Methylenecyclopentane annulation: a synthesis of the sesquiterpenoid (±)-pentalenene
作者:Edward Piers、Veranja Karunaratne
DOI:10.1039/c39840000959
日期:——
Transformation of the readily available keto acetal (10) into the novel sesquiterpenoid (±)-pentalenene (1) is accomplished via a 12-step synthetic sequence, the key conversion [(13) into (15)] of which involves a new, recently developed methylenecyclopentaneannulation process.