Acetic Acid → (4S)-1-{[(3S,4R)-1-(aminocarbonyl)-4-(4-chlorophenyl)pyrrolidine-3-yl]carbonyl}-4-[(4,4-dimethylcyclohexyl)(2,2-dimethylpropanoyl)amino]-N,N-dimethyl-L-prolineamide

Participants

Reaction Steps

To a solution of (4S)-1-{[(3S,4R)-4-(4-chlorophenyl)pyrrolidine-3-yl]carbonyl}-4-[(4,4-dimethylcyclohexyl)(2,2-dimethylpropanoyl)amino]-N,N-dimethyl-L-prolineamide (84 mg, 0.15 mmol) prepared in Example E1-1 in DMF was added dropwise KOCN (24 mg, 0.3 mmol) and a catalytic amount of acetic acid. The reaction mixture was stirred at rt for 1 h, extracted with EtOAc, washed with excessive amount of water and brine, and the organic solution was dried over MgSO4. The residue was purified by HPLC to give the title compound.

Provenance & Evidence