反应详情

A methanol (6 ml) and THF (6 ml) solution of methyl 2-(2,2,2-trifluoro-1,1-dimethylethyl)quinoline-6-carboxylate (777 mg, 2.6 mmol) and 2M sodium hydroxide aqueous solution (2.6 ml, 5.2 mmol) was treated in the procedure described in Step C-2C to furnish the title compound (735 mg, 99% yield) as a white solid. 1H NMR (300 MHz, CDCl3) δ 1.75 (6H, s), 7.74 (1H, d, J=8.8 Hz), 8.19 (1H, d, J=8.8 Hz), 8.29 (1H, d, J=8.8 Hz), 8.35-8.40 (1H, m), 8.69-8.70 (1H, m). MS (ESI): m/z 284 (M+H)+.