3-Chloro-4-fluorophenylboronic Acid (contains varying amounts of Anhydride) → HCID 21884453, compound

Participants

Reaction Steps

Prepared by the method of Example 15d), from 2-(3-nitro-4-methoxyphenyl)-5-bromobenzoxazole (200 mg, 0.57 mmol) and 3-chloro-4-fluorophenylboronic acid (150 mg, 0.85 mmol) the subtitle compound was obtained (163 mg, 72%). 1H NMR (CDCl3) δ 8.74(d, 1H), 8.45(dd, 1H), 7.87(d, 1H), 7.64(m, 2H), 7.52(dd, 1H), 7.49–7.44(m, 1H), 7.28–7.21(m, 2H), 4.08(s, 3H).

Provenance & Evidence