Trimellitic anhydride → HCID 21884612, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-5-trifluoromethylbenzoxazole (113 mg, 0.4 mmol) and 1,2,4-benzenetricarboxylic anhydride (96 mg, 0.5 mmol) the title compound was obtained (120 mg, 59%). 1H NMR (DMSO) δ 8.41(m, 2H), 8.30(s, 1H), 8.23(s, 1H), 8.12(d, 1H), 8.07(d, 1H), 7.97(d, 1H), 7.77(d, 1H), 7.49(dd, 1H), 7.04(d, 1H), 3.34(m, 2H) 1.75(m, 2H), 1.06(t, 3H). MS 507.7 m/z (M−H)−.

Provenance & Evidence