Trimellitic anhydride → HCID 21884606, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-(2-methoxyethoxy)phenyl)-5-phenylbenzoxazole (171 mg, 0.47 mmol) and 1,2,4-benzenetricarboxylic anhydride (90 mg, 0.47 mmol) the title compound was obtained (141 mg, 56%). 1H NMR (DMSO) δ 8.57(dd, 1H), 8.46(s, 1H), 8.34(d, 1H), 8.24(d, 1H), 8.19(d, 1H), 7.97(d, 1H), 7.85(m, 4H), 7.63(t, 3H), 7.53(t, 1H), 4.51(t, 2H), 3.95(t, 2H), 3.52(s, 3H). MS 535 m/z (M+H)+.

Provenance & Evidence