Trimellitic anhydride → HCID 21884564, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-aminophenyl)-5-chlorobenzoxazole (34 mg, 0.14 mmol) and 1,2,4-benzenetricarboxylic anhydride (30 mg, 0.16 mmol) the title compound was obtained, 38 mg (64%). 1H NMR (DMSO) δ 8.48(dd, 1H), 8.39(bd, 2H), 8.30(dt, 1H), 8.16(d, 1H), 8.00(d, 1H), 7.88(m, 4H), 7.54(dd, 1H). MS 417 m/z (M−H)−.

Provenance & Evidence