Trifluoroacetic acid → HCID 72550454, compound

Participants

Reaction Steps

4-{[(2R,3S,4R,5S)-4-(4-Chloro-2-fluoro-phenyl)-3-(3-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carbonyl]-amino}-3-methoxy-benzoic acid 2-tert-butoxycarbonyl-ethyl ester was treated with trifluoroacetic acid to give 4-{[(2R,3S,4R,5S)-4-(4-chloro-2-fluoro-phenyl)-3-(3-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carbonyl]-amino}-3-methoxy-benzoic acid 2-carboxy-ethyl ester. MS (ES+) m/z calcd. for C34H34Cl2F2N3O6: [(M+H)+]: 688. found: 688.

Provenance & Evidence