Trifluoroacetic acid → HCID 10210143, compound

Participants

Reaction Steps

The title compound was prepared according to the procedure described in Example 3 (Step b) using tert-butyl 3-(N-[(1R)-1-[(4-chlorophenyl)methyl]-2-(4-{2-[(cyclopropylmethyl)-(methylsulfonyl)amino]phenyl}piperidyl)-2-oxoethyl]carbamoyl)azetidine-carboxylate (Step a) (565 mg, 0.84 mmol) and 50% TFA in CH2Cl2 (6 mL). Purification by reverse phase preparative HPLC [YMC-Pack ODS-AM 250×20 mm 5 μm column, 40% to 75% CH3CN (0.1% TFA) in H2O(0.1% TFA) over 10 min] provided the title compound (TFA salt) as an amorphous white solid (420 mg). MS (ESI, pos. ion) m/z: 573 (M+1). Calcd for C29H37ClN4O4S: 572.22. Anal. Calcd for C29H37ClN4O4S 1.7C2HF3O2: C, 50.74; H, 5.09; N, 7.30, S, 4.18. Found: C. 50.47; H, 5.03; N, 7.36; S, 4.28.

Provenance & Evidence