Trimellitic anhydride → HCID 21884416, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-butylaminophenyl)-5-phenylbenzoxazole (409 mg, 1.14 mmol) and 1,2,4-benzenetricarboxylic anhydride (219 mg, 1.14 mmol) the title compound was obtained (390 mg, 64%). 1H NMR (DMSO) δ 8.71(t, 1H), 8.65(dd, 1H), 8.36(d, 1H), 8.29(m, 2H), 8.08(d, 1H), 8.00(d, 2H), 7.93(dd, 1H), 7.73(m, 3H) 7.62(t, 1H), 7.27(d, 1H), 3.60(m, 2H), 1.97(q, 2H), 1.74(m, 2H), 1.22(t, 3H) MS 532 m/z (M+H)+.

Provenance & Evidence