Potassium Carbonate → (S)-1-((3AR,5S,6AR)-2,2-Dimethyltetrahydrofuro[2,3-D][1,3]dioxol-5-YL)propan-1-OL

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Reaction Steps

To a solution of [(1S)-1-[(3aR,5S,6aR)-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]propyl] 4-nitrobenzoate (compound 6d, 100 g, 285 mmol) in methanol (1200 mL) was added K2CO3 (78.7 g, 570 mmol). After being stirred at room temperature for 10 minutes, the resulted mixture was filtered. The filtrate was concentrated in vacuo. The residue was purified by column chromatography on silica gel (eluting with 1:8 EtOAc in petroleum ether) to afford 54.7 g of (1S)-1-[(3aR,5S,6aR)-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]propan-1-ol (compound 6e) as a slight yellow solid.

Provenance & Evidence