Trimellitic anhydride → HCID 21884358, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-amino-4-methoxyphenyl)-5-chlorobenzoxazole (63 mg, 0.23 mmol) and 1,2,4-benzenetricarboxylic anhydride (50 mg, 0.26 mmol) the title compound was obtained, 62 mg (60%). 1H NMR (DMSO) δ 8.45(dd, 1H), 8.33(m, 3H), 8.12(d, 1H), 7.89(d, 1H), 7.80(d, 1H), 7.47(m, 2H), 3.89(s, 3H). MS 447 m/z (M−H)−.

Provenance & Evidence