Trimellitic anhydride → HCID 21884423, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-pentylaminophenyl)-5-phenylbenzoxazole (239 mg, 0.64 mmol) and 1,2,4-benzenetricarboxylic anhydride (123 mg, 0.64 mmol) the title compound was obtained (114 mg, 33%). 1H NMR (DMSO) δ 8.48(t, 1H), 8.43(dd, 1H), 8.30(s, 1H), 8.14(d, 1H), 8.07(m, 2H), 7.83(d, 1H), 7.74(m, 3H), 7.48(m, 3H), 7.39(t, 1H), 7.02(d, 1H), 3.50(m, 2H), 1.75(q, 2H), 1.43(m, 4H), 0.95(t, 3H). MS 546 m/z (M+H)+.

Provenance & Evidence