Thiophene-3-boronic acid → 2-(3-Nitro-4-(3-thienyl)phenyl)-5-phenylbenzoxazole

Participants

Reaction Steps

Prepared by the method of Example 15d), from 2-(3-nitro-4-chlorophenyl)-5-phenylbenzoxazole (177 mg, 0.51 mmol) and thiophene-3-boronic acid (97 mg, 0.76 mmol) the subtitle compound was obtained (150 mg, 74%). 1H NMR (DMSO) δ 8.67(d, 1H), 8.48(dd, 1H), 8.12(d, 1H), 7.91(m, 2H), 7.83(m, 1H), 7.79–7.77(m, 4H), 7.51(m, 2H), 7.40(t, 1H), 7.22(dd, 1H).

Provenance & Evidence