Sodium Chloride → HCID 23139093, compound

Participants

Reaction Steps

To a solution of (E)-3-[(1H-pyrazol-4-yl)methylidene]-1-(triphenylmethyl)piperidin-4-one (6.0 g) in acetonitrile (100 ml) were added ethyl bromoacetate (7.2 g) and 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) (6.4 ml). The resulting mixture was stirred at room temperature for one hour, and the reaction was stopped by addition of a saturated aqueous sodium chloride solution. The products were extracted with ethyl acetate, and the organic layer was dried over anhydrous sodium sulfate. The solvent was evaporated in vacuo, and the residue was purified by chromatography on silica gel using a mixture of hexane, ethyl acetate and dichloromethane (2:1:1) as the eluent to afford the title compound as a yellow amorphous solid (6.08 g, yield: 84%).

Provenance & Evidence