Trimellitic anhydride → HCID 21884333, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-amino-4-methoxyphenyl)benzoxazole (55 mg, 0.23 mmol) and 1,2,4-benzenetricarboxylic anhydride (50 mg, 0.26 mmol) the title compound was obtained, 64 mg (67%). 1H NMR (DMSO) δ 8.45(dd, 1H), 8.32(m, 3H), 8.12(d, 1H), 7.78(m, 2H), 7.49(d, 1H), 7.41(m, 2H), 3.88(s, 3H). MS 413 m/z (M−H)−.

Provenance & Evidence