Hydrochloric Acid → 4-[(5,5,8,8-Tetramethyl-5,6,7,8-tetrahydro-2-naphthalenyl)methyl]-2-furaldehyde

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A round bottom flask was mixed with 2-{4-[(5,5,8,8-tetramethyl-5,6,7,8-tetrahydro- 2-naphthalenyl)methyl]-2-furyl}-1,3-dioxolane (246 mg, 0.72 mmol), 3.0 N HCl (10 mL) and THF (20 mL). The reaction mixture stirred for 16 hours at room temperature and was concentrated to one half volume. The resulting mixture was partitioned between saturated NaCl and ether. The ether layer was dried over MgSO4 and concentrated to dryness. The resulting oil showed an inseparable impurity by TLC and the product was used without further purification.

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