反应详情

To a solution of ethyl 2-(3,4,5-trimethoxyphenyl)isonicotinate (3.17 g) in ethanol (40 mL) was added 10% potassium hydroxide (2.42 g). The mixture was stirred at room temperature for 5 hours and evaporated. Water was added to the residue and pH was adjusted to 7. White precipitates of the title compound were collected by filtration and the compound was used for next step without further purification.

1. customevaporated
2. additionWater was added to the residue and pH
3. customWhite precipitates of the title compound
4. filtrationwere collected by filtration
5. customthe compound was used for next step without further purification