Trimellitic anhydride → HCID 21884437, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-6-methylbenzoxazole (100 mg, 0.33 mmol) and 1,2,4-benzenetricarboxylic anhydride (73 mg, 0.38 mmol) the title compound was obtained (87 mg, 58%). 1H NMR (DMSO) δ 8.47–8.40(m, 2H), 8.30(s, 1H), 8.08–8.06(m, 2H), 7.68(d, 1H), 7.56(s, 1H), 7.44(dd, 1H), 7.23(d, 1H), 7.01(d, 1H), 3.34(m, 2H), 2.46(s, 3H), 1.74(m, 2H), 1.05(t, 3H). MS 454.1 m/z (M−H)−.

Provenance & Evidence