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Novel C - 35 terpenoids from the Panamanian liverwortplagiochila moritziana

Authors
Journal
Tetrahedron
0040-4020
Publisher
Elsevier
Publication Date
Volume
45
Issue
16
Identifiers
DOI: 10.1016/s0040-4020(01)81080-2

Abstract

Abstract A new class of C-35 terpenoids is described from Hepaticae: plagiospirolide A and plagiospirolide B, two novel heptacyclic spiro-terpenes were isolated from the Panamanian liverwort Plagiochila moritziana Lindbg. & Gott. Structures were determined by MS, extensive NMR studies and X-ray crystallographic analysis. The compounds may be biosynthesized by condensation of a sesquiterpenoid and a diterpenoid unit in a Diels-Alder like reaction.

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