Trimellitic anhydride → HCID 21884589, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-ethylaminophenyl)-5-phenylbenzoxazole (158 mg, 0.48 mmol) and 1,2,4-benzenetricarboxylic anhydride (92 mg, 0.48 mmol) the title compound was obtained (154 mg, 64%). 1H NMR (DMSO) δ 8.42(m, 2H), 8.31(s, 1H), 8.14(d, 1H), 8.07(m, 2H), 7.83(d, 1H), 7.74(m, 3H), 7.50(m, 3H), 7.39(t, 1H), 7.04(d, 1H), 3.48(q, 2H), 1.39(t, 3H). MS 504 m/z (M+H)+.

Provenance & Evidence