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The tribe Delphineae, comprising two genera, Aconitum L. and Delphinium L., is the richest source of bioactive diterpenoid alkaloids (DAs), while their highly similar chemical structures create a major challenge for dereplication from complex mixture. To solve the inefficient discovery process of natural DAs, a novel dereplication strategy based on pattern recognition of specific heteronuclear multiple...
Comprehensive Summary
(±)‐Atrachinenins A—C (1—3), three meroterpenoids possessing novel C27 skeletons, were isolated from the rhizomes of Atractylodes chinensis. (±)‐Atrachinenin A (1) possesses an unprecedented cage‐like skeleton with a fused 6/6/5/5 tetracyclic system (decahy‐dro‐1,5:4a,7‐dimethanobenzo[7]annulene), which may be formed by the intermolecular cyclization of (±)‐atrachinenin C (3)...
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