Collect. Czech. Chem. Commun.
1977, 42, 1220-1228
https://doi.org/10.1135/cccc19771220
Unusual course of photolysis of 3β-acetoxy-28-nitrosyloxylupane. Synthesis of triterpenic N-oxides and hydroxamic acids
J. Protiva, M. Buděšínský and A. Vystrčil
Individual author index pages
Other CCCC articles of these authors
- V. Šanda, J. Fajkoš and J. Protiva
Microbial oxygenation of B-norsteroids with Beauveria bassiana
1977, Vol. 42, Issue 12, pp. 3646–3653 [Abstract] - 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. Protiva, F. Tureček and A. Vystrčil
Revised structure of thurberine. Synthesis of 3,12-lupanedione
1977, Vol. 42, Issue 1, pp. 140–150 [Abstract] - V. Pouzar and A. Vystrčil
Reduction and steric interaction of 12-lupanone derivatives
1976, Vol. 41, Issue 11, pp. 3452–3466 [Abstract] - V. Černý, A. Trka, J. Kohoutová, J. Smolíková and M. Buděšínský
Base-catalyzed autoxidation of 3α,5-cyclo-5α-cholestan-6-one and 3α,5-cyclo-5α-cholestan-7-one
1976, Vol. 41, Issue 9, pp. 2788–2811 [Abstract] - J. Protiva, V. Pouzar and A. Vystrčil
Mass spectra of 12-oxolupane derivatives
1976, Vol. 41, Issue 8, pp. 2225–2237 [Abstract] - I. Frič, M. Buděšínský, F. Brtník and M. Zaoral
The conformation of C-terminal tripeptides of neurohypophysial hormones. Proton magnetic resonance and circular dichroic studies
1976, Vol. 41, Issue 6, pp. 1704–1713 [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] - 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] - 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] - T. Trnka, M. Černý, M. Buděšínský and J. Pacák
The synthesis of 3-amino-3-deoxy-D-glucose (kanosamine) and its 1,6-anhydro derivative conformation of amino derivatives of 1,6-anhydro-β-D-hexopyranoses
1975, Vol. 40, Issue 10, pp. 3038–3045 [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] - M. Černý, O. Juláková, J. Pacák and M. Buděšínský
Isomerization of 2-amino-1,6 : 3,4-dianhydro-2-deoxy-β-D-galactopyranose to 1,6-anhydro-2,3-dideoxy-2,3-epimino-β-D-gulopyranose in alkaline medium
1975, Vol. 40, Issue 7, pp. 2116–2119 [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] - 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] - A. Kasal and M. Buděšínský
Reaction of 5-bromo-6β-chloro-5α-cholestan-3β-ol with silver salts
1975, Vol. 40, Issue 4, pp. 1231–1239 [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] - M. Černý, M. Kollmann, J. Pacák and M. Buděšínský
Preparation of branched-chain hexoses by reaction of 1,6-anhydro-2,4-di-O-p-toluenesulfonyl-β-D-hexopyranos-3-uloses with Grignard reagents
1974, Vol. 39, Issue 9, pp. 2507–2519 [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. Joska, J. Fajkoš and M. Buděšínský
Synthesis of 4,5-cyclo-A-homo-B-norcholestane derivatives
1974, Vol. 39, Issue 7, pp. 1914–1924 [Abstract] - A. Vystrčil and J. Protiva
Photo-oxidation of 28-lupanol and its derivatives
1974, Vol. 39, Issue 5, pp. 1382–1390 [Abstract] - Ž. Procházka, M. Buděšínský and P. Prekajski
Microbial oxygenation of 6β-hydroxy-3α,5-cyclo-5α-androstan-17-one with Rhizopus nigricans
1974, Vol. 39, Issue 4, pp. 982–992 [Abstract] - J. Pacák, P. Drašar, D. Štropová, M. Černý and M. Buděšínský
Syntheses with anhydro sugars. XVIII. Aminodideoxyfluorine derivatives of D-glucose
1973, Vol. 38, Issue 12, pp. 3936–3939 [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] - 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] - J. Vičar, M. Buděšínský and K. Bláha
Amino acids and peptides. CXIV. Proton magnetic reasonance studies of cyclodipeptides containing pipecolic acid, proline and/or 2-azetidinecarboxylic acid
1973, Vol. 38, Issue 7, pp. 1940–1956 [Abstract] - J. Fajkoš, M. Buděšínský and J. Joska
On steroids. CLIII. 5,7-Cyclosteroids. VII. The epimeric 1,2-epoxides of the 5,7β-cyclosteroid series
1973, Vol. 38, Issue 5, pp. 1406–1414 [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] - V. Černý, M. Buděšínský and F. Šorm
On steroids. CXLVIII. Reactions and stereochemistry of some 2-oxygenated A-homo-5α-cholestane derivatives
1973, Vol. 38, Issue 2, pp. 565–574 [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] - V. Šanda, J. Fajkoš, F. Šorm and J. Protiva
On steroids. CXXXX. B-Norsteroid analogues of corticoids
1972, Vol. 37, Issue 8, pp. 2807–2811 [Abstract] - L. Blažek, M. Arient, M. Buděšínský, H. Kovaříková, L. Buřič and Z. Dienstbier
Estimation of pyrimidine deoxyribonucleosides in urine
1972, Vol. 37, Issue 6, pp. 1933–1937 [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] - 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] - V. Schwarz and J. Protiva
Steroid derivatives. LXXIII. Hydroxylation of substances of pregnane series with Coniosporium rhizophilum (PREUSS)
1972, Vol. 37, Issue 5, pp. 1577–1584 [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] - 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] - V. Schwarz, J. Protiva and J. Martínková
Steroid derivatives. LXX. Microbial hydroxylation of 17α,21-dihydroxy-16-methylene-4-pregnene-3,20-dione
1971, Vol. 36, Issue 10, pp. 3455–3462 [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] - 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] - 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] - 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] - K. Waisser, J. Zelinka and A. Vystrčil
Triterpenes. XIV. The stereochemistry of 1-hydroxytriterpenes
1968, Vol. 33, Issue 8, pp. 2485–2493 [Abstract] - J. Protiva, V. Schwarz and K. Syhora
Steroid derivatives. LIII. Substrate specificity of Flavobacterium buccalis in microbial transformation of derivatives of 3β-hydroxypregn-5-en-20-one
1968, Vol. 33, Issue 1, pp. 83–91 [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] - 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] - V. Schwarz, J. Martínková, J. Protiva and K. Syhora
Steroid-Derivate XLVI. Mikrobielle 7β,11α-Dihydroxylierung der Steroide
1966, Vol. 31, Issue 12, pp. 4703–4709 [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. Klinot and A. Vystrčil
Triterpenes. VII. Stereochemistry of 2-bromo derivatives of allobetuline and alloheterobetuline
1966, Vol. 31, Issue 3, pp. 1079–1092 [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] - 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] - J. Klinot and A. Vystrčil
Nebenprodukte bei der Umsetzung von Allobetulin zu Heterobetulin
1964, Vol. 29, Issue 2, pp. 516–530 [Abstract] - R. Zahradník and A. Vystrčil
Study of aurones. III. Attempt for theoretical explanation of formation of benzofuran derivative from aurone
1963, Vol. 28, Issue 5, pp. 1334–1338 [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] - J. Klinot and A. Vystrčil
Beckmannsche Umlagerung von Triterpen-3-ketoximen
1962, Vol. 27, Issue 2, pp. 377–386 [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. Praus, J. Protiva and J. Dyr
Einfluss einiger Faktoren auf den photodynamischen Effekt bei den durch Methylenblau sensibilisierten Mikroorganismen Saccharomyces cerevisiae und Escherichia coli
1959, Vol. 24, Issue 4, pp. 1091–1098 [Abstract] - A. Vystrčil and J. Černý
Modellverbindungen des Physostigmins
1959, Vol. 24, Issue 3, pp. 804–808 [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] - 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] - 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] - 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] - 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]