反应详情

A solution of tert-butyl (3R)-6-cyclohexyl-3-{3-[(4-methyl-1-piperazinyl)carbonyl]-1,2,4-oxadiazol-5-yl}hexanoate (Preparation 23) (312 mg, 0.70 mmol) in dichloromethane (4 ml) was treated with trifluoroacetic acid (1 ml) and the resulting mixture was stirred at room temperature under a nitrogen atmosphere for 17 hours. The solvent was removed under reduced pressure and the residue azeotroped from toluene to afford the title compound as a white foam (320 mg).

1. customThe solvent was removed under reduced pressure
2. customthe residue azeotroped from toluene