Trimellitic anhydride → HCID 21884332, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-butoxyphenyl)-5-phenylbenzoxazole (174 mg, 0.49 mmol) and 1,2,4-benzenetricarboxylic anhydride (94 mg, 0.49 mmol) the title compound was obtained (146 mg, 56%). 1H NMR (DMSO) δ 8.44(dd, 1H), 8.32(s, 1H), 8.18(d, 1H), 8.12(d, 1H), 8.05(d, 1H), 7.82(d, 1H), 7.71(m, 4H), 7.48(m, 3H), 7.39(t, 1H), 4.25(t, 2H), 1.83(m, 2H), 1.58(m, 2H), 1.00(t, 3H). MS 533 m/z (M+H)+.

Provenance & Evidence