Trimellitic anhydride → HCID 58743033, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-(4-morpholinyl)phenyl)-5-phenylbenzoxazole (175 mg, 0.47 mmol) and 1,2,4-benzenetricarboxylic anhydride (90 mg, 0.47 mmol) the title compound was obtained (136 mg, 53%). 1H NMR (DMSO) δ 8.43(dd, 1H), 8.32(s, 1H), 8.18(d, 1H), 8.09(m, 2H), 7.90(d, 1H), 7.75(m, 3H), 7.65(dd, 1H), 7.50(t, 2H), 7.38(m, 2H), 3.80(m, 4H), 3.05(m, 4H). MS 546 m/z (M+H)+.

Provenance & Evidence