Trimellitic anhydride → HCID 21884620, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-amino-4-methoxyphenyl)-6-methylbenzoxazole (58 mg, 0.23 mmol) and 1,2,4-benzenetricarboxylic anhydride (50 mg, 0.26 mmol) the title compound was obtained, 54 mg (55%). 1H NMR (DMSO) δ 8.31(dd, 1H) 8.16(m, 3H), 7.97(d, 1H), 7.50(d, 1H), 7.43(s, 1H), 7.32(d, 1H), 7.08(d, 1H), 3.73(s, 3H), 2.33(s, 3H). MS 427 m/z (M−H)−.

Provenance & Evidence