Trimellitic anhydride → HCID 21884393, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-5-methylbenzoxazole (112 mg, 0.4 mmol) and 1,2,4-benzenetricarboxylic anhydride (96 mg, 0.5 mmol) the title compound was obtained (92 mg, 50%). 1H NMR (DMSO) δ 8.60(t, 1H), 8.41(d, 1H), 8.29(s, 1H), 8.08(m, 2H), 7.54(d, 1H), 7.45(d, 1H), 7.30(t, 1H), 7.22(d, 1H), 6.99(d, 1H), 3.34(m, 2H), 2.59(s, 3H), 1.79(m, 2H), 1.12(t, 3H). MS 454.1 m/z (M−H)−.

Provenance & Evidence