Hydrochloric Acid → 5-(3-Bromophenyl)-1H-1,2,4-triazole

Participants

Reaction Steps

This reaction was carried out as described in Example 40, step b, using 5-(3-bromophenyl)-1-(2-trimethylsilanylethoxymethyl)-1H-[1,2,4]triazole (2.88 g, 8.1 mmol), 2 N HCl (50 ml) and ethanol (50 ml) to yield the title compound (1.62 g, 89%): 1H NMR (360 MHz, DMSO-d6) δ 8.70 (1H, s), 8.16 (1H, s), 8.01 (1H, d, J 7.8 Hz), 7.63 (1H, d, J 7.8 Hz), 7.46 (1H, t, J 7.8 Hz).

Provenance & Evidence