Collect. Czech. Chem. Commun.
1996, 61, 1805-1814
https://doi.org/10.1135/cccc19961805
On the Stereoselectivity of the (-)-Dimenthyl Malonate Addition to α,β-Unsaturated Ketones
Ľubomír Šeboa, Juraj Alföldib, Grety Rihsc and Štefan Tomaa
a Department of Organic Chemistry, Comenius University, 842 15 Bratislava, Slovak Republic
b Institute of Chemistry, Slovak Academy of Sciences, 842 15 Bratislava, Slovak Republic
c CIBA-GEIGY Co., CH-4002 Basel, Switzerland
Individual author index pages
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A Linear Synthesis of 1-(β-D-Glucopyranosyl)brassinin, -brassenin A, -brassenin B and 9-(β-D-Glucopyranosyl)cyclobrassinin
2004, Vol. 69, Issue 4, pp. 850–866 [Abstract] - 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] - Ladislav Janovec, Gejza Suchár, Ján Imrich, Pavol Kristian*, Vlasta Sasinková, Juraj Alföldi and Erik Sedlák
9-Isothiocyanatoanthracene as a Versatile Starting Compound in the Chemistry of Anthracen-9-yl Derivatives
2002, Vol. 67, Issue 5, pp. 665–678 [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] - Ondrej Šimo, Alfonz Rybár and Juraj Alföldi
Synthesis of 4-Alkyl- or 4-Phenyl-7-methyl-1,2-dihydro-7H-imidazo[1,2,3-cd]purine-6,8-diones
1998, Vol. 63, Issue 3, pp. 407–415 [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] - Dušan Hesek, Alfonz Rybár, Juraj Alföldi, Juraj Bella and Vladimír Pätoprstý
Synthesis of New [1,3]Diazaheterocyclo[2',1':2,3][1,3,5]thiadiazino[4,5-f]purine Ring Systems
1996, Vol. 61, Issue 11, pp. 1642–1646 [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] - 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] - Alžbeta Krutošíková, Miloslava Dandárová and Juraj Alföldi
Synthesis and Reactions of Furo[3,2-b]pyrrole Type Aldehydes
1993, Vol. 58, Issue 9, pp. 2139–2149 [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] - Alžbeta Krutošíková, Miloslava Dandárová and Juraj Alföldi
5-Aryl-2-furancarbaldehyde Hydrazones and Related Compounds
1993, Vol. 58, Issue 8, pp. 1905–1913 [Abstract] - Alfonz Rybár, Peter Turčáni and Juraj Alföldi
1-(Oxoalkyl)-3,7,8-trialkyl-3,7-dihydro-1H-purine-2,6-diones
1993, Vol. 58, Issue 5, pp. 1169–1179 [Abstract] - Monika Puciová and Štefan Toma
Synthesis of Oximes in the Microwave Oven
1992, Vol. 57, Issue 11, pp. 2407–2412 [Abstract] - Katarína Špirková, Pavel Bobáľ, Miloslava Dandárová and Juraj Alföldi
Preparation and Properties of Chalcones of the Furan Series
1992, Vol. 57, Issue 10, pp. 2157–2165 [Abstract] - Alena Bozóová, Alfonz Rybár, Juraj Alföldi and Gabriela Bašnáková
3-Alkyl-6-methyl-5,7-dioxo-4,5,6,7-tetrahydro-1,2,3-triazolo[4,5-d]pyrimidines and Their Alkylations
1992, Vol. 57, Issue 6, pp. 1314–1325 [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] - Alfonz Rybár, Dušan Hesek, Fridrich Szemes, Juraj Alföldi and Marian Tegza
3,7-Dialkyl-8-alkyl- or -aryl-3,7-dihydropurine-2,6-diones
1990, Vol. 55, Issue 9, pp. 2257–2269 [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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - Juraj Alföldi, Vojtech Bílik and Ladislav Petruš
13C-NMR spectra of aldoses in molybdate complexes
1980, Vol. 45, Issue 1, pp. 123–126 [Abstract] - Juraj Alföldi, Ladislav Petruš and Vojtech Bílik
1H-NMR spectra of aldoses in molybdate complexes
1978, Vol. 43, Issue 6, pp. 1476–1480 [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]