Trimellitic anhydride → HCID 21884642, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-nitro-2-propoxyphenyl)-5-phenylbenzoxazole (125 mg, 0.36 mmol) and 1,2,4-benzenetricarboxylic anhydride (68 mg, 0.36 mmol) the title compound was obtained (37 mg, 21%). 1H NMR (DMSO) δ 8.47(d, 1H), 8.38(s, 1H), 8.25(d, 1H), 8.13(m, 2H), 7.89(d, 1H), 7.76(m, 4H), 7.49(m, 4H), 4.27(t, 2H), 1.92(m, 2H), 1.15(t, 3H). MS 519 m/z (M+H)+.

Provenance & Evidence