(+)-Ovalifolienalone, a novel sesquiterpenoid ketone of the ent-2,3-seco-alloaromadendrane group from Plagiochila semidecurrens(liverwort): X-ray crystal and molecular structure

Abstract

SummcrryThe structure and absolute con!iguration of a novel sesquiterpenoid ketone, (+)-ovalifolienalone, isolated from Pkrgiuchikr sMnjdGcuwcIIs has been determined as (3) on the basis of spectral evidence and X-ray analysis.