反应详情

The title compound was prepared following procedure described for Intermediate 1, step 2, but starting from 1H-indazole-5-carbonitrile (JW-Pharmalab, 0.50 g; 3.49 mmol) as a beige solid (560 mg, 91%). 1H NMR (DMSO-d6) δ 13.12 (s, 1H), 9.54 (s, 1H), 8.10 (s, 1H), 8.04 (s, 1H), 7.71 (d, J=8.7 Hz, 1H), 7.49 (d, J=8.7 Hz, 1H), 5.82 (bs, 2H).