Trimellitic anhydride → HCID 58743024, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-aminophenyl)benzoxazole-6-carboxylic acid methyl ester (100 mg, 0.37 mmol) and 1,2,4-benzenetricarboxylic anhydride (72 mg, 0.37 mmol) the title compound was obtained (148 mg, 90%). 1H NMR (DMSO) δ 8.45(dd, 1H), 8.39(m, 1H), 8.32(m, 3H), 8.13(d, 1H), 8.05(dd, 1H), 7.96(d, 1H), 7.80(m, 2H), 3.91(s, 3H). MS 443 m/z (M+H)+.

Provenance & Evidence