Trimellitic anhydride → HCID 21884395, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-methoxyphenyl)-5-(3,5-difluorophenyl)benzoxazole (70 mg, 0.20 mmol) and 1,2,4-benzenetricarboxylic anhydride (38 mg, 0.20 mmol) the title compound was obtained (72 mg, 68%). 1H NMR (DMSO) δ 13.79(s, 1H), 8.42(dd, 1H), 8.33(s, 1H), 8.23(d, 1H), 8.21(d, 1H), 8.10(d, 1H), 7.90(d, 1H), 7.83(dd, 1H), 7.72(dd, 1H), 7.56(m, 2H), 7.48(d, 1H), 7.26(m, 1H), 4.03(s, 3H). MS 527.3 m/z (M+H)+.

Provenance & Evidence