Trimellitic anhydride → HCID 21884481, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(3-amino-4-methoxyphenyl)-5-(2,3-dichlorophenyl)benzoxazole (238 mg, 0.60 mmol) and 1,2,4-benzenetricarboxylic anhydride (119 mg, 0.60 mmol) the title compound was obtained (191 mg, 57%). 1H NMR (DMSO) δ 8.46(dd, 1H), 8.35(m, 3H), 8.13(d, 1H), 7.84(m, 2H), 7.70(m, 1H), 7.47(m, 4H), 3.87(s, 3H). MS 560 m/z (M+H)+.

Provenance & Evidence