反应详情

Benzyl 4-(4-ethoxy-3-(trifluoromethyl)benzamido)-2,6-difluorobenzoate (4) (25 mg, 52 μmol) was dissolved in methanol (10 mL) and was passed through a Thales ‘H-cube’ cartridge (10% Pd/C) at a flow rate of 1 mL/min at 25° C. under H2 (10 bar). The solvent was removed in vacuo to afford 4-(4-ethoxy-3-(trifluoromethyl)benzamido)-2,6-difluorobenzoic acid (XXX-02) (20 mg, 97%) as a white solid: m/z 388.1 (M−H)− (ES−). 1H NMR (400 MHz, MeOD) δ: 8.23 (1H, d), 8.19 (1H, dd), 7.53 (2H, dt), 7.30 (1H, d), 4.26 (2H, q), 1.46 (3H, t).

1. customat 25° C.
2. customThe solvent was removed in vacuo