4-Chlorophenylboronic acid → 2-(3-Nitro-4-methoxyphenyl)-5-(4-chlorophenyl)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-chlorophenylboronic acid (134 mg, 0.85 mmol) the subtitle compound was obtained (148 mg, 68%). 1H NMR (CDCl3) δ 8.74(s, 1H), 8.45(dd, 1H), 7.90(d, 1H), 7.64(d, 1H), 7.55(d, 3H), 7.44(d, 2H), 7.26(d, 1H), 4.07(s, 3H).

Provenance & Evidence