Trimellitic anhydride → HCID 21884569, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-aminophenyl)benzoxazole-7-carboxylic acid (100 mg, 0.39 mmol) and 1,2,4-benzenetricarboxylic anhydride (75 mg, 0.39 mmol) the title compound was obtained, (148 mg, 32%). 1H NMR (DMSO) δ 8.50(m, 2H), 8.39(m, 2H), 8.17(m, 2H), 8.01(m, 1H), 7.88(m, 2H), 7.63(t, 1H). MS 429 m/z (M+H)+.

Provenance & Evidence