Abstract
A simple and efficient total synthesis of rhoiptelol B, isolated
from the the leaves and fruits of Rhoiptelea
chiliantha , is achieved using Sharpless asymmetric epoxidation,
1,3-anti -chiral allylation, olefin cross-metathesis,
Sharpless asymmetric dihydroxylation, and ferric chloride catalyzed
intramolecular SN 2 cyclization as the key steps.
Key words
rhoiptelol B - Sharpless asymmetric epoxidation - allylation - cross-metathesis -
diarylheptanoids
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[³ ]
).
Scheme 3 Reagents and conditions :
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