Abstract
AbstractRacemic eburnamonine (1) was synthesized via 6, an intermediate possessing local symmetry. Cleavage of the cyclopentene subunit led to pentacyclic aldehydes 8a/8b which on subsequent borohydride and Wolff–Kishner reductions gave 12. The final steps included a RuCl3‐catalyzed periodate oxidation and pyridinium chlorochromate (PCC) oxidation. The penultimate intermediates were racemic eburnamine (2) and racemic isoeburnamine (3).
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