Title: Acetylation products of pentacyclic triterpene glucosides from Combretum Psidioides
Authors: Kilonda, Amuri ×
Lohohola, O
Toppet, Suzanne
Compernolle, Frans #
Issue Date: Jan-2003
Publisher: Arkat usa inc
Series Title: Arkivoc pages:3-21
Abstract: Following acetylation of a mixture of triterpene glycosides extracted from the root bark of Combretum psidioides eleven oleanane and ursane triterpene type glycosides were isolated. Their structures were established by spectral analysis and by comparison with related compounds; all acetylated derivatives could be correlated with known triterpene glycosides. Attempted acetylation of the sterically hindered 19alpha-OH group of arjunglucoside I (4) led to introduction of a (3-acetoxy-2-butenoyl) side chain, due to generation of acetylketene as a more reactive acylating agent.
ISSN: 1551-7004
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
× corresponding author
# (joint) last author

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