反应详情

温度

70 °C

To a solution of methyl 2-(4-acetylaminomethylphenyl)-2-methylpropionate (23.47 g) in ethanol (160 ml) was added a solution of sodium hydroxide (7.53 g) in water (94 ml) and the mixture was stirred at 70° C. for 1 hr. The solvent was evaporated, and conc. hydrochloric acid was added. The resulting crystals were collected by filtration to give the title compound (14.0 g) as pale-yellow crystals, m.p.=166-169° C.

1. customThe solvent was evaporated
2. additionconc. hydrochloric acid was added
3. filtrationThe resulting crystals were collected by filtration