Collect. Czech. Chem. Commun. 2006, 71, 387-410

Preparation and Conformational Study of 19β,28-Epoxy-18α-olean-5-ene Derivatives

Martin Dračínskýa, Václav Richtrb, Václav Křečeka, Jan Sejbala, Jiří Klinota and Miloš Buděšínskýc,*

a Department of Organic Chemistry, Faculty of Science, Charles University, 128 40 Prague 2, Czech Republic
b Department of Chemistry, University of West Bohemia, 306 19 Plzeň, Czech Republic
c Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 166 10 Prague 6, Czech Republic

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