Water → HCID 178518854, compound

Participants

Reaction Steps

To a stirred mixture of 7-(2-fluorophenyl)pyrazolo[1,5-d][1,2,4]triazin-2-ol (0.2508 g, 1.09 mmol) in glacial acetic acid (5 ml) was added dropwise bromine (62 μl, 1.20 mmol) and the mixture was stirred at room temperature for 2.25 h. Water (20 ml) was then added and the resulting solid was collected by filtration, washed with water, and dried under vacuum at 50° C. to yield 0.3054 g (91%) of the title compound as a buff solid; 1H NMR (360 MHz, d6-DMSO) δ 7.43-7.50 (2H, m), 7.72 (1H, m), 7.80 (1H, m), 9.40 (1H, s), 12.67 (1H, s).

Provenance & Evidence