反应详情

A stirred solution of methyl 3-formylbenzoate (10.0 g., 61 mmol), ethylene glycol (5.0 ml, 91 mmol) and p-toluene sulphonic acid (10 mb) in toluene (100 ml) was refluxed under a Dean and Stark water trap for 4 hours. The cooled solution was washed with sodium bicarbonate solution, dried and evaporated to a pale oil.

1. washThe cooled solution was washed with sodium bicarbonate solution
2. customdried
3. customevaporated to a pale oil