Collect. Czech. Chem. Commun.
1963, 28, 1334-1338
https://doi.org/10.1135/cccc19631334
Study of aurones. III. Attempt for theoretical explanation of formation of benzofuran derivative from aurone
R. Zahradník and A. Vystrčil
Individual author index pages
Other CCCC articles of these authors
- F. Tureček and A. Vystrčil
The synthesis of (3-2H)tricyclo[6,2,2,O2,7]-3,9-dodecadiene
1977, Vol. 42, Issue 8, pp. 2408–2414 [Abstract] - V. Pouzar and A. Vystrčil
Preparation of derivatives of 29-hydroxy-30-norlupan-20-one
1977, Vol. 42, Issue 7, pp. 2224–2230 [Abstract] - J. Pancíř and R. Zahradník
Theoretical study of physical properties of activated complexes and metastable intermediates
1977, Vol. 42, Issue 7, pp. 2054–2059 [Abstract] - J. Protiva, M. Buděšínský and A. Vystrčil
Unusual course of photolysis of 3β-acetoxy-28-nitrosyloxylupane. Synthesis of triterpenic N-oxides and hydroxamic acids
1977, Vol. 42, Issue 4, pp. 1220–1228 [Abstract] - J. Protiva, F. Tureček and A. Vystrčil
Revised structure of thurberine. Synthesis of 3,12-lupanedione
1977, Vol. 42, Issue 1, pp. 140–150 [Abstract] - Z. Slanina, P. Berák and R. Zahradník
Applicability of semiempirical methods in calculations of equilibrium constants of gas-phase chemical reactions
1977, Vol. 42, Issue 1, pp. 1–15 [Abstract] - V. Pouzar and A. Vystrčil
Reduction and steric interaction of 12-lupanone derivatives
1976, Vol. 41, Issue 11, pp. 3452–3466 [Abstract] - S. Beran and R. Zahradník
MO study of the reactivity of cyclopropane, its radical and radical ions, and models of its transition metal complexes
1976, Vol. 41, Issue 8, pp. 2303–2319 [Abstract] - J. Protiva, V. Pouzar and A. Vystrčil
Mass spectra of 12-oxolupane derivatives
1976, Vol. 41, Issue 8, pp. 2225–2237 [Abstract] - Z. Slanina, J. Schlanger and R. Zahradník
CNDO/2 study of the difluoroamino radical dimerization
1976, Vol. 41, Issue 7, pp. 1864–1874 [Abstract] - P. Hobza, R. Stružinský, N. Duc Thang and R. Zahradník
Empirical calculations on interaction energies of clusters of molecules: The correlation with heats of vapourization
1976, Vol. 41, Issue 6, pp. 1727–1739 [Abstract] - J. Vokoun, E. Klinotová and A. Vystrčil
Mass spectrometric fragmentation of triterpenoid derivatives with oxabicyclooctane and oxabicycloheptane ring E arrangement
1976, Vol. 41, Issue 5, pp. 1590–1597 [Abstract] - F. Tureček and A. Vystrčil
The syntheses of 7-alkyl derivatives of bicyclo[4,3,0]-3-nonenes
1976, Vol. 41, Issue 5, pp. 1581–1589 [Abstract] - F. Tureček and A. Vystrčil
The syntheses of 8-alkyl derivatives of bicyclo[4,3,0]-3-nonenes
1976, Vol. 41, Issue 5, pp. 1571–1580 [Abstract] - A. Mistr, J. Prachař, B. Šimák and R. Zahradník
Derivatives of phthalones as sensitizers in light-sensitive polymers
1976, Vol. 41, Issue 5, pp. 1363–1371 [Abstract] - J. Protiva and A. Vystrčil
Reaction of amides of 28-lupanoic acid with lead tetraacetate and iodine mass spectra of 12-lupene derivatives
1976, Vol. 41, Issue 4, pp. 1200–1207 [Abstract] - P. Hobza and R. Zahradník
Estimates of geometry of molecular complexes based on analysis of intermolecular forces
1976, Vol. 41, Issue 4, pp. 1111–1120 [Abstract] - M. R. Nair, S. Hilgard, J. Klinot, K. Waisser and A. Vystrčil
Oxidation rates of triterpenoid secondary alcohols with chromic acid
1976, Vol. 41, Issue 3, pp. 770–779 [Abstract] - E. Klinotová, J. Beneš, J. Vokoun and A. Vystrčil
Oxidation of 21-oxo-20β,28-epoxy-18α,19βH-ursane derivatives; Unusual reactivity of oxabicyclo[2,2,1]heptane system in ring E
1976, Vol. 41, Issue 1, pp. 271–284 [Abstract] - J. Klinot, M. Hořejší, M. Buděšínský and A. Vystrčil
Conformation of the ring A in 2,3-disubstituted 24-nortriterpenes and the stereochemistry of the opening of 2β,3β-epoxides
1975, Vol. 40, Issue 12, pp. 3712–3727 [Abstract] - V. Pouzar, J. Protiva, E. Lisá, E. Klinotová and A. Vystrčil
Reaction of 20-lupanol derivatives with lead tetraacetate
1975, Vol. 40, Issue 10, pp. 3046–3054 [Abstract] - E. Klinotová, J. Beneš and A. Vystrčil
Oxidative cleavage of 22-hydroxymethylene-21-ketones of the 20,28β-epoxy-18α,19βΗ-ursane series
1975, Vol. 40, Issue 9, pp. 2861–2868 [Abstract] - J. Klinot, V. Richtr and A. Vystrčil
Conformation of ring A of 2,3-disubstituted triterpenes with chlorine or alkoxy group in the position 2
1975, Vol. 40, Issue 6, pp. 1758–1767 [Abstract] - I. Matoušek, A. Fojtík and R. Zahradník
A semiempirical molecular orbital study of radicals and radical ions derived from carbon oxides
1975, Vol. 40, Issue 6, pp. 1679–1685 [Abstract] - A. Vystrčil, V. Křeček and M. Buděšínský
Photooxidation of (20R)- and (20S)-29-lupanol derivatives
1975, Vol. 40, Issue 5, pp. 1593–1603 [Abstract] - J. Klinot, M. Buděšínský, M. Kliment, S. Hilgard and A. Vystrčil
Conformation of ring A of 1,2-disubstituted triterpenes. Geometry and stability of the boat form
1975, Vol. 40, Issue 5, pp. 1426–1440 [Abstract] - P. Hobza and R. Zahradník
Semiempirical variation calculations on the interaction energy of two identical nonpolar systems
1975, Vol. 40, Issue 3, pp. 809–814 [Abstract] - R. Zahradník, P. Hobza and Z. Slanina
Calculations of Henry constants and partition coefficients
1975, Vol. 40, Issue 3, pp. 799–808 [Abstract] - K. Waisser, J. Urban and A. Vystrčil
Synthesis of anagadiol
1975, Vol. 40, Issue 2, pp. 452–456 [Abstract] - J. Klinot, M. Buděšínský, S. Hilgard and A. Vystrčil
The effect of 8β-methyl group on the conformation of the ring of a 2,3-disubstituted triterpenes
1974, Vol. 39, Issue 12, pp. 3741–3755 [Abstract] - J. Klinot, M. Kliment and A. Vystrčil
Preparation and stereochemistry of 1,2- and 2,3-bromohydrins, bromo ketones, epoxides and diols of triterpenes
1974, Vol. 39, Issue 11, pp. 3357–3373 [Abstract] - A. Vystrčil and V. Pouzar
Functionalization of the lupane skeleton through Barton's reaction
1974, Vol. 39, Issue 11, pp. 3304–3316 [Abstract] - S. Hilgard, M. Horák and A. Vystrčil
Formation and stabilization energy of very weak collision complexes of alcohols and carboxylic acid monomers with non-polar solvents
1974, Vol. 39, Issue 11, pp. 3215–3223 [Abstract] - A. Vystrčil, V. Křeček and M. Buděšínský
Elimination reaction of the angular hydroxymethyl group of the lupane skeleton
1974, Vol. 39, Issue 11, pp. 3131–3143 [Abstract] - A. Vystrčil and V. Pouzar
Functionalisation of the lupane skeleton using Barton's reaction
1974, Vol. 39, Issue 10, pp. 2961–2974 [Abstract] - P. Hobza and R. Zahradník
Perturbation treatment of the interactions between nonpolar molecule-nonpolar molecule and polar molecule-polar molecule
1974, Vol. 39, Issue 10, pp. 2866–2876 [Abstract] - P. Hobza and R. Zahradník
Weak intermolecular interactions: Introductory remarks and methods used
1974, Vol. 39, Issue 10, pp. 2857–2865 [Abstract] - A. Vystrčil, V. Křeček and M. Buděšínský
Elimination reactions on angular hydroxymethyl group of the lupane skeleton
1974, Vol. 39, Issue 9, pp. 2494–2506 [Abstract] - J. Kuhn, P. Čársky and R. Zahradník
Semiempirical MO calculations on the electronic spectra of conjugated hydrocarbon radicals having degenerate ground states
1974, Vol. 39, Issue 8, pp. 2175–2199 [Abstract] - A. Vystrčil and J. Protiva
Photo-oxidation of 28-lupanol and its derivatives
1974, Vol. 39, Issue 5, pp. 1382–1390 [Abstract] - Z. Slanina and R. Zahradník
A test of the applicability of the simple statistical-thermodynamic approach to equilibrium constants of gas-phase reactions
1974, Vol. 39, Issue 3, pp. 729–735 [Abstract] - Z. Slanina, P. Hobza and R. Zahradník
Dimerization of homonuclear biatomic molecules
1974, Vol. 39, Issue 1, pp. 228–235 [Abstract] - R. Zahradník, Z. Slanina and P. Čársky
Dimerization of small radicals
1974, Vol. 39, Issue 1, pp. 63–70 [Abstract] - R. Zahradník and I. Matoušek
Electronic structure of H2B2O3 and H2B2S3, boron-containing systems
1974, Vol. 39, Issue 1, pp. 57–62 [Abstract] - A. Vystrčil, V. Pouzar and V. Křeček
Triterpenes. XXXII. Absolute configuration at C(20) in 29-substituted lupane derivatives
1973, Vol. 38, Issue 12, pp. 3902–3911 [Abstract] - A. Vystrčil and Z. Blecha
Triterpenes. XXXI. Absolute configuration at C(20) in 30-nor-20ξ-lupanol derivatives
1973, Vol. 38, Issue 12, pp. 3648–3661 [Abstract] - K. Waisser, S. Hilgard, A. Zelenka and A. Vystrčil
Triterpenes. XXX. Study for the synthesis of glochidiol
1973, Vol. 38, Issue 11, pp. 3521–3531 [Abstract] - P. Čársky, M. Macháček and R. Zahradník
Open shell CNDO treatments on small inorganic radicals
1973, Vol. 38, Issue 10, pp. 3067–3073 [Abstract] - J. Pancíř, I. Matoušek and R. Zahradník
A critical reexamination of semiempirical parameters used in π-electronic methods of the PPP-type
1973, Vol. 38, Issue 10, pp. 3039–3066 [Abstract] - J. Klinot, E. Úlehlová, R. Straka and A. Vystrčil
Triterpenes. XXIX. 3,4-Seco acids of 18α-oleanane series with modified side chain at C(5)
1973, Vol. 38, Issue 9, pp. 2648–2657 [Abstract] - R. Zahradník, P. Čársky and Z. Slanina
Conjugated radicals. XVIII. Photoelectron spectroscopy as a source of electronic spectral data for radical cations
1973, Vol. 38, Issue 7, pp. 1886–1898 [Abstract] - R. Zahradník and P. Čársky
CNDO treatments on electronic spectra of small molecules
1973, Vol. 38, Issue 7, pp. 1876–1885 [Abstract] - A. Mistr and R. Zahradník
Organic light-sensitive compounds. IV. Mechanism of sensitization of light-sensitive polymers by pyrylium salts
1973, Vol. 38, Issue 6, pp. 1668–1673 [Abstract] - I. Nykl, V. Rejholec, P. Hobza, P. Čársky, R. Zahradník and K. Hafner
Conjugated radicals. XVII. Electronic spectra of radical ions derived from pentaleno[6,6a,1,2-def]heptalene and 2-phenylcyclopent[cd]azulene and semiempirical open shell PPP-like calculations
1973, Vol. 38, Issue 5, pp. 1463–1465 [Abstract] - I. Nykl, A. Fojtík, P. Hobza, P. Čársky, R. Zahradník and T. Shida
Electronic spectra of azulene mononegative and monopositive ions and semiempirical open shell PPP-like calculations
1973, Vol. 38, Issue 5, pp. 1459–1462 [Abstract] - E. Klinotová, N. Hovorková, J. Klinot and A. Vystrčil
Triterpenes. XXVIII. Stereochemistry of dehydration of isomeric 20-hydroxy-30-norderivatives of lupane
1973, Vol. 38, Issue 4, pp. 1179–1189 [Abstract] - M. Horák and A. Vystrčil
The low-temperature infrared spectrum of the s-trans form of benzalacetone
1973, Vol. 38, Issue 4, pp. 1156–1158 [Abstract] - R. Zahradník, A. J. Banister and H. G. Clarke
Electronic spectrum of the pentathiazyl cation
1973, Vol. 38, Issue 4, pp. 998–1002 [Abstract] - P. Hobza, P. Čársky and R. Zahradník
Conjugated radicals. XVI. Electronic spectra of ortho-semiquinones and remark on the applicability of the LCI-CNDO method to quinones and semiquinones
1973, Vol. 38, Issue 3, pp. 641–644 [Abstract] - F. Kvis, E. Svátek, R. Zahradník and M. Protiva
Benzocycloheptenes and heterocyclic analogues as potential drugs. VII. 4-Phenyl-2,3,4,5-tetrahydro-1-benzothiepins and some related compounds
1972, Vol. 37, Issue 11, pp. 3808–3816 [Abstract] - K. Waisser, M. Buděšínský, A. Vítek and A. Vystrčil
Triterpenes. XXVII. Conformational analysis of the A-cycle of 1,3-dihydroxy derivatives of pentacyclic triterpenoids
1972, Vol. 37, Issue 11, pp. 3652–3659 [Abstract] - P. Čársky, A. Fojtík and R. Zahradník
Conjugated radicals. XV. Correlation of pKa values of protonated substituted nitrobenzene radical anions with extended Hückel MO data
1972, Vol. 37, Issue 8, pp. 2515–2520 [Abstract] - R. Zahradník, V. Rejholec, P. Hobza, P. Čársky and K. Hafner
Conjugated radicals. XIV. Electronic spectra and semiempirical calculations on radical anions of acenaphthylene, fluoranthene and aceheptylene
1972, Vol. 37, Issue 6, pp. 1983–1989 [Abstract] - V. Rejholec, J. Pancíř, P. Čársky and R. Zahradník
Electronic spectra and semiempirical calculations on dinegative ions of acenaphthylene, fluoranthene and aceheptylene
1972, Vol. 37, Issue 6, pp. 1978–1982 [Abstract] - E. Klinotová and A. Vystrčil
Triterpenes. XXVI. Participation of oxygen-containing groups in position 28 in the addition of bromine to the double bond of 20(21)-taraxastene derivatives
1972, Vol. 37, Issue 6, pp. 1883–1893 [Abstract] - R. Zahradník, P. Rosmus, P. Jírů, H. Kölbel and D. Tillmetz
EHT-Modellberechnungen der Wechselwirkung von Stickstoff mit Übergangsmetallen
1972, Vol. 37, Issue 6, pp. 1773–1780 [Abstract] - E. Klinotová, I. Škarková and A. Vystrčil
Triterpenes. XXV. Isomerisation of 20α,21α-epoxy-28-benzoyloxy derivatives of taraxastane
1972, Vol. 37, Issue 5, pp. 1748–1754 [Abstract] - A. Mistr, M. Vávra, J. Skoupý and R. Zahradník
Organic light-sensitive compounds. III. Pyrylium salt sensitizers in light-sensitive polymers
1972, Vol. 37, Issue 5, pp. 1520–1532 [Abstract] - J. Klinot, M. Buděšínský and A. Vystrčil
Triterpenes. XXIV. Migration of the side chain during the acid catalysed isomerisation of unsaturated 3,4-seco derivatives
1972, Vol. 37, Issue 4, pp. 1356–1370 [Abstract] - M. Tichý, R. Zahradník, J. A. Völlmin and W. Simon
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XXI. Acid-base equilibria of polynuclear phenols and amines
1972, Vol. 37, Issue 3, pp. 962–969 [Abstract] - A. Vystrčil and Z. Blecha
Triterpenes. XXIII. Dehydrogenation of derivatives of 20(29)-lupene with mercuric acetate III. Dehydrobetulinic acid
1972, Vol. 37, Issue 2, pp. 624–636 [Abstract] - A. Vystrčil and Z. Blecha
Triterpenes. XXII. Dehydrogenation of derivatives of 20(29)-lupene with mercuric acetate II. Degradation of the side chain
1972, Vol. 37, Issue 2, pp. 610–623 [Abstract] - J. Klinot, V. Šumanová and A. Vystrčil
Triterpenes. XXI. 3,4-Seco derivatives of betulinic acid
1972, Vol. 37, Issue 2, pp. 603–609 [Abstract] - P. Čársky and R. Zahradník
Conjugated radicals. XIII. Ground state properties: Ionization potentials, heats of atomization and spin densities
1972, Vol. 37, Issue 2, pp. 541–549 [Abstract] - R. Zahradník, I. Tesařová and J. Pancíř
Experimental and theoretical (HMO and LCI-SCF) study of singlet-triplet transitions in conjugated hydrocarbons and their derivatives
1971, Vol. 36, Issue 8, pp. 2867–2880 [Abstract] - P. Čársky, P. Hobza and R. Zahradník
Conjugated radicals. XI. para-Semiquinones
1971, Vol. 36, Issue 3, pp. 1291–1300 [Abstract] - P. Čársky and R. Zahradník
Conjugated radicals. VIII. A comparison of the open shell SCF results obtained by the method of Longuet-Higgins and Pople and by the method of Roothaan
1971, Vol. 36, Issue 2, pp. 961–969 [Abstract] - P. Čársky, O. Chalvet, S. Hünig, D. Scheutzow and R. Zahradník
Conjugated radicals. X. Bisazulenylethylene and related systems
1971, Vol. 36, Issue 2, pp. 560–566 [Abstract] - J. Klinot, K. Waisser, L. Streinz and A. Vystrčil
Triterpenes. XX. The participation of dimethylformamide in the addition of halogens to the Δ2-double bond - A way to the preparation of β-epoxides
1970, Vol. 35, Issue 12, pp. 3610–3617 [Abstract] - A. Vystrčil and Z. Blecha
Triterpenes. XIX. Dehydrogenation of 20(29)-lupene derivatives with mercuric acetate
1970, Vol. 35, Issue 11, pp. 3309–3319 [Abstract] - O. Kyseľ, R. Zahradník, D. Belluš and T. Sticzay
Electronic spectra of the benzophenone derivatives. Protonated and ionized forms
1970, Vol. 35, Issue 11, pp. 3191–3209 [Abstract] - O. Kyseľ and R. Zahradník
Electronic spectra of the benzophenone derivatives; Neutral forms
1970, Vol. 35, Issue 10, pp. 3030–3044 [Abstract] - O. Kyseľ, R. Zahradník and B. Pakula
Substituent effect on the lowest singlet and triplet states in the derivatives of 2-hydroxybenzophenone
1970, Vol. 35, Issue 10, pp. 3020–3029 [Abstract] - J. Klinot, N. Hovorková and A. Vystrčil
Triterpenes. XVIII. Oxidation of the isopropenyl group with peracids
1970, Vol. 35, Issue 4, pp. 1105–1119 [Abstract] - P. Čársky and R. Zahradník
Conjugated radicals. V. Semiempirical calculations on the electronic spectra of perylene, α,ω-diphenylpolyene and polyphenyl anion radical
1970, Vol. 35, Issue 3, pp. 892–898 [Abstract] - A. Vystrčil and M. Buděšínský
Triterpenes. XVII. Preparation of new 19αH-lupane derivatives
1970, Vol. 35, Issue 1, pp. 312–320 [Abstract] - A. Vystrčil and M. Buděšínský
Triterpenes. XVI. Unusual epimerisation of the C(19)-acetyl group of 20-oxo-30-norlupane derivatives
1970, Vol. 35, Issue 1, pp. 295–311 [Abstract] - R. Zahradník and O. Chalvet
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XX. Molecular orbital studies of the chemical reactivity of conjugated systems: Equilibrium and rate processes
1969, Vol. 34, Issue 11, pp. 3402–3420 [Abstract] - I. Němcová, M. Malát and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XIX. Correlations of spectral data and pseudobasicity of the triarylmethane dyes with quantum chemical characteristics
1969, Vol. 34, Issue 10, pp. 2880–2894 [Abstract] - R. Zahradník, J. Pancíř and A. Kröhn
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XIX. A note on the electronic spectra of the fluorenylium cation and its benzo derivatives
1969, Vol. 34, Issue 9, pp. 2831–2832 [Abstract] - R. Zahradník, A. Kröhn, J. Pancíř and J. Šnobl
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XVIII. Electronic spectra of arylmethyl cations
1969, Vol. 34, Issue 9, pp. 2553–2567 [Abstract] - E. Říhová and A. Vystrčil
Triterpenes. XV. A 2nd order Beckmann rearrangement of 20β,28-epoxytaraxastane 21- and 22-oximino derivatives
1969, Vol. 34, Issue 1, pp. 240–246 [Abstract] - P. Hochmann, R. Zahradník and V. Kvasnička
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XVI. peri-Condensed tricyclic systems; Effects of molecular geometry and choice of molecular orbitals on characteristics of electronic spectra calculated by the LCI method
1968, Vol. 33, Issue 11, pp. 3478–3513 [Abstract] - K. Waisser, J. Zelinka and A. Vystrčil
Triterpenes. XIV. The stereochemistry of 1-hydroxytriterpenes
1968, Vol. 33, Issue 8, pp. 2485–2493 [Abstract] - C. Párkányi, Z. Dolejšek and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XV. Kinetics of the dedeuteration of benzenoid hydrocarbons
1968, Vol. 33, Issue 4, pp. 1211–1219 [Abstract] - M. Tichý and R. Zahradník
Tables of quantum chemical data. XIV. Energy characteristics of some hydrocarbons with exocyclic methylene group
1967, Vol. 32, Issue 12, pp. 4485–4491 [Abstract] - J. Klinot, E. Úlehlová and A. Vystrčil
Triterpenes. XIII. Performic acid oxidation of isopropenyl group in 3,4-secotriterpenes
1967, Vol. 32, Issue 8, pp. 2890–2897 [Abstract] - S. Guha and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XII. On the basicity of polynuclear aromatic amines
1967, Vol. 32, Issue 7, pp. 2448–2455 [Abstract] - V. Horák, C. Párkányi, J. Pecka and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. XI. An experimental and theoretical study of arylphenylmethyl cations and some oxygen- and sulfur-containing heterocyclic analogues
1967, Vol. 32, Issue 6, pp. 2272–2287 [Abstract] - J. Klinot, E. Říhová and A. Vystrčil
Triterpenes. XII. Preparation of 18α,19βH-ursan-28,20β-olide (taraxastanolide)
1967, Vol. 32, Issue 3, pp. 1276–1279 [Abstract] - K. Waisser, A. Vystrčil and A. Vítek
Triterpenes. XI. Infra-red absorption of triterpenic 1-hydroxy derivatives
1966, Vol. 31, Issue 12, pp. 4741–4743 [Abstract] - J. Michl and R. Zahradník
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XV. An HMO study of the amino, nitro, and aza derivatives of fluoranthene
1966, Vol. 31, Issue 9, pp. 3478–3485 [Abstract] - J. Michl, K. Boček and R. Zahradník
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XIV. Relative conjugative power of the isomeric fluoranthyls towards the amino and nitro groups. Infrared characteristics
1966, Vol. 31, Issue 9, pp. 3471–3477 [Abstract] - J. Michl, R. Zahradník and W. Simon
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XIII. Relative conjugative power of the isomeric fluoranthyls towards the amino group. Basicity
1966, Vol. 31, Issue 9, pp. 3464–3470 [Abstract] - J. Michl and R. Zahradník
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XII. Chemical reactivity indices of fluoranthene and the benzofluoranthenes
1966, Vol. 31, Issue 9, pp. 3453–3463 [Abstract] - R. Zahradník and J. Michl
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. XI. HMO energy characteristics of fluoranthene-like hydrocarbons
1966, Vol. 31, Issue 9, pp. 3442–3452 [Abstract] - K. Waisser and A. Vystrčil
Triterpenes. X. Preparation of 1-hydroxy-19β,28-epoxy-18αH-olean-2-enes
1966, Vol. 31, Issue 8, pp. 3182–3188 [Abstract] - J. Kinot, M. Krumpolc and A. Vystrčil
Triterpenes. IX. Reaction of isomeric 2,3-epoxides with Grignard reagent
1966, Vol. 31, Issue 8, pp. 3174–3181 [Abstract] - E. Říhová and A. Vystrčil
Triterpenes. VIII. Intramolecular epoxidation in ring E; Hydroxy derivatives of 20β,28- and 21β,28-epoxytaraxastane
1966, Vol. 31, Issue 8, pp. 3163–3173 [Abstract] - J. Michl and R. Zahradník
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. IX. A note on the electronic spectrum of the dibenzo[a,d]tropylium cation
1966, Vol. 31, Issue 6, pp. 2311–2317 [Abstract] - J. Michl and R. Zahradník
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. VIII.
1966, Vol. 31, Issue 5, pp. 2259–2263 [Abstract] - J. Michl and R. Zahradník
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. VI. An HMO study of ions of the cyclopentadienyl series
1966, Vol. 31, Issue 4, pp. 1475–1482 [Abstract] - R. Zahradník, M. Nepraš, J. Arient and J. Koutecký
Imidazole dyes. XVIII. Electronic spectra and reactivity of imidazole dyes
1966, Vol. 31, Issue 3, pp. 1180–1188 [Abstract] - J. Klinot and A. Vystrčil
Triterpenes. VII. Stereochemistry of 2-bromo derivatives of allobetuline and alloheterobetuline
1966, Vol. 31, Issue 3, pp. 1079–1092 [Abstract] - C. Párkányi, V. Horák, J. Pecka and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. X. An experimental and theoretical study of benzoyl derivatives of benzenoid hydrocarbons and some oxygen- and sulfur-containing heterocyclic analogues
1966, Vol. 31, Issue 2, pp. 835–851 [Abstract] - R. Zahradník, J. Michl and J. Kopecký
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. V. Indacene-like hydrocarbons
1966, Vol. 31, Issue 2, pp. 640–648 [Abstract] - C. Párkányi and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. IX. Anodic oxidation of derivatives of benzenoid hydrocarbons
1965, Vol. 30, Issue 12, pp. 4287–4296 [Abstract] - R. Zahradník and J. Michl
Tables of quantum chemical data. VII. Molecular orbitals of indacene-like and some peri-condensed tetracyclic hydrocarbons
1965, Vol. 30, Issue 10, pp. 3550–3560 [Abstract] - R. Zahradník and C. Párkányi
Tables of quantum chemical data. VI. Energy characteristics of some alternant hydrocarbons
1965, Vol. 30, Issue 10, pp. 3536–3549 [Abstract] - R. Zahradník and J. Michl
Tables of quantum chemical data. V. Molecular orbitals of peri-condensed tricyclic hydrocarbons
1965, Vol. 30, Issue 10, pp. 3529–3536 [Abstract] - R. Zahradník, J. Michl and C. Jutz
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. IV. An HMO study of amino derivatives of fulvenes and vinylogous fulvenes
1965, Vol. 30, Issue 10, pp. 3227–3232 [Abstract] - R. Zahradník and J. Michl
Tables of quantum chemical data. IV. Molecular orbitals of hydrocarbons of the pentalene, azulene and heptalene series
1965, Vol. 30, Issue 9, pp. 3173–3188 [Abstract] - R. Zahradník and C. Párkányi
An HMO study of additional sulphur heterocycles derived from non-alternant hydrocarbons
1965, Vol. 30, Issue 9, pp. 3016–3033 [Abstract] - R. Zahradník, J. Michl and J. Pancíř
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. III. Ions of the polyenylcyclopentadienyl type
1965, Vol. 30, Issue 9, pp. 2891–2899 [Abstract] - J. Křepinský, V. Herout, F. Šorm, A. Vystrčil, R. Prokeš and G. Jommi
Plant substances. XXIII. The structure of sarcodontic acid
1965, Vol. 30, Issue 8, pp. 2626–2630 [Abstract] - R. Zahradník and J. Michl
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. II. Odd-numbered polyenes with a five-membered ring at each end
1965, Vol. 30, Issue 4, pp. 1060–1072 [Abstract] - R. Zahradník and J. Michl
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. I. A theoretical treatment of Reid's hydrocarbons
1965, Vol. 30, Issue 2, pp. 520–536 [Abstract] - R. Zahradník and J. Michl
Electronic structure of non-alternant hydrocarbons, their analogues and derivatives. Introductory remarks
1965, Vol. 30, Issue 2, pp. 515–519 [Abstract] - R. Zahradník and C. Párkányi
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. VIII. Quantum chemical reactivity indices of pyridine-like heterocycles
1965, Vol. 30, Issue 2, pp. 355–379 [Abstract] - R. Zahradník and C. Párkányi
An HMO study of naphthothiophenes, naphthobenzothiophenes and phenanthrobenzothiophenes
1965, Vol. 30, Issue 1, pp. 195–207 [Abstract] - R. Zahradník, J. Michl and J. Koutecký
Tables of quantum chemical data. III. Molecular orbitals of some fluoranthene-like hydrocarbons, cyclopentadienyl, and some of its benzo and naphtho derivatives
1964, Vol. 29, Issue 12, pp. 3184–3210 [Abstract] - A. Vystrčil and E. Říhová
Über Triterpene VI. Intramolekulare Epoxydierung im Triterpenring E; Darstellung von 21β,28-Oxido-taraxastan-Derivaten
1964, Vol. 29, Issue 10, pp. 2377–2388 [Abstract] - R. Zahradník, J. Michl and J. Koutecký
Tables of quantum chemical data. II. Energy characteristics of some non-alternant hydrocarbons
1964, Vol. 29, Issue 8, pp. 1932–1944 [Abstract] - M. Nepraš and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. VI. Charge transfer spectra of π-complexes of analogues and derivatives of benzenoid hydrocarbons
1964, Vol. 29, Issue 7, pp. 1555–1560 [Abstract] - M. Nepraš and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. V. Charge transfer spectra of π-complexes of conjugated hydrocarbons
1964, Vol. 29, Issue 7, pp. 1545–1554 [Abstract] - C. Párkányi and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. IV. Kinetics of the reaction of aryl amines with 2,4-dinitrochlorobenzene
1964, Vol. 29, Issue 4, pp. 973–982 [Abstract] - J. Klinot and A. Vystrčil
Nebenprodukte bei der Umsetzung von Allobetulin zu Heterobetulin
1964, Vol. 29, Issue 2, pp. 516–530 [Abstract] - J. Koutecký and R. Zahradník
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. III. Study of the heteroanalogues of benzenoid hydrocarbons by the simple MO-LCAO method
1963, Vol. 28, Issue 8, pp. 2089–2101 [Abstract] - P. Kristian, K. Antoš, D. Vlachová and R. Zahradník
Electronic nature of the isothiocyanato group and its effect on the basicity of acridines
1963, Vol. 28, Issue 7, pp. 1651–1655 [Abstract] - R. Zahradník, J. Koutecký, Jiří Jonáš and J. Gut
Nucleic acid components and their analogues. XXXI. Electronic structure of uracil, 5-azauracil and 6-azauracil
1963, Vol. 28, Issue 6, pp. 1499–1506 [Abstract] - J. Koutecký and R. Zahradník
Relationship between chemical reactivity indices and carcinogenic activity of larger benzenoid hydrocarbons
1963, Vol. 28, Issue 5, pp. 1256–1265 [Abstract] - R. Zahradník and J. Koutecký
A theoretical study of sulphur heterocyclic compounds derived from nonalternant hydrocarbons
1963, Vol. 28, Issue 5, pp. 1117–1133 [Abstract] - R. Zahradník and J. Koutecký
Physical properties and chemical reactivity of alternant hydrocarbons and related compounds. II. Study of the derivatives of benzenoid hydrocarbons by the simple MO-LCAO method
1963, Vol. 28, Issue 4, pp. 904–934 [Abstract] - R. Zahradník, C. Párkányi, V. Horák and J. Koutecký
An experimental and theoretical study of the reactivity and spectral properties of sulphur heterocycles derived from alternant hydrocarbons
1963, Vol. 28, Issue 4, pp. 776–798 [Abstract] - P. Hochman, J. Koutecký and R. Zahradník
Tables of quantum chemical data. I. Molecular orbitals of some benzenoid hydrocarbons and benzo derivatives of fluoranthene
1962, Vol. 27, Issue 12, pp. 3053–3075 [Abstract] - D. Vlachová, R. Zahradník, K. Antoš, P. Kristian and A. Hulka
Kinetics of the reaction with OH- ions and polarography of aromatic isothiocyanates
1962, Vol. 27, Issue 12, pp. 2826–2840 [Abstract] - J. Koutecký, R. Zahradník and J. Arient
Study of the relations between the physical properties of symmetrical quinones and their structure on the basis of the MO-LCAO method
1962, Vol. 27, Issue 11, pp. 2490–2515 [Abstract] - R. Zahradník, D. Vlachová and J. Koutecký
Electronic spectra and MO-LCAO study of aromatic isothiocyanates
1962, Vol. 27, Issue 10, pp. 2336–2348 [Abstract] - A. Holý and A. Vystrčil
Studie der Aurone II. Über die Reaktivität der Carbonylgruppe in Auronen
1962, Vol. 27, Issue 8, pp. 1861–1869 [Abstract] - C. Párkányi and R. Zahradník
Reactivity and polarography of thiopyrones
1962, Vol. 27, Issue 6, pp. 1355–1368 [Abstract] - R. Zahradník, C. Párkányi and J. Koutecký
Physical properties, reactivity and the MO-LCAO study of thiopyrones and related compounds
1962, Vol. 27, Issue 5, pp. 1242–1253 [Abstract] - R. Zahradník
Kinetik der Reduktion, Polarographie und Infrarotspektren der substituierten Nitrodiphenylsulfide und -Sulfone
1962, Vol. 27, Issue 3, pp. 525–531 [Abstract] - J. Klinot and A. Vystrčil
Beckmannsche Umlagerung von Triterpen-3-ketoximen
1962, Vol. 27, Issue 2, pp. 377–386 [Abstract] - R. Zahradník and K. Boček
Infrared spectra, kinetics of reduction and polarography of aromatic polynuclear nitro compounds
1961, Vol. 26, Issue 7, pp. 1733–1748 [Abstract] - R. Zahradník and J. Koutecký
Contribution to the chemistry of thiadiazols and 1,3-thiazol
1961, Vol. 26, Issue 1, pp. 156–172 [Abstract] - K. Dušek and R. Zahradník
Berechnung der Geschwindigkeitskonstanten von Reaktionen, bei denen die zeitliche Abhängigkeit der Konzentrationsfunktion durch die Summe der Exponentiale gegeben ist
1960, Vol. 25, Issue 5, pp. 1413–1422 [Abstract] - J. Koutecký and R. Zahradník
Calculation of molecular orbital energies of macromolecules with conjugated double bonds
1960, Vol. 25, Issue 3, pp. 811–819 [Abstract] - J. Koutecký, J. Paldus and R. Zahradník
A study of benzodithiylium by a simple MO LCAO method
1960, Vol. 25, Issue 3, pp. 617–624 [Abstract] - R. Zahradník, R. Řeřicha, P. Axamit, M. Řežábková and S. Škramovský
Über die Reaktion einiger Kationen von Schwermetallen mit wenig löslichen Calciumverbindungen
1960, Vol. 25, Issue 1, pp. 146–158 [Abstract] - R. Zahradník
Über Reaktionskinetik und Eigenschaften nichtaromatischer Verbindungen in homologen Reihen IV. Spektrale und polarographische Eigenschaften und Dissoziationskonstanten der N-Alkylthioharnstoffe
1959, Vol. 24, Issue 11, pp. 3678–3687 [Abstract] - R. Zahradník
Über Reaktionskinetik und Eigenschaften nichtaromatischer Verbindungen in homologen Reihen II. Geschwindigkeit der Reaktion von Alkylisothiocyanaten mit n-Butylamin und der Reaktion von Alkylaminen mit Methylisothiocyanat
1959, Vol. 24, Issue 10, pp. 3422–3433 [Abstract] - R. Zahradník
Über Reaktionskinetik und Eigenschaften nichtaromatischer Verbindungen in homologen Reihen I. Reaktion von Alkylisothiocyanaten mit dem OH--Ion
1959, Vol. 24, Issue 10, pp. 3407–3421 [Abstract] - A. Vystrčil, E. Stejskalová-Vondrášková and J. Černý
Über die Identität von Graciolon und Betulinsäure
1959, Vol. 24, Issue 10, pp. 3279–3286 [Abstract] - A. Vystrčil and J. Klinot
Struktur des alloHeterobetulins
1959, Vol. 24, Issue 10, pp. 3273–3278 [Abstract] - R. Zahradník
Anmerkung zu den ultravioletten Spektren von Verbindungen mit C=S-Gruppen
1959, Vol. 24, Issue 9, pp. 3193–3194 [Abstract] - R. Zahradník and P. Zuman
Carbaminate, Monothiocarbaminate und Dithiocarbaminate VIII. Polarographische Studie der Kinetik und des Mechanismus des Zerfalls von Dithiocarbaminsäuren in saurem Milieu
1959, Vol. 24, Issue 4, pp. 1132–1145 [Abstract] - A. Vystrčil and J. Černý
Modellverbindungen des Physostigmins
1959, Vol. 24, Issue 3, pp. 804–808 [Abstract] - R. Zahradník, E. Svátek and M. Chvapil
Nitrosamine sekundärer Amine III. Spektroskopische und polarographische Studie
1959, Vol. 24, Issue 2, pp. 347–359 [Abstract] - R. Zahradník and O. Schmidt
Versuch der Klassifizierung und Ordnung der die chemische Kinetik betreffenden Reaktionsschemata
1958, Vol. 23, Issue 10, pp. 1991–1997 [Abstract] - R. Zahradník and V. Kobrle
Die Reaktionen von Aminosäuren mit Schwefelkohlenstoff V. Papierchromatographie und Ionophorese von Dithiocarbaminocarbonsäuren
1958, Vol. 23, Issue 8, pp. 1585–1587 [Abstract] - R. Zahradník
Über N-Nitrosoderivate sekundärer Amine I. Kinetik und Mechanismus der Zersetzung in stark saurem Medium
1958, Vol. 23, Issue 8, pp. 1529–1539 [Abstract] - R. Zahradník
Die Reaktionen der Aminosäuren mit Schwefelkohlenstoff VII. Darstellung und einige physikalisch-chemische Eigenschaften von Salzen der Dithiocarbaminocarbonsäuren
1958, Vol. 23, Issue 8, pp. 1443–1450 [Abstract] - R. Zahradník
Die Reaktionen der Aminosäuren mit Schwefelkohlenstoff VI. Die Bildungskinetik der Dithiocarbaminocarbonsäuren
1958, Vol. 23, Issue 8, pp. 1435–1442 [Abstract] - L. Stárka and A. Vystrčil
Polarographie der anthronderivate in eisessig
1958, Vol. 23, Issue 2, pp. 216–220 [Abstract] - L. Stárka, A. Vystrčil and B. Stárková
Polarographie der Anthrachinonderivate in Eisessig
1958, Vol. 23, Issue 2, pp. 206–215 [Abstract] - L. Stárka and A. Vystrčil
Die chromatographische Trennung einiger Anthrachinonderivate
1957, Vol. 22, Issue 5, pp. 1686–1688 [Abstract] - B. Stárková, A. Vystrčil and L. Stárka
Darstellung von Nitroderivaten des Carbazols mittels der Graebe-Ullmannschen Synthese
1957, Vol. 22, Issue 3, pp. 1019–1022 [Abstract] - B. Souček, L. Jenšovský, E. Pavelková and R. Zahradník
Die Entstehung von Dithiocarbaminocarbonsäuren bei dem Metabolismus von Schwefelkohlenstoff
1957, Vol. 22, Issue 2, pp. 663–666 [Abstract] - C. Párkányi and A. Vystrčil
Untersuchungen in der Thiochinazolonreihe III. Synthese und Desulfurierung von 1-Methyl-2-thio-3-phenyl-1,2-dihydrochinazolon-(4)
1956, Vol. 21, Issue 6, pp. 1657–1658 [Abstract] - R. Zahradník
Die Reaktionen von Aminosäuren mit Schwefelkohlenstoff IV. Der Zerfall von Dithiocarbaminocarbonsäuren im sauren Medium
1956, Vol. 21, Issue 5, pp. 1111–1121 [Abstract] - C. Párkányi and A. Vystrčil
Untersuchungen in der Thiochinazolon-Reihe I. Über die Desulfurierung einiger 2-Thiochinazolon-(4)-derivate mit Raney-Nickel
1956, Vol. 21, Issue 4, pp. 1007–1012 [Abstract] - R. Zahradník and O. Schmidt
Beitrag zur Kinetik einer gewissen Art simultaner Reaktionen
1956, Vol. 21, Issue 4, pp. 802–807 [Abstract] - C. Párkányi and A. Vystrčil
Polarographie der Harnstoff- und Thioharnstoffderivate VIII. Anodische Depolarisation in Lösungen einiger 2-Mercaptochinazolone-(4)
1956, Vol. 21, Issue 3, pp. 689–696 [Abstract] - R. Zahradník
Reaktionen der Aminosäuren mit Schwefelkohlenstoff. Polarographische Studie der Dithiocarbaminocarbonsäuren
1956, Vol. 21, Issue 2, pp. 447–458 [Abstract] - A. Vystrčil and K. Kalfus
Darstellung von 3-(β-Indolyl)-buttersäure aus 1-Hydroxy-2-carbazol-carbonsäure
1954, Vol. 19, Issue 1, pp. 179–181 [Abstract]
