反应详情

The title compound was prepared from 3-tert-butyl-1-(2-(trifluoromethyl)phenyl)-1H-pyrazol-5-amine (1.45 g, 5.12 mmol) and phenyl chloroformate (1.95 mL, 15.4 mmol) using the procedure in Example 118A to give phenyl 3-tert-butyl-1-(2-(trifluoromethyl)phenyl)-1H-pyrazol-5-ylcarbamate (1.46 g, 3.62 mmol, 71%). 1H NMR (300 MHz, DMSO-d6) δ 10.20 (br s, 1H), 7.92 (d, 1H), 7.85 (t, 1H), 7.74 (t, 1H), 7.54 (d, 1H), 7.38-7.36 (m, 2H), 7.23 (t, 1H), 7.09 (br s, 2H), 6.32 (s, 1H), 1.25 (s, 9H); LC-MS (ESI) m/z 404 (M+H)+.