(3aR*,6aR*)-6-Benzyloxymethyl-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-one
benzyl bromide
(3aS,4S,6aR)-6-Benzyloxymethyl-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[1,3]dioxol-4-ol
(1α,4α,5α)-1-(benzyloxy)-3-<(benzyloxy)methyl>-4,5-(isopropylidenedioxy)-2-cyclopentene
acetic anhydride