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Juraj Koudelka

Czechoslovak Academy of Sciences

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Featured researches published by Juraj Koudelka.

Journal of The Chemical Society, Chemical Communications | 1992

Rearrangement of 1,3-bis(azacrown)-2-chloropropanes: the effect of alkali metal ion on neighbouring group participation

Martin Bělohradský; Petr Holý; Juraj Koudelka; Viktor Krchňák; Jiří Závada

A pronounced effect of alkali metal ion on rate and product distribution has been found in the reaction of the twelve-, fifteen- and eighteen-membered 1,3-bis(azacrown)-2-chloropropanes 1a–c with benzyl oxide–benzyl alcohol base–solvent system.

Journal of The Chemical Society, Chemical Communications | 1990

A new type of functionalized cryptand-like ionophore. Synthesis, structure and complexation

Ivan Stibor; Petr Holý; Jiří Závada; Juraj Koudelka; Jaromir Novák; Jaroslav Zajíček; Martin Bělohradský

New functionalized cryptand-like ionophores are prepared from appropriate diaza-crown ethers and epichlorohydrin, using FAB MS, potentiometry, 13C-NMR spectroscopy, and T1 relaxation times measurements, the conformation and complexation patterns are found to change dramatically with the change in size of the macrocycle.

Collection of Czechoslovak Chemical Communications | 1972

Luminescence properties of dinucleoside phosphates, some oligonucleotides and polynucleotides

V. Kleinwächter; Juraj Koudelka

Collection of Czechoslovak Chemical Communications | 1985

Principle of additivity of dipole moments: Halogen derivatives of adamantane

Otto Exner; Juraj Koudelka

Collection of Czechoslovak Chemical Communications | 1993

1,2-Bis(azacrown)ethanes : effect of bridge substitution and ring size on formation of sandwich complexes with sodium and potassium ions

Martin Bělohradský; Petr Holý; Juraj Koudelka; Jiří Závada

Collection of Czechoslovak Chemical Communications | 1991

Bis(monoazacrown ether)s: Effects of bridge length and ring size on stability and selectivity in alkali ion sandwich complex formation

Petr Holý; Juraj Koudelka; Martin Bělohradský; Ivan Stibor; Jiří Závada

Collection of Czechoslovak Chemical Communications | 1985

Principle of additivity of dipole moments: 1,3- and 1,3,5-derivatives of benzene

Juraj Koudelka; Otto Exner

Collection of Czechoslovak Chemical Communications | 1960

Polarographie der pterine II. Oxyderivate

J. Komenda; L. Kišová; Juraj Koudelka

Collection of Czechoslovak Chemical Communications | 1985

Secondary steric effects in 2,4,6-trialkylated acetophenones and nitrobenzenes: dipole moments and 13C NMR spectra

Juraj Koudelka; David Šaman; Otto Exner

Collection of Czechoslovak Chemical Communications | 1987

Crown and azacrown ethers with pendant adenine group

Petr Holý; Martin Bělohradský; Ivan Stibor; Juraj Koudelka; David Šaman; Jana Hodačová; Antonín Holý; Jiří Závada

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Jiří Závada

Czechoslovak Academy of Sciences

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Ivan Stibor

Czechoslovak Academy of Sciences

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Martin Bělohradský

Academy of Sciences of the Czech Republic

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Petr Holý

Czechoslovak Academy of Sciences

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David Šaman

Academy of Sciences of the Czech Republic

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Otto Exner

Academy of Sciences of the Czech Republic

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Jana Hodačová

Academy of Sciences of the Czech Republic

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Jaroslav Zajíček

Czechoslovak Academy of Sciences

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Antonín Holý

Academy of Sciences of the Czech Republic

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Soňa Vašíčková

Academy of Sciences of the Czech Republic

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