(4-Methoxyphenyl)boronic acid → 2-(3-Nitro-4-methoxyphenyl)-5-(4-methoxyphenyl)benzoxazole

Participants

Reaction Steps

Prepared by the method of Example 15d), from 2-(3-nitro-4-methoxyphenyl)-5-bromobenzoxazole (200 mg, 0.57 mmol) and 4-methoxyphenylboronic acid (129 mg, 0.85 mmol) the subtitle compound was obtained (193 mg, 60%). 1H NMR (DMSO) δ 8.63(d, 1H), 8.45(dd, 1H), 7.99(d, 1H), 7.83(d, 1H), 7.67(d, 3H), 7.62(d, 1H), 7.05(d, 2H), 4.05(s, 3H), 3.81(s, 3H).

Provenance & Evidence