The Structure of (11xi,12xi)-11,12-Di(7-drimen-11-oxy)-11,12-epoxy-7-drimene.

Abstract

A new terpenoid, isolated from Drimys winteri Forst, was assigned the structure (11.xi.,12.xi.)-11,12-di(7-drimen-11-oxy)-11,12-epoxy-7-drimene on the basis of spectral and chemical data including hydrolysis to the known sesquiterpenoids drimenol and polygodial. The absolute configurations were established for all but 2 asymmetric centers, which were tentatively deduced from 13C and 1H NMR considerations.