Author:
Sejbal Jan,Klinotová Eva,Bludská Markéta,Klinot Jiří,Buděšínský Miloš
Abstract
Careyagenolide (I) and its respective 2β,3α- and 2β,3β-isomers XVII and XIV were prepared from 3-oxo-18α,19βH-ursan-28,20β-olide (IX), accessible from betulin (II). The key step of the synthesis was hydroxylation of ketones IX and X with 3-chloroperoxybenzoic acid and reduction of ketones XI-XIII.
Publisher
Institute of Organic Chemistry & Biochemistry
Cited by
6 articles.
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