Trimellitic anhydride → HCID 21884532, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-4-methylbenzoxazole (112 mg, 0.4 mmol) and 1,2,4-benzenetricarboxylic anhydride (96 mg, 0.5 mmol) the title compound was obtained (110 mg, 60%). 1H NMR (DMSO) δ 8.46(t, 1H), 8.41(dd, 1H), 8.03(s, 1H), 8.06(m, 2H), 7.61(m, 2H), 7.44(dd, 1H), 7.22(d, 1H), 7.00(d, 1H), 3.34(m, 2H), 2.44(s, 3H), 1.74(m, 2H), 1.06(t, 3H). MS 453.9 m/z (M−H)−.

Provenance & Evidence