Hydrochloric Acid → 2-Methyl-2-(4-nitrophenoxy)propanoic acid

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Reaction Steps

To a solution of methyl 2-(4-nitrophenoxy)isobutyrate (49) was in methanol (50 mL) and water (50 mL) was added sodium hydroxide (5 g) at room temperature. The solution was stirred at room temperature for 30 min, then acidified with 1N HCl aqueous to pH ˜3. The aqueous solution was extracted with ethyl acetate (2×100 mL). The organic layers were combined, dried over anhydrous sodium sulfate and solvent was removed under a reduced pressure to give 2-(4-nitrophenoxy)isobutyric acid (50).

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