Trimellitic anhydride → HCID 21884614, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-amino-4-methoxyphenyl)naphth[2,3-d]oxazole (67 mg, 0.23 mmol) and 1,2,4-benzenetricarboxylic anhydride (50 mg, 0.26 mmol) the title compound was obtained, 40 mg (37%). 1H NMR (DMSO) δ 8.34(m, 4H), 8.24(d, 1H), 8.15(s, 1H), 8.01(m, 3H), 8.43(m, 3H), 3.81(s, 3H). MS 463 m/z (M−H)−.

Provenance & Evidence