Collect. Czech. Chem. Commun. 1987, 52, 2266-2273

Synthesis and mass spectra of piperidine and piperazine N-oxyl radicals

Viera Kaliskáa, Štefan Tomaa and Ján Leškob

a Department of Organic Chemistry, Faculty of Natural Sciences, Comenius University, 842 15 Bratislava
b Laboratory of Mass Spectrometry, Faculty of Chemical Technology, Slovak Institute of Technology, 812 37 Bratislava

Individual author index pages

Other CCCC articles of these authors

  • Ivana Fleischer and Štefan Toma*
    Synthesis of New Chiral 1,2-Disubstituted Ferrocenes
    2004, Vol. 69, Issue 2, pp. 330–338 [Abstract]
  • Iveta Kmentová and Štefan Toma*
    Synthesis of Tricarbonyl(diacetylarene)chromium and Tricarbonyl(diformylarene)chromium Complexes
    2002, Vol. 67, Issue 11, pp. 1616–1622 [Abstract]
  • 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]
  • Eva Veverková, Battsengel Gotov, Róbert Mitterpach and Štefan Toma*
    Benzoylation of Arenes Using Envirocat EPZG® Catalyst and Microwave Irradiation
    2000, Vol. 65, Issue 5, pp. 644–650 [Abstract]
  • Battsengel Gotov*, Štefan Toma and Eva Solčániová
    Acetylation and Formylation of 3-Ferrocenylpyrroles
    1999, Vol. 64, Issue 1, pp. 99–106 [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]
  • Peter Hrnčiar, Pavel Hrnčiar, Vladimír Gajda, Eva Švanygová and Štefan Toma
    On the Synthesis of 2-Substituted (η6-Indan-1,3-dione)tricarbonylchromium Complexes
    1997, Vol. 62, Issue 3, pp. 479–493 [Abstract]
  • Ľubomír Šebo, Juraj Alföldi, Grety Rihs and Štefan Toma
    On the Stereoselectivity of the (-)-Dimenthyl Malonate Addition to α,β-Unsaturated Ketones
    1996, Vol. 61, Issue 12, pp. 1805–1814 [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]
  • Monika Prokešová, Grety Rihs and Štefan Toma
    Diels-Alder Reactions of Cyclopentadiene with Several Ferrocenyl- and η6-Phenyltricarbonylchromium Analogues of Chalcone. Catalytic Effect of SiO2
    1996, Vol. 61, Issue 3, pp. 364–370 [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]
  • Ľubomír Šebo, Ján Šraga, Grety Rihs and Štefan Toma
    Stereoselectivity of Michael Addition to 3-Phenyl-1-(η6-o-tolyltricarbonylchromium)propenone
    1994, Vol. 59, Issue 12, pp. 2621–2631 [Abstract]
  • Pavol Hrnčiar, Peter Černák, Vladimír Gajda and Štefan Toma
    Regioselectivity of Complexations of Substituted Phenyl Benzoates and Phenyl Phenylacetates with Cr(CO)6
    1994, Vol. 59, Issue 9, pp. 2095–2102 [Abstract]
  • Monika Puciová, Peter Ertl and Štefan Toma
    Synthesis of Ferrocenyl-Substituted Heterocycles: The Beneficial Effect of the Microwave Irradiation
    1994, Vol. 59, Issue 1, pp. 175–185 [Abstract]
  • Marta Sališová, Ľubomír Šebo, Štefan Toma and Eva Solčániová
    Study of the Reactivity of 2-Benzylidene[3]ferrocenophane-1,3-dione with Ethyl Acetoacetate and Some Other C-Nucleophiles
    1993, Vol. 58, Issue 9, pp. 2128–2138 [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]
  • Monika Puciová and Štefan Toma
    Synthesis of Oximes in the Microwave Oven
    1992, Vol. 57, Issue 11, pp. 2407–2412 [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]
  • Peter Hrnčiar, Milan Hudeček, Gusein K. I. Magomedov and Štefan Toma
    Exploration of the new method for the synthesis of η6-arenetricarbonylchromium complexes. The scope and limitations
    1991, Vol. 56, Issue 7, pp. 1477–1481 [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]
  • Milan Dzurilla, Peter Kutschy, Dušan Koščík and Štefan Toma
    Intramolecular cyclization of O-alkyl-N-(3-phenylpropenoyl)thiocarbamates catalyzed by boron trifluoride
    1990, Vol. 55, Issue 3, pp. 710–717 [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]
  • 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]
  • 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]
  • Josef Hanzlík, Jan Hovorka, Zdeněk Samec and Štefan Toma
    Electron transfer between ferrocene and hexacyanoferrate(III) across the water/1,2-dichloroethane interface
    1988, Vol. 53, Issue 5, pp. 903–911 [Abstract]
  • Štefan Kaluz and Štefan Toma
    Preparation of 1’- and 2-substituted ferrocenylalanine derivatives
    1988, Vol. 53, Issue 3, pp. 638–642 [Abstract]
  • Štefan Kaluz and Štefan Toma
    Synthesis and reactivity of methyl ester of 1'-(chloromethyl)ferrocenecarboxylic acid
    1987, Vol. 52, Issue 11, pp. 2717–2721 [Abstract]
  • Štefan Toma and Marta Sališová
    Acylation of ω-phenylalkanoylferrocenes by cinnamoyl and phenylpropiolyl chlorides
    1987, Vol. 52, Issue 6, pp. 1520–1526 [Abstract]
  • Štefan Toma, Martin Putala and Marta Sališová
    Ultrasound-accelerated synthesis of ferrocene-containing pyrimidine derivatives
    1987, Vol. 52, Issue 2, pp. 395–398 [Abstract]
  • Štefan Toma, Pavol Elečko, Jarmila Gažová and Eva Solčániová
    Diels-Alder reaction of acryloylferrocene with 1-phenyl-1,3-butadiene catalysed by homoionic forms of montmorillonite
    1987, Vol. 52, Issue 2, pp. 391–394 [Abstract]
  • Jozef Federič and Štefan Toma
    Michael additions to metallocene analogues of chalcones
    1987, Vol. 52, Issue 1, pp. 174–181 [Abstract]
  • Viera Kaliská, Marta Sališová, Eva Solčániová and Štefan Toma
    Study of the reactivity of 2-(3-chlorobenzylidene)[3]ferrocenophane-1,3-dione
    1987, Vol. 52, Issue 1, pp. 166–173 [Abstract]
  • Ladislav Štibrányi, Milena Peeva, Zdena Kozempelová, Ján Leško and Jaroslav Kováč
    Reactions of methyl ester of 5-amino-2-furancarboxylic acid with ethyl esters of orthoacids
    1986, Vol. 51, Issue 12, pp. 2817–2825 [Abstract]
  • Štefan Kaluz and Štefan Toma
    Addition of C- and S-nucleophiles to acryloylferrocene and cinnamoylferrocene catalysed by KF/Al2O3
    1986, Vol. 51, Issue 10, pp. 2199–2206 [Abstract]
  • Michal Uher, Ján Leško and Ivan Tóth
    1986, Vol. 51, Issue 8, pp. 1678–1684 [Abstract]
  • Pavol Elečko, Štefan Toma, Miroslav Vrúbel and Eva Solčániová
    Reactivity of [m]ferrocenophanones: The aldol condensation
    1986, Vol. 51, Issue 5, pp. 1112–1118 [Abstract]
  • Eva Solčániová, Štefan Toma and Tibor Liptaj
    13C NMR spectra of 1-aryl-ferrocenylethylenes
    1986, Vol. 51, Issue 3, pp. 670–676 [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]
  • Alexander Perjéssy and Štefan Toma
    Substituent effect on wave numbers of C=O valence vibrations in ferrocene derivatives
    1983, Vol. 48, Issue 6, pp. 1635–1646 [Abstract]
  • Štefan Toma and Anton Gáplovský
    Kinetic study of cyclization of 1-acyl-1'-alkenoylferrocenes. The effect of substitution on the donor and acceptor of Michael addition upon activation parameters of the reaction
    1982, Vol. 47, Issue 8, pp. 2246–2257 [Abstract]
  • Štefan Toma, Anton Gáplovský and Jozef Federič
    Kinetic investigation of cyclization of 1-acetyl-1'-(X-cinnamoyl)ferrocenes
    1982, Vol. 47, Issue 7, pp. 1997–2003 [Abstract]
  • Štefan Toma and Anton Gáplovský
    The study of the acid catalysed Michael addition to ferrocene derivatives of α,β-unsaturated ketones. Kinetics of cyclization of 1-acetyl-1'-(p-chlorocinnamoyl)ferrocene
    1982, Vol. 47, Issue 7, pp. 1988–1996 [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]
  • 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]
  • 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]
  • Štefan Toma, Jozef Federič and Eva Solčániová
    Synthesis and acetylation of metallocene analogues of chalcones. The double bond acetylation of α,β-unsaturated ketones
    1981, Vol. 46, Issue 10, pp. 2531–2539 [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]
  • Marta Sališová, Štefan Toma and Eva Solčániová
    2-Benzylidene[3]ferrocenophane-1,3-diones and their spectral properties
    1980, Vol. 45, Issue 4, pp. 1290–1298 [Abstract]
  • Jan Pospíšek, Štefan Toma, Ivo Frič and Karel Bláha
    The optically active 3-ferrocenylalanine and its application in peptide chemistry
    1980, Vol. 45, Issue 2, pp. 435–441 [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]
  • Pavol Zahradník, Štefan Toma and Marcela Paričiová
    Ultra-violet spectra and stability of some 2-arylazo- and 2-acyl-6-hydroxyfulvenes
    1978, Vol. 43, Issue 4, pp. 938–945 [Abstract]
  • Štefan Toma, Marcela Paričiová, Eva Solčániová and Karol Leško
    Condensation reactions of some homoannular diacylferrocenes
    1978, Vol. 43, Issue 1, pp. 295–303 [Abstract]