Calyciphylline D, a Novel Alkaloid with an Unprecedented Fused-Pentacyclic Skeleton from Daphniphyllum calycinum

Organic Letters
2007.0

Abstract

Calyciphylline D (1), a novel Daphniphyllum alkaloid with an unprecedented fused-pentacyclic skeleton containing a 8-azatricyclo[4.2.1.0.(4,8)]nonane ring system, has been isolated from the leaves of Daphniphyllum calycinum (Daphniphyllaceae), and the structure and relative stereochemistry were elucidated on the basis of spectroscopic data.

DOI： 10.1021/ol0631455

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