igor Goljer, Anna Piklerová, Daniela Poórová, Anna Ríčková and Jaroslav Kováč
Polar effects on 13C NMR chemical shifts and rotational barriers of amides. A dual substituent parameters analysis of N,N-dimethyl-3-(5-substituted-2-furyl)-acrylamides
1987, Vol. 52, Issue 2, pp. 409–424 [Abstract] - Anna Koreňová, Alžbeta Krutošíková, Jaroslav Kováč and Stanislav Celec
Synthesis and reactions of furo[3,2-c]pyridine derivatives
1987, Vol. 52, Issue 1, pp. 192–198 [Abstract] - Ladislav Štibrányi, Stanislav Sekretár and Milena Peeva
Reactions of ethyl ester of N-(5-methoxycarbonyl-2-furyl)imidoformic and imidoacetic acids with amines
1986, Vol. 51, Issue 12, pp. 2826–2829 [Abstract] - Jarmila Štetinová, Adolf Jurášek, Jaroslav Kováč, Miloslava Dandárová and Oľga Rajniaková
Synthesis and properties of 4-alkylaminomethyl and 4-alkoxymethyl derivatives of 5-methyl-2-furancarboxylic acid
1986, Vol. 51, Issue 10, pp. 2186–2192 [Abstract] - Tatyana Ya. Kaklyugina, Larisa A. Badovskaya, Ludmila N. Sorotskaya, Nadezhda D. Kozhina, Adolf Jurášek, Rudolf Kada, Jaroslav Kováč and Vladimír G. Kulnevich
Reaction of 2-butenolide and 4-bromo-2-butenolide with 5-aryl-2-furaldehydes and thiolates
1986, Vol. 51, Issue 10, pp. 2181–2185 [Abstract] - Lubor Fišera, Nadezhda D. Kozhina, Peter Oravec, Hans-Joachim Timpe, Ladislav Štibrányi and Larisa A. Badovskaya
Photoinduced rearrangement of hydroxymethylisoxazolines, a route to enaminoaldehydes
1986, Vol. 51, Issue 10, pp. 2167–2180 [Abstract] - Lubor Fišera, Vladimír Oremus, Hans-Joachim Timpe, Ladislav Štibrányi and Peter Zálupský
An unusual effect of exo-endo configuration on the quantum yield Φ of photochemical rearrangement of 4-R-substituted 8-phenyl-3,5,10-trioxa-9-azabicyclo-[5,3,0]-8-decenes
1986, Vol. 51, Issue 10, pp. 2158–2166 [Abstract] - Ján Hrabovský, Jaroslav Kováč and František Považanec
Mechanism of alkenylation of aromatic substrates with 5-nitro-2-furylvinyl bromide
1986, Vol. 51, Issue 9, pp. 2013–2018 [Abstract] - Eva Kraľovičová, Alžbeta Krutošíková and Jaroslav Kováč
Preparation and reactions of thieno[3,2-b]furan derivatives
1986, Vol. 51, Issue 8, pp. 1685–1691 [Abstract] - Michal Uher, Ján Leško and Ivan Tóth
Furo[2,3-d]thiazoles
1986, Vol. 51, Issue 8, pp. 1678–1684 [Abstract] - Eva Kraľovičová, Alžbeta Krutošíková, Jaroslav Kováč and Miloslava Dandárová
Reactions of 2-aryl-4H-furo[3,2-b]pyrrole derivatives
1986, Vol. 51, Issue 7, pp. 1455–1461 [Abstract] - Dušan Berkeš and Jaroslav Kováč
5-Tricyanovinyl-2-furylation of aromatic derivatives
1986, Vol. 51, Issue 7, pp. 1450–1454 [Abstract] - Ján Hrabovský, Jaroslav Kováč and Katarína Vagáčová
Preparation of N-methyl-5-nitro-2-pyrrolylvinyl bromide
1986, Vol. 51, Issue 6, pp. 1301–1303 [Abstract] - Ján Hrabovský, Jaroslav Kováč and Mária Kaprinayová
5-Nitro-2-thienylvinylation. Preparation of 2-substituted 1-(5-nitro-2-thienyl)ethylenes
1986, Vol. 51, Issue 5, pp. 1127–1132 [Abstract] - Miloslava Dandárová, Daniel Végh, Jaroslav Kováč, Igor Goljer, Nadežda Prónayová and Katarína Špirková
1H and 13C NMR study of some substituted 2-furyl- and 2-thienylethylene derivatives
1986, Vol. 51, Issue 4, pp. 889–898 [Abstract] - Tibor Gracza, Zdeněk Arnold and Jaroslav Kováč
New method of preparation of 5-(N,N-dimethylamino)-2-furylethylenes via furan vinamidinium salts
1986, Vol. 51, Issue 4, pp. 879–888 [Abstract] - Tibor Gracza, Zdeněk Arnold and Jaroslav Kováč
New type of addition to 5-substituted 4-arylidene-2-(4,5-dihydrofurfurylidene)-N,N-dimethyliminium bisperchlorates. Preparation of 4-substituted 5-(N,N-dimethylamino)-2-furancarbaldehydes
1986, Vol. 51, Issue 3, pp. 573–580 [Abstract] - Jarmila Štetinová, Adolf Jurášek, Jaroslav Kováč, Miloslava Dandárová and Peter Šafář
Furan-related N-onium salts as synthons for preparation of 3-furylbenzoindolizines
1986, Vol. 51, Issue 2, pp. 412–418 [Abstract] - Eva Kraľovičová, Alžbeta Krutošíková, Jaroslav Kováč and Miloslava Dandárová
Electrophilic substitution reactions of furo[3,2-b]pyrrole derivatives
1986, Vol. 51, Issue 1, pp. 106–111 [Abstract] - Adolf Jurášek, Vladimír Žvak, Jaroslav Kováč, Oľga Rajniaková and Jarmila Štetinová
Synthesis and reactions of β-substituted derivatives of furan
1985, Vol. 50, Issue 9, pp. 2077–2083 [Abstract] - Lubor Fišera, Vladimír Oremus, Ladislav Štibrányi, Hans-Joachim Timpe and Alena Máťušová
Photo-induced rearrangement of isoxazolines - A pathway to 2,4,5,8-tetrahydro-1,3-dioxa-5-azocine derivatives
1985, Vol. 50, Issue 9, pp. 1982–1993 [Abstract] - Lubor Fišera, Marta Konopíková, Ladislav Štibrányi and Hans-Joachim Timpe
Solvent and substituent effects on rearrangement of 4-(4-X-phenyl)-2,7-dioxa-3-azabicyclo[3,3,0]oct-3-enes
1985, Vol. 50, Issue 9, pp. 1971–1981 [Abstract] - Štefan Baláž, Anton Kuchár, Ernest Šturdík, Michal Rosenberg, Ladislav Štibrányi and Dušan Ilavský
Interphase distribution of 2-furylethylenes
1985, Vol. 50, Issue 8, pp. 1642–1647 [Abstract] - Daniel Végh, Miroslav Kríž, Jaroslav Kováč, Anna Fulierová and Rudolf Kada
Synthesis and reactions of trimethylammonium salts of ethylene derivatives of furan
1985, Vol. 50, Issue 6, pp. 1415–1421 [Abstract] - Tibor Gracza, Zdeněk Arnold and Jaroslav Kováč
Reaction of vinamidinium salts of furan with aldehydes
1985, Vol. 50, Issue 3, pp. 675–682 [Abstract] - Katarína Špirková, Rudolf Kada, Jaroslav Kováč, Viera Knoppová, Miroslav Dzuroška and Margita Margušová
A study of reactions of 5-substituted furfurylidene derivatives with secondary amines
1985, Vol. 50, Issue 2, pp. 459–469 [Abstract] - Adolf Jurášek, Jaroslav Kováč, Radoslav Palovčík and Ľuboš Mazag
α-Trichloromethylsulfonyl-5-nitro-2-furaldehydes, a new type of SH-group uncouplers and intermediates in the synthesis of 5-nitro-2-furylarylnitrilimines
1985, Vol. 50, Issue 2, pp. 357–364 [Abstract] - Vladimír Žvak, Miloslava Dandárová, Jaroslav Kováč and Katarína Špirková
Spatial arrangement of 1-(2-furyl)-2-methoxycarbonyl-4-(5-X-2-furyl)butadienes
1984, Vol. 49, Issue 11, pp. 2502–2508 [Abstract] - Rudolf Kada, Viera Knoppová, Jaroslav Kováč and Irena Maleňáková
Preparation of 5-X-2-(2-nitrovinyl)furans and their reactions with nucleophiles
1984, Vol. 49, Issue 11, pp. 2496–2501 [Abstract] - Miroslav Kríž, Jaroslav Kováč and Vladimír Mlynárik
Preparation of pyridinium salts of 2-furane derivatives
1984, Vol. 49, Issue 11, pp. 2485–2491 [Abstract] - Gennadii D. Krapivin, Adolf Jurášek, Jaroslav Kováč and Vladimír G. Kul'nevich
Synthesis and properties of 4-amino-5-(5-X-2-furyl)thiazole derivatives
1984, Vol. 49, Issue 10, pp. 2285–2294 [Abstract] - Rudolf Kada, Viera Knoppová, Jaroslav Kováč and Naděžda Mäčková
Reactions of 1-cyano-1-R-2-(5-X-2-furyl)ethylenes with nucleophilic reagents
1984, Vol. 49, Issue 9, pp. 2141–2147 [Abstract] - Vladimír Žvak, Jaroslav Kováč, Miloslava Dandárová, Tibor Gracza and Miroslav Kríž
Nucleophilic substitution reaction of keto-allylic systems with a heterocyclic ring in γ-position
1984, Vol. 49, Issue 8, pp. 1764–1773 [Abstract] - Tibor Gracza, Zdeněk Arnold and Jaroslav Kováč
Vinamidium salts having a furan ring and their substitution electrophilic reactions
1984, Vol. 49, Issue 7, pp. 1600–1604 [Abstract] - Anna Koreňová, Alžbeta Krutošíková, Miloslava Dandárová and Jaroslav Kováč
Synthesis and reactions of furocondensed systems containing indole skeleton
1984, Vol. 49, Issue 6, pp. 1529–1535 [Abstract] - Lubor Fišera, Samuel Ľaudár, Hans-Joachim Timpe, Peter Zálupský and Ladislav Štibrányi
Preparation and photochemistry of furoisoxazolines. An extraordinarily unambiguous photo-induced rearrangement
1984, Vol. 49, Issue 5, pp. 1193–1203 [Abstract] - Rudolf Kada, Viera Knoppová, Jaroslav Kováč and Pavel Čepec
Reaction of 2-cyano-3-(4,5-dibromo-2-furyl)-2-propenenitrile and methyl 2-cyano-3-(4,5-dibromo-2-furyl)-2-propenoate with nucleophiles
1984, Vol. 49, Issue 4, pp. 984–991 [Abstract] - Jarmila Štetinová, Jaroslav Kováč, František Považanec, Miloslava Dandárová and Alžbeta Pajchortová
1,3-Dipolar cycloadditions of N-(5-nitro-2-furfuryl)isoquinolinium bromide in the synthesis of benzoindolizines
1984, Vol. 49, Issue 2, pp. 533–542 [Abstract] - Daniel Végh and Jaroslav Kováč
The synthesis and reactivity of 5-nitro-2-furylacetylene
1984, Vol. 49, Issue 1, pp. 280–284 [Abstract] - Stanislav Sekretár, Jana Rudá and Ladislav Štibrányi
Photochemical reactions of 2-substituted furans with some carbonyl compounds
1984, Vol. 49, Issue 1, pp. 71–77 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč and Miroslava Dandárová
Synthesis and reactions of furocondensed derivatives
1984, Vol. 49, Issue 1, pp. 65–70 [Abstract] - Katarína Špirková, Jaroslav Kováč, Vladimír Žvak, Tibor Gracza and Miloslava Dandárová
Preparation and stereochemistry of pentadiene derivatives of furan
1983, Vol. 48, Issue 12, pp. 3559–3564 [Abstract] - Lubor Fišera, František Považanec, Peter Zálupský, Jaroslav Kováč and Dušan Pavlovič
Site-selectivity of 1,3-dipolar cycloadditions to 2,3-dimethoxycarbonyl-7-oxabicyclo[2,2,1]heptadiene
1983, Vol. 48, Issue 11, pp. 3144–3153 [Abstract] - Ján Hrabovský and Jaroslav Kováč
New synthesis of 2-(4-nitrophenyl)-1-(5-nitro-2-furyl)ethylene and 2-(4-ethoxycarbonylphenyl)-1-(5-nitro-2-furyl)ethylene
1983, Vol. 48, Issue 11, pp. 3130–3133 [Abstract] - Raul Mocelo and Jaroslav Kováč
Aliphatic and aromatic 5-nitro-2-furylamines and aromatic 5-nitrofurfuryl ethers
1983, Vol. 48, Issue 9, pp. 2682–2692 [Abstract] - Daniel Végh, Jaroslav Kováč, Miloslava Dandárová, Vladimír Briš and Milan Seman
Synthesis of pyridinium and picolinium salts of 5-nitro-2-vinylfuran having antibacterial properties
1983, Vol. 48, Issue 7, pp. 1891–1897 [Abstract] - Daniel Végh, Jaroslav Kováč and Miloslava Dandárová
Synthesis and reactions of trimethylammonium salts of 5-nitro-2-furan and 5-nitro-2-thiophene. The preparation of 5-nitro-2-furyl- and 5-nitro-2-thienyl azide
1983, Vol. 48, Issue 7, pp. 1885–1890 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč and Eva Kraľovičová
The synthesis and reactions of arylfurocondensed derivatives
1983, Vol. 48, Issue 7, pp. 1878–1884 [Abstract] - Lubor Fišera, Peter Mesko, Ján Leško, Miloslava Dandárová, Jaroslav Kováč and Igor Goljer
1,3-Dipolar cycloadditions of C-benzoyl-N-phenylnitrone indole derivatives
1983, Vol. 48, Issue 7, pp. 1854–1863 [Abstract] - Michal Uher, Dušan Berkeš, Ján Leško and Ľubomír Floch
Reactions of carbonyl isothiocyanates with nucleophilic bifunctional reagents
1983, Vol. 48, Issue 6, pp. 1651–1658 [Abstract] - Adolf Jurášek, Daniel Geisbacher and Jaroslav Kováč
Reaction of 5-nitrofurfuryltrichloromethyl sulfone with aliphatic aldehydes. Synthesis of butadienes and cyclobutenes related to 5-nitrofuran
1983, Vol. 48, Issue 4, pp. 1062–1067 [Abstract] - Adolf Jurášek, Dana Polakovičová and Jaroslav Kováč
Phenylsulfonyl derivatives of chalcones derived from 5-nitrofuran
1983, Vol. 48, Issue 4, pp. 1057–1061 [Abstract] - Lubor Fišera, Jaroslav Kováč, Juraj Patúš and Dušan Pavlovič
1,3-Dipolar cycloaddition of C-benzoyl-N-phenylnitrone to oxanorbornadiene and oxanorbornene derivatives; endo-exo and site selectivity
1983, Vol. 48, Issue 4, pp. 1048–1056 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč and Eva Kraľovičová
2-Arylfluoro[3,2-b]pyrroles
1983, Vol. 48, Issue 3, pp. 772–777 [Abstract] - Miloslava Dandárová, Jaroslav Kováč, Daniel Végh and Vladimír Žvak
Stereochemistry of some substituted 2-furyl- and 2-thienyl ethylene derivatives. 1H NMR study
1982, Vol. 47, Issue 12, pp. 3412–3417 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč, Miloslava Dandárová and Mária Bobálová
Synthesis and reactions of substituted benzofuro[3,2-b]pyrrole derivatives
1982, Vol. 47, Issue 12, pp. 3288–3296 [Abstract] - Jarmila Štetinová, Miloslava Dandárová, Jaroslav Kováč, Darina Mesárošová and Ján Leško
1,3-Dipolar cycloadditions of ylide of 5-nitro-2-furfurylpyridinium bromide in indolizine synthesis
1982, Vol. 47, Issue 6, pp. 1738–1745 [Abstract] - Vladimír Žvak, Jaroslav Kováč and Miroslav Kríž
Preparation and reactions of methyl 2-bromomethyl-3-(5-nitro-2-furyl)propenoate
1982, Vol. 47, Issue 6, pp. 1632–1635 [Abstract] - Ladislav Štibrányi, Alfonz Rybár, Ján Jendrichovský, Lýdia Boženková and Vladimír Kovalčík
7-(3-Substituted amino-2-hydroxypropyl)-8-benzyl-, or -8-phenyltheophyllines
1982, Vol. 47, Issue 5, pp. 1339–1345 [Abstract] - Miroslav Marchalín, Ján Leško and Augustin Martvoň
Thiazolo]3,2-a[-1,3,5-triazines. Preparation of 4-substituted 2-thiazolyl isothiocyanates and their reactions with isocyanates, aldimines and carbodiimides
1982, Vol. 47, Issue 4, pp. 1229–1234 [Abstract] - Daniel Végh, Jaroslav Kováč and Miloslava Dandárová
5-Substituted 2-furancarbaldehydes and water-soluble furan derivatives
1982, Vol. 47, Issue 3, pp. 961–966 [Abstract] - Lubor Fišera, Miloslava Dandárová, Jaroslav Kováč, Anton Gáplovský, Juraj Patúš and Igor Goljer
1,3-Dipolar cycloaddition of C-benzoyl-N-phenylnitrone with dihydrofuran derivatives. Investigation of endo-exo stereoselectivity
1982, Vol. 47, Issue 2, pp. 523–534 [Abstract] - Ján Hrabovský and Jaroslav Kováč
5-Nitro-2-furylvinylation of substituted benzene derivatives
1982, Vol. 47, Issue 1, pp. 45–53 [Abstract] - Iva Sroková, Pavel Vetešník, Adolf Jurášek and Jaroslav Kováč
Tautomerism of 5-nitro-2-furylnitromethane
1981, Vol. 46, Issue 12, pp. 3122–3127 [Abstract] - Adolf Jurášek, Dana Polakovičová and Jaroslav Kováč
Study of keto-enol tautomerism and alkylation reactions of β-ketosulphones of 5-nitrofuran series
1981, Vol. 46, Issue 12, pp. 3115–3121 [Abstract] - Viera Knoppová, Anton Beňo, Miloslava Dandárová and Jaroslav Kováč
Transmission of polar effects arcoss the CH=CH link in styrylfuran system
1981, Vol. 46, Issue 12, pp. 3110–3114 [Abstract] - Viera Knoppová, Anton Beňo and Jaroslav Kováč
Synthesis and properties of 5-styryl-2-furancarboxylic acids
1981, Vol. 46, Issue 11, pp. 2724–2728 [Abstract] - Ján Hrabovský, Miloslava Dandárová and Jaroslav Kováč
5-Nitro-2-furylvinylation of aromatic polycyclic compounds
1981, Vol. 46, Issue 11, pp. 2716–2723 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč, Miloslava Dandárová, Ján Leško and Štefan Ferík
Synthesis and reactions of substituted furo[3,2-b]pyrrole derivatives
1981, Vol. 46, Issue 10, pp. 2564–2572 [Abstract] - Lubor Fišera, Miloslava Dandárová, Jaroslav Kováč, Peter Mesko and Alžbeta Krutošíková
Cycloadditions of C-benzoyl-N-phenylnitrone with furocondensed derivatives
1981, Vol. 46, Issue 10, pp. 2421–2427 [Abstract] - Katarína Špirková, Jaroslav Kováč, Ivan Horsák and Miloslava Dandárová
Reactions of ethyl 4-bromo-3-(2-furyl)-2-butenoate with nitrogen nucleophiles
1981, Vol. 46, Issue 6, pp. 1513–1517 [Abstract] - Lubor Fišera, Anton Gáplovský, Hans-Joachim Timpe and Jaroslav Kováč
Correlation of kinetic data of 1,3-dipolar cycloadditions of C-benzoyl-N-phenylnitrones with the homo energies of furan derivatives
1981, Vol. 46, Issue 6, pp. 1504–1512 [Abstract] - Michal Uher, Jozef Foltín, František Považanec and Jaroslav Kováč
Reactions of benzoyl isothiocyanates with 5-substituted tetrazoles
1981, Vol. 46, Issue 6, pp. 1492–1494 [Abstract] - Peter Kutschy, Pavol Kristian, Miloslava Dandárová and Jaroslav Kováč
Synthesis and reactions of cis-3-(2-furyl)propenoyl isocyanate
1981, Vol. 46, Issue 5, pp. 1160–1166 [Abstract] - Viera Knoppová, Adolf Jurášek, Miloslava Dandárová and Jaroslav Kováč
Synthesis and properties of styryl derivatives of 2-furaldehyde
1981, Vol. 46, Issue 2, pp. 515–519 [Abstract] - Viera Knoppová, Miloslava Dandárová and Jaroslav Kováč
Kinetic and spectral studies on 5-phenoxy-2-furaldehydes and their condensation products
1981, Vol. 46, Issue 2, pp. 506–514 [Abstract] - Jozef Černák, František Tomanovič, Andrej Staško, Anna Fedosyevna Oleinikova and Jaroslav Kováč
Electrochemical reduction of para-substituted 2-acyl-5-phenylfuranes in dimethylformamide
1981, Vol. 46, Issue 2, pp. 498–502 [Abstract] - Miloslava Dandárová, Jaroslav Kováč and Daniel Végh
1H and 13C NMR study of (X-phenyl)-5-nitro-2-furylvinyl ethers
1980, Vol. 45, Issue 12, pp. 3557–3563 [Abstract] - Lubor Fišera, Ján Leško, Miloslava Dandárová and Jaroslav Kováč
1,3-dipolar cycloaddition of C-benzoyl-N-phenylnitrone with furan derivatives. Anomalous dehydrogenation of cycloadducts with 2,3-dichloro-5,6-dicyano-1,4-benzoquinone
1980, Vol. 45, Issue 12, pp. 3546–3556 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč, Mária Chudobová and Dušan Ilavský
Reactions of ethyl 2-(4-chlorophenyl)-4H-furo[3,2-b]pyrrole-5-carboxylate
1980, Vol. 45, Issue 11, pp. 2949–2957 [Abstract] - Rudolf Kada, Viera Knoppová, Jaroslav Kováč and Miroslav Balag
The reaction of 2-cyano-3-(5-phenylsulphonyl-2-thienyl) acronitrile with nucleophiles
1980, Vol. 45, Issue 8, pp. 2360–2363 [Abstract] - Rudolf Kada, Viera Knoppová, Jaroslav Kováč and Zbyněk Večeřa
The reaction of methyl 2-cyano-3-(5-phenylsulphonyl-2-furyl)acrylate with nucleophiles
1980, Vol. 45, Issue 6, pp. 1831–1836 [Abstract] - Alžbeta Krutošíková and Jaroslav Kováč
5-Nitrophenyl-2-furfuryl-N-onium bromides
1980, Vol. 45, Issue 6, pp. 1715–1719 [Abstract] - Josef Prousek, Adolf Jurášek and Jaroslav Kováč
Cyclopropanes of 5-nitrofurane series. Reactions of diazomethane with 1-(5-nitro-2-furyl)-1-trichloromethylsulphonyl-2-R-ethylenes
1980, Vol. 45, Issue 6, pp. 1704–1714 [Abstract] - Peter Kutschy, Pavol Kristian, Milan Dzurilla and Jaroslav Kováč
Reactions of α,β-unsaturated acyl isothiocyanates with phenylhydrazine
1980, Vol. 45, Issue 6, pp. 1692–1703 [Abstract] - Josef Prousek, Adolf Jurášek and Jaroslav Kováč
Reactions and spectral properties of 2-amino-3-cyano-4,5-disubstituted furane derivatives
1980, Vol. 45, Issue 5, pp. 1581–1588 [Abstract] - František Považanec, Jaroslav Kováč and Jozef Svoboda
Preparation of 2- and 2,5-disubstituted 1,3,4-oxadiazoles from tetrazoles and carboxylic acids
1980, Vol. 45, Issue 4, pp. 1299–1300 [Abstract] - Viera Knoppová, Anton Beňo and Jaroslav Kováč
Synthesis and properties of 5-phenoxyfurancarboxylic acids
1980, Vol. 45, Issue 3, pp. 910–913 [Abstract] - Vladimír Žvak, Jaroslav Kováč and Miroslav Kríž
Nucleophilic substitution reaction of methyl 2-bromoethyl-3-(2-furyl)propenoate with amines
1980, Vol. 45, Issue 3, pp. 906–909 [Abstract] - František Považanec, Jaroslav Kováč and Dušan Hesek
The conversion of 5-nitrofurfuryl derivatives into 5-aminofurfurylidenemalonodinitrile
1980, Vol. 45, Issue 3, pp. 752–754 [Abstract] - Adolf Jurášek, Jaroslav Kováč and Rudolf Belko
Synthesis of trisubstituted ethylenes of the furan series based on 5-methoxycarbonyl-2-furfuryl trichloromethyl sulfone
1980, Vol. 45, Issue 3, pp. 746–751 [Abstract] - Viera Knoppová, Anton Beňo, Rudolf Kada and Jaroslav Kováč
Synthesis and polarographic investigation of 5-phenoxy-2-furaldehydes
1980, Vol. 45, Issue 2, pp. 423–426 [Abstract] - Daniel Végh, Jaroslav Kováč, Miloslava Dandárová and Lubor Ivančo
5-Nitro-2-furylvinylation of secondary and tertiary amines
1980, Vol. 45, Issue 1, pp. 155–162 [Abstract] - František Považanec, Jaroslav Kováč and Dušan Hesek
Opening of the furan ring in 5-azido-2-furaldehyde
1980, Vol. 45, Issue 1, pp. 150–154 [Abstract] - Katarína Špirková, Jaroslav Kováč, Václav Konečný, Miloslava Dandárová and Marta Černayová
Synthesis and reactions of alkyl 3-bromomethyl-3-(2-furyl)-2-propenoates with sulfur containing nucleophiles
1980, Vol. 45, Issue 1, pp. 142–149 [Abstract] - Josef Prousek, Adolf Jurášek and Jaroslav Kováč
Reactions and spectral properties of ethyl 5-aminofuroate and its derivatives
1980, Vol. 45, Issue 1, pp. 135–141 [Abstract] - František Považanec, Jaroslav Kováč and Dušan Hesek
A new method of preparation of α-amino derivatives of furan
1979, Vol. 44, Issue 11, pp. 3301–3307 [Abstract] - Josef Prousek, Adolf Jurášek and Jaroslav Kováč
Alkylation reactions of 5-nitrofurfuryl derivatives as C-acids
1979, Vol. 44, Issue 8, pp. 2511–2516 [Abstract] - Adolf Jurášek, Jaroslav Kováč and Mária Bencková
Arylhydrazones of 5-nitrofurfuryl dichloromethyl sulfone
1979, Vol. 44, Issue 8, pp. 2507–2510 [Abstract] - Viera Knoppová, Rudolf Kada and Jaroslav Kováč
Kinetics of nucleophilic displacement of 2,5-disubstituted furans
1979, Vol. 44, Issue 8, pp. 2417–2420 [Abstract] - Ján Hrabovský and Jaroslav Kováč
5-Nitro-2-furylvinylation of aromatic compounds
1979, Vol. 44, Issue 7, pp. 2096–2100 [Abstract] - Daniel Geisbacher, Adolf Jurášek and Jaroslav Kováč
Reaction of 5-nitrofurfuryltrichloromethyl sulfone with aliphatic aldehydes. The synthesis of cyclopropanes derived from 5-nitrofuran
1979, Vol. 44, Issue 6, pp. 1984–1991 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč, Miloslava Dandárová and Miroslav Veverka
Reactions of ethyl 2-(nitrophenyl)-4H-furo[3,2-b]pyrrole-5-carboxylate
1979, Vol. 44, Issue 6, pp. 1805–1809 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč and Jozef Kristofčák
Synthesis of substituted 2-aryl-4H-furo[3,2-b]pyrroles
1979, Vol. 44, Issue 6, pp. 1799–1804 [Abstract] - Daniel Végh, Jaroslav Kováč and Miloslava Dandárová
Synthesis of 5-nitro-2-vinylfuran by Wittig method
1979, Vol. 44, Issue 5, pp. 1630–1633 [Abstract] - Oľga Rajniaková, Jarmila Štetinová and Jaroslav Kováč
Study of 3-(5-X-2-furyl)acrylic acids and their methyl esters by gas chromatography
1979, Vol. 44, Issue 3, pp. 942–945 [Abstract] - Ladislav Štibrányi, Alfonz Rybár, Lýdia Božeková and Sven Rippa
7-(3-Substituted amino-2-hydroxypropyl)-8-hydroxymethyltheophyllines
1979, Vol. 44, Issue 2, pp. 424–428 [Abstract] - Josef Prousek, Adolf Jurášek, Miloslava Dandárová and Jaroslav Kováč
Cyclopropanes of 5-nitrofuran series
1979, Vol. 44, Issue 2, pp. 420–423 [Abstract] - Alfons Rybár, Ladislav Štibrányi and Ján Leško
7-(2,3-Epoxypropyl)-8-substituted theophyllines and their mass spectra
1978, Vol. 43, Issue 12, pp. 3414–3419 [Abstract] - Viera Knoppová, Rudolf Kada and Jaroslav Kováč
Kinetics of nucleophilic replacement of 2,5-disubstituted furans
1978, Vol. 43, Issue 12, pp. 3409–3413 [Abstract] - Daniel Végh, Jaroslav Kováč and František Považanec
Preparation and reactions of Z and E isomers of 5-nitro-2-furylvinyl azide
1978, Vol. 43, Issue 12, pp. 3404–3408 [Abstract] - Iva Sroková, Adolf Jurášek, Miloslava Dandárová and Jaroslav Kováč
Synthesis and spectral properties of trisubstituted ethylenes of the 5-nitrofuran series
1978, Vol. 43, Issue 12, pp. 3252–3257 [Abstract] - Alžbeta Krutošíková, Václav Konečný and Jaroslav Kováč
O,O-Dialkyl thiophosphonohydrazones, S-methyl and S-benzyl dithiocarbohydrazones derived from 5-substituted-2-furaldehydes
1978, Vol. 43, Issue 10, pp. 2643–2648 [Abstract] - Jarmila Štetinová, Miloslava Dandárová, Viera Knoppová and Jaroslav Kováč
5-Nitro-2-furfuryl-N-onium bromides
1978, Vol. 43, Issue 8, pp. 2041–2045 [Abstract] - Rudolf Kada and Jaroslav Kováč
Condensation reactions of 5-arylthio- and 5-heteroarylthio-2-furaldehydes with nitromethane
1978, Vol. 43, Issue 8, pp. 2037–2040 [Abstract] - Daniel Geisbacher, Adolf Jurášek, Miloslava Dandárová and Jaroslav Kováč
(5-Nitro-2-furyl)-1-trichloromethylsulphonyl-2-arylethylenes
1978, Vol. 43, Issue 6, pp. 1618–1627 [Abstract] - Ján Jendrichovský, Alfons Rybár, Ladislav Štibrányi, Ján Dřímal and Marta Jendrichovská
Syntheses and spectral properties of O,O-disubstituted S-(5,6-dihydro-1,4-dithiine-2,3-dicarboximidomethyl)thiophosphates
1978, Vol. 43, Issue 4, pp. 1100–1107 [Abstract] - František Považanec, Adolf Jurášek, Jaroslav Kováč, Miroslav Marchalín and Peter Zálupský
1,3-Dipolar cycloaddition of diazomethane to substituted 3-(2-furyl)acrylonitriles
1978, Vol. 43, Issue 3, pp. 870–875 [Abstract] - Rudolf Kada, Jaroslava Surá, Adolf Jurášek, Jaroslav Kováč and Alena Žvaková
Transmission of electronic effects in 3-[5-(4-X-phenylthio)-2-furyl]- and 3-[5-(4-X-phenylsulphonyl)-2-furyl]acrylic acids
1978, Vol. 43, Issue 2, pp. 621–625 [Abstract] - Iva Sroková, Adolf Jurášek, Miloslava Dandárová and Jaroslav Kováč
Synthesis of trisubstituted ethylenes derived from 5-nitro-2-furylnitromethane
1978, Vol. 43, Issue 2, pp. 463–470 [Abstract] - Alžbeta Krutošíková, Jaroslav Kováč, Miloslava Dandárová and Marián Valentíny
Reaction of 5-aryl-2-furancarbohydroximoyl chlorides with enamines
1978, Vol. 43, Issue 1, pp. 288–294 [Abstract] - Rudolf Kada, Viera Knoppová and Jaroslav Kováč
5-Nitrofurfuryl heteroaryl sulphides and sulphones
1978, Vol. 43, Issue 1, pp. 160–164 [Abstract] - Rudolf Kada, Viera Knoppová, Jaroslav Kováč, Adolf Jurášek and Jaroslav Šuranský
Preparation and properties of 5-nitrofuryl alkyl sulphones
1978, Vol. 43, Issue 1, pp. 156–159 [Abstract]
