p-Toluenesulfonic acid → N-(3-formylphenyl)acetamide

Beteiligte Stoffe

Reaktionsschritte

A solution of N-[3-(1,3-dioxolan-2-yl)phenyl]acetamide (50.0 g, 0.24 mole) and p-toluenesulfonic acid (1.0 g) in acetone (750 mL) was stirred at room temperature for 72 hours. The solution was filtered through a pad of neutral alumina and concentrated in vacuo to afford N-(3-formylphenyl)acetamide (39.4 g, 100%), mp 68°-70° C., used without further purification below.

Herkunft & Nachweise