Collect. Czech. Chem. Commun. 1988, 53, 1297-1301
https://doi.org/10.1135/cccc19881297

Synthesis of pyridazines via furan vinamidinium salts

Tibor Graczaa, Zdeněk Arnoldb and Jaroslav Kováča

a Department of Organic Chemistry, Slovak Institute of Technology, 812 37 Bratislava
b Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6

Individual author index pages


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  • Daniel Végh, Jaroslav Kováč, Miloslava Dandárová, Vladimír Briš and Milan Seman
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  • Daniel Végh, Jaroslav Kováč and Miloslava Dandárová
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  • Jarmila Štetinová, Miloslava Dandárová, Jaroslav Kováč, Darina Mesárošová and Ján Leško
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  • Vladimír Žvak, Jaroslav Kováč and Miroslav Kríž
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  • Daniel Végh, Jaroslav Kováč and Miloslava Dandárová
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  • Lubor Fišera, Miloslava Dandárová, Jaroslav Kováč, Anton Gáplovský, Juraj Patúš and Igor Goljer
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  • Ján Hrabovský and Jaroslav Kováč
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  • Viera Knoppová, Anton Beňo, Miloslava Dandárová and Jaroslav Kováč
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  • Viera Knoppová, Anton Beňo and Jaroslav Kováč
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  • Ján Hrabovský, Miloslava Dandárová and Jaroslav Kováč
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  • Alžbeta Krutošíková, Jaroslav Kováč, Miloslava Dandárová, Ján Leško and Štefan Ferík
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    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
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  • Katarína Špirková, Jaroslav Kováč, Ivan Horsák and Miloslava Dandárová
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  • Lubor Fišera, Anton Gáplovský, Hans-Joachim Timpe and Jaroslav Kováč
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  • Viera Knoppová, Miloslava Dandárová and Jaroslav Kováč
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  • Jozef Černák, František Tomanovič, Andrej Staško, Anna Fedosyevna Oleinikova and Jaroslav Kováč
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  • 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]
  • Vladimír Král, Zdeněk Arnold, Václav Jehlička and Otto Exner
    Quantum chemical study of sulfonium ylides: Structure, charge distribution and dipole moments
    1980, Vol. 45, Issue 4, pp. 1236–1250 [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]
  • Vladimír Král and Zdeněk Arnold
    Study of some aliphatic ammonium ylides by semiempirical and ab initio methods: Structure and charge distribution
    1980, Vol. 45, Issue 1, pp. 92–103 [Abstract]
  • Vladimír Král and Zdeněk Arnold
    Trimethylammoniodiformylmethylide: Structure and charge distribution
    1980, Vol. 45, Issue 1, pp. 80–91 [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]
  • Josef Prousek, Adolf Jurášek, Miloslava Dandárová and Jaroslav Kováč
    Cyclopropanes of 5-nitrofuran series
    1979, Vol. 44, Issue 2, pp. 420–423 [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]
  • Jiří Dědina, Jan Schraml, Zdeněk Arnold and Jana Šauliová
    Homonuclear Overhauser effect study of trimethinium salts
    1978, Vol. 43, Issue 12, pp. 3356–3364 [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]
  • Miroslav Svoboda, Miroslava Synáčková, Zdeněk Samek, Pavel Fiedler and Zdeněk Arnold
    N,N-Dimethyl-N-alkylammoniodiformylmethylides: New group of stabilised aliphatic ylides
    1978, Vol. 43, Issue 5, pp. 1261–1275 [Abstract]
  • Miroslav Svoboda, Soňa Vašíčková and Zdeněk Arnold
    Ammoniodicyanomethylides: Synthesis and properties
    1978, Vol. 43, Issue 5, pp. 1254–1260 [Abstract]
  • Vladimír Král and Zdeněk Arnold
    Preparation and properties of dimethylsulfoniodiformylmethylide
    1978, Vol. 43, Issue 5, pp. 1248–1253 [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]