Phenyl chloroformate → HCID 66893843, compound

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Reaction Steps

The title compound was prepared from 3-tert-butyl-1-(4-(trifluoromethyl)phenyl)-1H-pyrazol-5-amine (1.36 g, 4.80 mmol) and phenyl chloroformate (1.82 mL, 14.4 mmol) using the procedure in Example 118A to give phenyl 3-tert-butyl-1-(4-(trifluoromethyl)phenyl)-1H-pyrazol-5-ylcarbamate (113 mg, 2.80 mmol, 58%). 1H NMR (300 MHz, DMSO-d6) δ 10.20 (br s, 1H), 7.93 (d, 2H), 7.81 (d, 2H), 7.40-7.10 (m, 5H), 6.44 (s, 1H), 1.29 (s, 9H); LC-MS (ESI) m/z 404 (M+H)+.

Provenance & Evidence