Trimellitic anhydride → HCID 21884376, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-6-fluorobenzoxazole (71 mg, 0.25 mmol) and 1,2,4-benzenetricarboxylic anhydride (54 mg, 0.28 mmol) the title compound was obtained (84 mg, 73%). 1H NMR (DMSO) δ 8.41(dd, 1H), 8.36(t, 1H), 8.30(s, 1H), 8.07(m, 2H), 7.84(m, 1H), 7.77(dd, 1H), 7.46(dd, 1H), 7.29(m, 1H), 7.03(d, 1H), 3.34(m, 2H), 1.74(m, 2H), 1.05(t, 3H). MS 458.1 m/z (M−H)−.

Provenance & Evidence