反应详情

Methyl chlorooxoacetate (2.41 mL, 26.1 mmol) was added dropwise over 2 mins to a stirred solution of ethyl cis-4-(4-aminophenoxy)cyclohexanecarboxylate (6.24 g, 23.7 mmol) and diisopropylethylamine (8.25 mL, 47.4 mmol) in DCM (200 mL) and the reaction mixture was stirred at ambient temperature for 16 h. Water (75 mL) was added and the layers were separated. The organic layer was washed with an aqueous solution of hydrochloric acid (1M, 75 mL) and then a saturated aqueous solution of sodium hydrogen carbonate (75 mL), dried (MgSO4) and concentrated in vacuo to provide the title compound as a white solid (8.23 g, 100%).

1. customthe layers were separated
2. washThe organic layer was washed with an aqueous solution of hydrochloric acid (1M, 75 mL)
3. dry with materiala saturated aqueous solution of sodium hydrogen carbonate (75 mL), dried (MgSO4)
4. concentrationconcentrated in vacuo