N-bromobutanimide → HCID 59632711, compound

Participants

Reaction Conditions

Reaction Steps

To a stirred solution of 2-[5-[5-(3-methanesulfonyl-phenyl)-thiophen-2-yl]-1-(2-trifluoromethyl-phenyl)-1H-pyrazol-3-yl]-propan-2-ol (254 mg, 0.5 mmol) in dry MeCN was added N-bromosuccinimide (94 mg, 0.53 mmol) at 20° C. and the reaction mixture was stirred at 20° C. overnight. Evaporation of solvent gave a residue, which was purified by flash chromatography on silica gel eluted with EtOAC-hexane (0-60%) to afford the title compound as a white solid (286 mg, 98%). 1H-NMR (CDCl3): δ 8.05 (m, 1H), 7.85-7.81 (m, 2H), 7.76 (m, 1H), 7.63-7.61 (m, 2H), 7.56 (t, 1H), 7.39 (m, 1H), 7.25 (d, 1H), 6.98 (d, 1H), 3.09 (s, 1H), 3.07 (s, 3H), 1.74 (s, 6H).

Provenance & Evidence