Cyclohexanecarboxaldehyde → HCID 69101439, compound

Participants

Reaction Steps

To a solution of 600 mg of 3-(benzyloxycarbonyl)amino-N-{((3S)-3-piperidyl)methyl}propanamide in 3 ml of methanol, a solution of 150 mg of sodium cyanoborohydride and 160 mg of zinc chloride in 8.1 ml of methanol, and 0.30 ml of cyclohexanecarbaldehyde were added at room temperature, followed by an hour's stirring at the same temperature. The reaction liquid was diluted with ethyl acetate and successively washed with saturated aqueous sodium bicarbonate solution and saturated saline, followed by drying over anhydrous sodium sulfate. Upon distilling the solvent off under reduced pressure, 775 mg of the title compound was obtained.

Provenance & Evidence