反应详情

温度

5 °C

Hydrazine monohydrate (0.15 mL, 3.34 mmol) was added in one portion to a stirred solution of ethyl trans-4-(4-{[methoxy(oxo)acetyl]amino}phenoxy)cyclohexanecarboxylate (150 mg, 3.04 mmol) in EtOH (3 mL) and the reaction mixture was stirred for 20 minutes. Ether (10 mL) was added and the mixture was cooled to 5° C. The mixture was filtered to give the title compound (Intermediate 80) (129 mg, 85%) as a solid that was used without further purification; MS m/e MH+ 350.

1. filtrationThe mixture was filtered