- ISSN 0010-0765 printed
- ISSN 1212-6950 electronic
Václav Křeček
- Martin Dračínský, Václav Richtr, Václav Křeček, Jan Sejbal, Jiří Klinot and Miloš Buděšínský*
Preparation and Conformational Study of 19β,28-Epoxy-18α-olean-5-ene Derivatives
2006, Vol. 71, Issue 3, pp. 387–410 [Abstract] - Jan Sejbal*, Martina Homolová, Iva Tišlerová and Václav Křeček
Preparation and Conformational Analysis of 1,2-Seco Derivatives of 19β,28-Epoxy-18α-oleanane
2000, Vol. 65, Issue 8, pp. 1339–1356 [Abstract] - Eva Klinotová*, Jitka Čermáková, Martin Rejzek, Václav Křeček, Jan Sejbal, Petr Olšovský and Jiří Klinot
Reaction of 18β,19β-Epoxylupan-21-one Derivatives with Acids: A Way to 21,22-Disubstituted Lup-18-ene Triterpenoids
1999, Vol. 64, Issue 2, pp. 329–347 [Abstract] - Eva Klinotová, Václav Křeček, Jiří Klinot, Magdalena Endová, Jana Eisenreichová, Miloš Buděšínský and Martin Štícha
Glycosylation of Triterpene Alcohols and Acids of the Lupane and A-Secolupane Series
1997, Vol. 62, Issue 11, pp. 1776–1798 [Abstract] - Václav Křeček, Stanislav Hilgard, Miloš Buděšínský and Alois Vystrčil
E-Homolupane Derivatives Substituted in Position 17 and 22a. 1H NMR, 13C NMR and IR Spectra
1995, Vol. 60, Issue 4, pp. 619–635 [Abstract] - Jiří Protiva, Václav Křeček, Luděk Vlk, Hana Malinová, Eva Klinotová, Bohumil Máca and Jiří Urban
Indirect Iodination of Estrogenes via Triazenes
1993, Vol. 58, Issue 11, pp. 2729–2736 [Abstract] - Eva Klinotová, Jiří Klinot, Václav Křeček, Stanislav Hilgard, Miloš Buděšínský and Jan Malát
Structure of Dimeric Compounds Obtained from 3β-Acetoxy-21,22-dioxo-18α,19βH-ursan-28,20β-olide
1993, Vol. 58, Issue 7, pp. 1675–1691 [Abstract] - Eva Klinotová, Jiří Klinot, Václav Křeček, Miloš Buděšínský and Bohumil Máca
21,22-Disubstituted 18α,19βH-Ursane Derivatives with Oxabicyclooctane System in Ring E
1993, Vol. 58, Issue 1, pp. 173–190 [Abstract] - Václav Křeček, Miloš Buděšínský and Alois Vystrčil
Preparation of 20R and 20S Acetylamino-30-norlupane Derivatives
1992, Vol. 57, Issue 3, pp. 556–564 [Abstract] - Eva Klinotová, Václav Křeček, Jiří Klinot, Miloš Buděšínský, Jaroslav Podlaha, Jana Podlahová and Jiří Ječný
An unusual reaction of a bridged triterpenoid α-diketone with acetic anhydride
1991, Vol. 56, Issue 12, pp. 2917–2935 [Abstract] - Alois Vystrčil, Václav Křeček, Jiří Protiva and Miloš Buděšínský
Anhydrobetulin and its derivatives
1991, Vol. 56, Issue 4, pp. 886–904 [Abstract] - Jiří Protiva, Václav Křeček, Bohumil Máca, Jiří Urban, Miloš Buděšínský and Miloš Procházka
Synthesis of 4-(N-acetyl-L-tyrosyl)amino-2-iodobenzoic acid
1989, Vol. 54, Issue 4, pp. 1012–1018 [Abstract] - Jiří Protiva, Václav Křeček, Ladislav Lešetický and Petr Sedmera
New intermediate for rapid synthesis of N-isopropyl-2-amino-1-(4-iodophenyl)propane (N-isopropyl-4-iodoamphetamine), labelled with radioactive iodine
1987, Vol. 52, Issue 9, pp. 2274–2280 [Abstract] - Václav Křeček, Jiří Protiva, Miloš Buděšínský, Eva Klinotová and Alois Vystrčil
Preparation of C(18)-empiric 20,29,30-trinorlupane derivatives. 1H, 13C NMR and mass spectra
1986, Vol. 51, Issue 3, pp. 621–635 [Abstract] - Alois Vystrčil, Václav Křeček, Miloš Buděšínský and Jiří Protiva
Isomeric oximes of 30-norlupan-20-one and its derivatives
1986, Vol. 51, Issue 3, pp. 581–592 [Abstract] - Alois Vystrčil, Václav Křeček and Miloš Buděšínský
Elimination reaction of angular hydroxymethyl groups of 20(29)-lupene derivatives
1983, Vol. 48, Issue 5, pp. 1499–1507 [Abstract] - Jiří Protiva, Václav Křeček, Josefa Křečková, Eva Klinotová and Alois Vystrčil
The synthesis and the mass spectra of 28,29,30-trinoroleanane derivatives with a double bond in the ring E or D
1983, Vol. 48, Issue 3, pp. 928–936 [Abstract] - Jiří Protiva, Luděk Lepša, Eva Klinotová, Jiří Klinot, Václav Křeček and Alois Vystrčil
Homogeneous hydrogenation and deuteration of pentacyclic triterpenoids: Double bonds in side-chains
1981, Vol. 46, Issue 11, pp. 2734–2741 [Abstract]
The following name might also represent this author:
V. Křeček
- A. Vystrčil, V. Křeček and M. Buděšínský
Photooxidation of (20R)- and (20S)-29-lupanol derivatives
1975, Vol. 40, Issue 5, pp. 1593–1603 [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, V. Křeček and M. Buděšínský
Elimination reactions on angular hydroxymethyl group of the lupane skeleton
1974, Vol. 39, Issue 9, pp. 2494–2506 [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]
