Studies of Australian soft corals. XXV. Several caryophyllene-based diterpenes from a Nephthea species

Author:

Ahond A,Bowden BF,Coll JC,Fourneron J,Mitchell SJ

Abstract

Two new caryophyllene-based diterpenes (5) and (6) are reported from the soft coral Nephthea chabrolii. The structures were deduced spectroscopically and the compounds were converted into several known diterpenes by chemical transformation. The presence of the caryophyllene ring system was based on 13C n.m.r. data and confirmed by conversion into the known clovane ring system by an acid-catalysed hydration-rearrangement of the endocyclic epoxide (12).

Publisher

CSIRO Publishing

Subject

General Chemistry

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4. A New Norsesquiterpenoid from a Bornean Soft Coral Genus Nephthea;Molecules;2009-11-10

5. A New 4α-Methylated Sterol from a Nephthea sp. (Nephtheidae) Bornean Soft Coral;Molecules;2009-09-02

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