反应详情

4,4,4-Trifluoro-3-oxo-butyronitrile and phenylhydrazine were combined by the procedure of Example B11 to provide 1-phenyl-3-(trifluoromethyl)-1H-pyrazol-5-amine. 1H-NMR (400 MHz, DMSO-d6) δ 7.59-7.50 (m, 4 H), 7.42 (m, 1 H), 5.78 (s, 1 H), 5.73 (br s, 2 H).