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1

Scope and limitation of the inductive effect : importance of charged substituents

Otto Exner, Stanislav Böhm

Journal:

Journal of Physical Organic Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 97 KB

english, 2004

2

Inductive Effects in Isolated Molecules: 4-Substituted Bicyclo[2.2.2]octane-1-carboxylic Acids

Otto Exner, Stanislav Böhm

Journal:

Chemistry - A European Journal

Année:

2002

Langue:

english

Fichier:

PDF, 113 KB

english, 2002

3

13C and 1H nuclear magnetic resonance of methyl-substituted acetophenones and methyl benzoates: steric hindrance and inhibited conjugation

Miloš Buděšínský, Jiří Kulhánek, Stanislav Böhm, Petr Cigler, Otto Exner

Journal:

Magnetic Resonance in Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 151 KB

english, 2004

4

Equilibrium structures of isolated (halogenated) fluorolithiomethanes

Jaroslav Kvı́čala, Jan Štambaský, Stanislav Böhm, Oldřich Paleta

Journal:

Journal of Fluorine Chemistry

Année:

2002

Langue:

english

Fichier:

PDF, 148 KB

english, 2002

5

Calculations of 19F NMR shieldings in polyfluoro-1-lithioethenes: Role of geometry, solvation and comparison with experimental shifts

Jaroslav Kvı́čala, Jiřı́ Czernek, Stanislav Böhm, Oldřich Paleta

Journal:

Journal of Fluorine Chemistry

Année:

2002

Langue:

english

Fichier:

PDF, 262 KB

english, 2002

6

Radical addition reactions of fluorinated species Part 6. Regioselectivity of the addition of nucleophilic radicals to halogenopropenes and evidence for a steric effect of the chlorine substituent

Oldřich Paleta, Vladimír Církva, Zuzana Budková, Stanislav Böhm

Journal:

Journal of Fluorine Chemistry

Année:

1997

Langue:

english

Fichier:

PDF, 1.47 MB

english, 1997

7

Radical addition reactions of fluorinated species. Part 8. Regioselectivity of radical additions to perfluoroalkylethylenes and quantum chemical calculations. Highly selective two-step synthesis of 4-(perfluoroalkyl)butane-1,2-diols

Vladimı́r Cı́rkva, Stanislav Böhm, Oldřich Paleta

Journal:

Journal of Fluorine Chemistry

Année:

2000

Langue:

english

Fichier:

PDF, 227 KB

english, 2000

8

Novel rearrangement of secondary alkoxyalkyl radicals during addition to a double bond. Steric shielding in the formation of tertiary alkoxyethyl radicals

Oldřich Paleta, Jan Hajduch, Stanislav Bőhm

Journal:

Tetrahedron Letters

Année:

2002

Langue:

english

Fichier:

PDF, 304 KB

english, 2002

9

Heterocyclization of (Acridin-9-yl)thiosemicarbazides with Dimethyl Acetylenedicarboxylate

Tomaščiková, Jana, Imrich, Ján, Danihel, Ivan, Böhm, Stanislav, Kristian, Pavol

Journal:

Collection of Czechoslovak Chemical Communications

Année:

2007

Langue:

english

Fichier:

PDF, 144 KB

english, 2007

10

Complexation of the calcium cation with antamanide: an experimental and theoretical study

Makrlík, Emanuel, Böhm, Stanislav, Vaňura, Petr, Ruzza, Paolo

Journal:

Molecular Physics

Année:

2015

Langue:

english

Fichier:

PDF, 435 KB

english, 2015

11

Methanediol decomposition mechanisms: A study considering various ab initio approaches

Stanislav Böhm, Diana Antipova, Josef Kuthan

Journal:

International Journal of Quantum Chemistry

Année:

1996

Langue:

english

Fichier:

PDF, 572 KB

english, 1996

12

Study of methanetriol decomposition mechanisms

Stanislav Böhm, Diana Antipova, Josef Kuthan

Journal:

International Journal of Quantum Chemistry

Année:

1996

Langue:

english

Fichier:

PDF, 478 KB

english, 1996

13

A study of methanetetraol dehydration to carbonic acid

Stanislav Böhm, Diana Antipova, Josef Kuthan

Journal:

International Journal of Quantum Chemistry

Année:

1997

Langue:

english

Fichier:

PDF, 176 KB

english, 1997

14

Steric Inhibition of Resonance: A Revision and Quantitative Estimation on the Basis of Aromatic Carboxylic Acids

Stanislav Böhm, Otto Exner

Journal:

Chemistry - A European Journal

Année:

2000

Langue:

english

Fichier:

PDF, 310 KB

english, 2000

15

Formation and temperature stability of G-quadruplex structures studied by electronic and vibrational circular dichroism spectroscopy combined with ab initio calculations

Jakub Nový, Stanislav Böhm, Jarmila Králová, Vladimír Král, Marie Urbanová

Journal:

Année:

2008

Langue:

english

Fichier:

PDF, 322 KB

english, 2008

16

Electrostatic Calculation of the Substituent Effect: An Efficient Test on Isolated Molecules

Otto Exner, Stanislav Böhm

Journal:

Chemistry - A European Journal

Année:

2003

Langue:

english

Fichier:

PDF, 114 KB

english, 2003

17

ChemInform Abstract: Novel Rearrangement of Secondary Alkoxyalkyl Radicals During Addition to a Double Bond. Steric Shielding in the Formation of Tertiary Alkoxyethyl Radicals.

Oldrich Paleta, Jan Hajduch, Stanislav Bohm

Journal:

Année:

2002

Fichier:

PDF, 29 KB

2002

18

Acidities of Nitrous and Nitric Acids

Otto Exner, Stanislav Böhm

Journal:

European Journal of Inorganic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 71 KB

english, 2005

19

Steric Effects in Isolated Molecules: Gas-Phase Basicity of Methyl-Substituted Acetophenones

Stanislav Böhm, Jean-François Gal, Pierre-Charles Maria, Jiří Kulhánek, Otto Exner

Journal:

European Journal of Organic Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 136 KB

english, 2005

20

Substituent Effects of the Alkyl Groups: Polarity vs. Polarizability

Otto Exner, Stanislav Böhm

Journal:

European Journal of Organic Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 123 KB

english, 2007

21

The Bromodiazirinyl Anion: A Weakly Bound Complex of Diazirinylidene and a Bromide Ion

Tomáš Martinů, Stanislav Böhm, Eva Hanzlová

Journal:

European Journal of Organic Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 405 KB

english, 2011

22

Enthalpies of formation of monoderivatives of hydrocarbons: Interaction of polar groups with an alkyl group

Otto Exner, Stanislav Böhm

Journal:

Journal of Computational Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 108 KB

english, 2004

23

Are calculated enthalpies of formation sometimes more reliable than experimental? A test on alkyl substituted benzoic acids

Stanislav Böhm, Otto Exner

Journal:

Journal of Computational Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 228 KB

english, 2006

24

Inductive effects in radicals calculated from DFT energies; substituted bicyclo[2.2.2]octan-1-yloxy radicals

Stanislav Böhm, Otto Exner

Journal:

Journal of Computational Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 224 KB

english, 2007

25

Interaction of two functional groups through the benzene ring: Theory and experiment

Stanislav Böhm, Otto Exner

Journal:

Journal of Computational Chemistry

Année:

2009

Langue:

english

Fichier:

PDF, 101 KB

english, 2009

26

Configuration and E/Z interconversion mechanism of O(S)-allyl-S(O)-methyl-N-(acridin-9-yl) iminothiocarbonate

Karel D. Klika, Ján Imrich, Ivan Danihel, Stanislav Böhm, Pavol Kristian, Slávka Hamul'aková, Kalevi Pihlaja, Andreas Koch, Erich Kleinpeter

Journal:

Magnetic Resonance in Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 341 KB

english, 2005

27

Molecular and solid-state structure of methyl [2-(acridin-9-ylimino)-3-(tert-butylamino)-4-oxothiazolidin-5-ylidene]acetate

Jana Tomaščiková, Ivan Danihel, Stanislav Böhm, Ján Imrich, Pavol Kristian, Ivan Potočňák, Jan Čejka, Karel D. Klika

Journal:

Journal of Molecular Structure

Année:

2008

Langue:

english

Fichier:

PDF, 393 KB

english, 2008

28

Spectroscopic, structural and theoretical studies of novel, potentially cytotoxic 4-acridonecarboxamide imines

Zdenka Fröhlichová, Ján Imrich, Ivan Danihel, Pavol Kristian, Stanislav Böhm, Danica Sabolová, Mária Kožurková, Ol’ga Hritzová, Branislav Horváth, Tatiana Bušová, Karel D. Klika

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Année:

2009

Langue:

english

Fichier:

PDF, 849 KB

english, 2009

29

Interaction of two groups in a molecule through a double bond: concept of the π-inductive effect

Stanislav Böhm, Otto Exner

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

2004

Langue:

english

Fichier:

PDF, 160 KB

english, 2004

30

Quantitative evaluation of resonance interaction: monosubstituted 1,3-butadienes

Stanislav Böhm, Otto Exner

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

2005

Langue:

english

Fichier:

PDF, 153 KB

english, 2005

31

Dipole moments and electron distribution of conjugated molecules; para derivatives of benzene

Stanislav Böhm, Otto Exner

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

2007

Langue:

english

Fichier:

PDF, 192 KB

english, 2007

32

Computational study to assign structure, tautomerism, E/Z and s-cis/s-trans isomerism, π-delocalization, partial aromaticity, and the ring size of 1,3-thiazolidin-4-ones and 1,3-thiazin-4-ones formed from thiosemicarbazides

Stanislav Böhm, Jana Tomaščiková, Ján Imrich, Ivan Danihel, Pavol Kristian, Andreas Koch, Erich Kleinpeter, Karel D. Klika

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

2009

Langue:

english

Fichier:

PDF, 1021 KB

english, 2009

33

Inductive effect of uncharged groups: dependence on electronegativity

Otto Exner, Stanislav Böhm

Journal:

Journal of Physical Organic Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 143 KB

english, 2006

34

Revision of the dual substituent parameter treatment using the DFT-calculated reaction energies

Otto Exner, Stanislav Böhm

Journal:

Journal of Physical Organic Chemistry

Année:

2007

Langue:

english

Fichier:

PDF, 269 KB

english, 2007

35

Steric inhibition of resonance: revision of the principle on the electronic spectra of methyl-substituted acetophenones

Jirií Kulhánek, Stanislav Böhm, Karel Palát Jr, Otto Exner

Journal:

Journal of Physical Organic Chemistry

Année:

2004

Langue:

english

Fichier:

PDF, 120 KB

english, 2004

36

Conjugation of two functional groups through an unsaturated system

Otto Exner, Stanislav Böhm

Journal:

Journal of Physical Organic Chemistry

Année:

2006

Langue:

english

Fichier:

PDF, 141 KB

english, 2006

37

An ab initioLCAO-MO study of the substituent effect in benzenoid systems: Meta- and para-substituted benzoic acids

Stanislav Böhm, Josef Kuthan

Journal:

International Journal of Quantum Chemistry

Année:

1984

Langue:

english

Fichier:

PDF, 531 KB

english, 1984

38

A quantum chemical investigation of pyrolysis reactions of glyoxylic acid ethylester

Stanislav Bøhm, P. N. Skancke

Journal:

International Journal of Quantum Chemistry

Année:

1991

Langue:

english

Fichier:

PDF, 479 KB

english, 1991

39

Diastereoisomeric Imidazo[1,2-a]pyridines

Richard Kubík, Jan Němeček, Stanislav Böhm, Martin Hradilek, Josef Kuthan

Journal:

Mendeleev Communications

Année:

1995

Langue:

english

Fichier:

PDF, 96 KB

english, 1995

40

Photoisomerization of imidazo[l,2-a]pyridines

Richard Kubík, Stanislav Böhm, Vladimír Havlíček, Josef Kuthan

Journal:

Mendeleev Communications

Année:

1996

Langue:

english

Fichier:

PDF, 82 KB

english, 1996

41

Atropisomeric and atropdiastereoisomeric 2-substituted 1-aryl-3,5-diphenylpyrroles

Radek Pohl, Jan Pawlas, Stanislav Böhm, Richard Hrabal, Hana Dvořáková, Josef Kuthan

Journal:

Mendeleev Communications

Année:

1999

Langue:

english

Fichier:

PDF, 56 KB

english, 1999

42

A theoretical study of the methanediol decomposition mechanism

Stanislav Böhm, Roman Navrátil, Josef Kuthan

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

1991

Langue:

english

Fichier:

PDF, 383 KB

english, 1991

43

A theoretical study of the methanetriol decomposition mechanism

Stanislav Böhm, Imke Senf, Hans-Dieter Schädler, Josef Kuthan

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

1992

Langue:

english

Fichier:

PDF, 569 KB

english, 1992

44

π-Electron densities and resonance effects in benzene monoderivatives

Stanislav Böhm, Otto Exner

Journal:

Journal of Molecular Structure: THEOCHEM

Année:

2002

Langue:

english

Fichier:

PDF, 108 KB

english, 2002

45

Novel Carbohydrazide and Hydrazone Biomarkers Based on 9-Substituted Acridine and Anthracene Fluorogens

Imrich, Ján, Bedlovičová, Zdenka, Kristian, Pavol, Danihel, Ivan, Böhm, Stanislav, Sabolová, Danica, Kožurková, Mária, Paulíková, Helena, D. Klika, Karel

Journal:

Année:

2010

Langue:

english

Fichier:

PDF, 2.30 MB

english, 2010

46

Photocolouration of 2,4,4,6-Tetraaryl-4H-thiopyrans: A Semiempirical Quantum Chemical Study

Kuthan, Josef, Böhm, Stanislav, Šebek, Pavel, Nešpůrek, Stanislav

Journal:

Collection of Czechoslovak Chemical Communications

Année:

1994

Langue:

english

Fichier:

PDF, 105 KB

english, 1994

47

S -Alkylation of Thiacalixarenes: How the Regio- and Stereoselectivities Depend on the Starting Conformation

Kundrat, Ondrej, Dvorakova, Hana, Böhm, Stanislav, Eigner, Vaclav, Lhotak, Pavel

Journal:

Journal of Organic Chemistry

Année:

2012

Langue:

english

Fichier:

PDF, 1.68 MB

english, 2012

48

Acidity of hydroxamic acids and amides

Böhm, Stanislav, Exner, Otto

Journal:

Organic & Biomolecular Chemistry

Année:

2003

Langue:

english

Fichier:

PDF, 110 KB

english, 2003

49

Synthesis, Structure, and Cholinergic Effect of Novel Neuroprotective Compounds Bearing the Tacrine Pharmacophore

Kristian, Pavol, Hamul'aková, Slávka, Jun, Daniel, Kuca, Kamil, Imrich, Ján, Danihel, Ivan, Böhm, Stanislav, D. Klika, Karel

Journal:

Année:

2008

Langue:

english

Fichier:

PDF, 355 KB

english, 2008

50

Selective Formation of 5- or 6-Membered Rings, 1,3-Thiazolidin-4-one vs. 1,3-Thiazin-4-one, from Acridine Thiosemicarbazides by the Use of Ethyne Acid Esters

Imrich, Ján, Tomaščiková, Jana, Danihel, Ivan, Kristian, Pavol, Böhm, Stanislav, D. Klika, Karel

Journal:

Année:

2010

Langue:

english

Fichier:

PDF, 1.09 MB

english, 2010