3-Nitrophenylboronic Acid → HCID 59804338, compound

Participants

Reaction Steps

A round bottom flask is charged with 3-nitrophenylboronic acid (4.2 g, 25 mmol), dry molecular sieves (5 g), copper acetate (1.95 g, 12.5 mmol) and dry dichloromethane (150 mL). Triethylamine (8.7 mL, 62.5 mmol) is added followed by the addition of 4-fluoro-3-nitroaniline (2.27 g, 12.5 mmol). The resulting mixture is stirred at ambient temperature for three days. The mixture is filtered through celite and washed with EtOAc. The filtrate is concentrated and purified by column chromatography (EtOAc/Hexane=1:3) to give the desired product: 1H NMR (400 MHz, DMSO) δ 9.12 (s, 1 H), 7.82 (m, 1 H), 7.79-7.37 (m, 1 H), 7.73-7.70 (m, 1 H), 7.56-7.49 (m, 4 H); LC-MS: 278.3 (MH+).

Provenance & Evidence