posted on 2006-03-02, 00:00authored byBrandon Doroh, Gary A. Sulikowski
The tetracyclic core of the diterpene bielschowskysin has been prepared as a single enantiomer via a stereoselective intramolecular [2 + 2]
photocycloaddition of 5-alkylidene-2(5H)-furanone 3.