The first total synthesis of acutifolone A,a pinguisane-type sesquiterpenoid isolated from the Japanese liverwort Porella acutifolia subsp.tosana

摘要

The first total synthesis of acutifolone A,a sesquiterpenoid carrying the bicyclo[4.3.0]nonane structure 1,was successfully achieved from the intermediate 6 produced by the intramolecular Diels-Alder reaction.