Trimellitic anhydride → HCID 21884466, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-aminophenyl)benzoxazole-6-carboxylic acid (70 mg, 0.27 mmol) and 1,2,4-benzenetricarboxylic anhydride (53 mg, 0.27 mmol) the title compound was obtained (34 mg, 29%). 1H NMR (DMSO) δ 8.38(m, 1H), 8.31(m, 2H), 8.06(dd, 1H), 7.92(m, 2H), 7.86(s, 1H), 7.78(m, 3H). MS 429 m/z (M+H)+.

Provenance & Evidence