Trimellitic anhydride → HCID 21884600, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-propylaminophenyl)-5-phenylbenzoxazole (161 mg, 0.47 mmol) and 1,2,4-benzenetricarboxylic anhydride (90 mg, 0.47 mmol) the title compound was obtained (174 mg, 72%). 1H NMR (DMSO) δ 8.51(t, 1H), 8.42(dd, 1H), 8.31(s, 1H), 8.15(d, 1H), 8.08(m, 2H), 7.77(m, 4H), 7.50(m, 3H), 7.39(t, 1H), 7.03(d, 1H), 3.40(q, 2H), 1.68(m, 2H), 1.34(t, 3H). MS 518 m/z (M+H)+.

Provenance & Evidence