Trimellitic anhydride → HCID 21884590, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-methoxyphenyl)-5-(4-trifluoromethylphenyl)benzoxazole (90 mg, 0.23 mmol) and 1,2,4-benzenetricarboxylic anhydride (45 mg, 0.23 mmol) the title compound was obtained (102 mg, 79%). 1H NMR (DMSO) δ 13.74(s, 1H), 8.43(d, 1H), 8.33(s, 1H), 8.22(d, 1H), 8.20(d, 1H), 8.10(d, 1H), 7.99(d, 2H), 7.93(d, 1H), 7.83(m, 3H), 7.72(dd, 1H), 7.48(d, 1H), 4.03(s, 3H). MS 559.3 m/z (M+H)+.

Provenance & Evidence