反应详情

温度

0 °C

Methyl 4-bromocrotonate (2 g, 11.2 mmol) was dissolved in dichloromethane (20 mL) and cooled to 0° C. Piperidine (1.11 mL, 11.2 mmol) was added slowly. The mixture was stirred at 0° C. for 1 hour. The solvent was removed in vacuo. The crude material was used as is. MS m/z 184 (M+1).

1. customThe solvent was removed in vacuo