Trimellitic anhydride → HCID 21884451, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-5-fluorobenzoxazole (114 mg, 0.4 mmol) and 1,2,4-benzenetricarboxylic anhydride (96 mg, 0.5 mmol) the title compound was obtained (107 mg, 58%). 1H NMR (DMSO) δ 8.40(m, 2H), 8.30(s, 1H), 8.08(m, 2H), 7.79(m, 1H), 7.70(dd, 1H), 7.48(dd, 1H), 7.28(m, 1H), 7.05(d, 1H), 3.34(m, 2H), 1.74(m, 2H), 1.05(t, 3H). MS 457.6 m/z (M−H)−.

Provenance & Evidence