Trimellitic anhydride → HCID 21884541, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-isopropylphenyl)-5-phenylbenzoxazole (188 mg, 0.55 mmol) and 1,2,4-benzenetricarboxylic anhydride (106 mg, 0.55 mmol) the title compound was obtained (102 mg, 36%). 1H NMR (DMSO) δ 8.42(dd, 1H), 8.32(s, 1H), 8.18(d, 1H), 8.09(m, 2H), 7.85(d, 1H), 7.71(m, 3H), 7.50(m, 3H), 7.39(t, 1H), 4.87(m, 1H), 1.41(d, 6H). MS 519 m/z (M+H)+.

Provenance & Evidence