Acetic Anhydride → N-(2-(4-Methoxyphenyl)ethyl)acetamide

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To a mixture of (4-methoxy-phenyl)-ethylamine (10 g, Aldrich, U.S.A.) and triethylamine (10.1 mL) in dichloromethane (200 mL) was added acetic anhydride (7.4 g). The mixture was stirred at rt for 3 h and was washed successively with hydrochloric acid (1 M, 100 mL), 10% aqueous potassium carbonate (100 mL) and brine (100 mL). The dichloromethane layer was dried over sodium sulfate and filtered. The filtrate was evaporated to afford N-[2-(4-methoxy-phenyl)-ethyl]-acetamide (13.0 g).

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