Abstract
Photolysis of 5,6-epoxy 4-keto derivatives of the Diels–Alder adduct of levoglucosenone and piperylene in C6H6–MeOH causes cleavage of the C4–C5 bond giving product containing vicinal acetone and alkyl acetate moieties, the latter would further transform into 1-alkoxycarbonyl-2-hydroxy-2-methylcyclopentane derivative annulated to 5,8-dioxabicyclo[3.2.1]octane cage.
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