Trimellitic anhydride → HCID 21884364, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-5-bromobenzoxazole (87 mg, 0.25 mmol) and 1,2,4-benzenetricarboxylic anhydride (54 mg, 0.28 mmol) the title compound was obtained (77 mg, 59%). 1H NMR (DMSO) δ 8.41(dd, 1H), 8.37(t, 1H), 8.30(s, 1H), 8.09–8.05(m, 3H), 7.74(d, 1H), 7,57(dd, 1H), 7.48(dd, 1H), 7.03(d, 1H), 3.34(m, 2H), 1.74(m, 2H), 1.05(t, 3H). MS 518.0 m/z (M−H)−.

Provenance & Evidence