反应详情

温度

70 °C

3.86 g of piperidin-1-yl-acetic acid ethyl ester was dissolved in 40 mL of ethanol, added with 3.39 mL of hydrazine monohydrate, and stirred at 70° C. for 5 hours. After allowing the solution to cool to room temperature, the solvent was evaporated, to afford 3.8 g of the title compound as pale yellow crystals.

1. temperatureto cool to room temperature
2. customthe solvent was evaporated