Trimellitic anhydride → HCID 21884542, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-methoxyphenyl)-5-(4-chlorophenyl)benzoxazole (75 mg, 0.21 mmol) and 1,2,4-benzenetricarboxylic anhydride (41 mg, 0.21 mmol) the title compound was obtained (105 mg, 45%). 1H NMR (DMSO) δ 13.72(s, 1H), 8.42(dd, 1H), 8.32(s, 1H), 8.20(d, 1H), 8.09(m, 2H), 7.87(d, 1H), 7.78(d, 2H), 7.72(m, 2H), 7.54(d, 2H), 7.48(d, 1H), 4.04(s, 3H). MS 525.3 m/z (M+H)+.

Provenance & Evidence