Trimellitic anhydride → HCID 21884487, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-5-chlorobenzoxazole (100 mg, 0.33 mmol) and 1,2,4-benzenetricarboxylic anhydride (69 mg, 0.36 mmol) the title compound was obtained (92 mg, 58%). 1H NMR (DMSO) δ 8.41(dd, 1H), 8.37(t, 1H), 8.09–8.05(m, 2H), 7.92(d, 1H), 7.79(d, 1H), 7.47(m, 2H), 7.03(d, 1H), 3.34(m, 2H), 1.74(m, 2H), 1.05(t, 3H). MS m/z 474.0 (M−H)−.

Provenance & Evidence