Trimellitic anhydride → HCID 58743025, compound

Participants

Reaction Steps

Prepared by the method of Example 15f), from 2-(3-amino-6-propylaminophenyl)-5-(3,4-methylenedioxyphenyl)benzoxazole (157 mg, 0.40 mmol) and 1,2,4-benzenetricarboxylic anhydride (76 mg, 0.40 mmol) the title compound was obtained (82 mg, 36%). 1H NMR (DMSO) δ 13.78(s, 1H), 8.49(t, 1H), 8.42(dd, 1H), 8.30(s, 1H), 8.12(d, 1H), 8.07(d, 1H), 8.00(d, 1H), 7.78(d, 1H), 7.64(dd, 1H), 7.47(dd, 1H), 7.35(d, 1H), 7.24(dd, 1H), 7.04(d, 1H), 7.01(d, 1H), 6.08(s, 2H), 3.35(m, 2H), 1.76(m, 2H), 1.07(t, 3H). MS 562.2 m/z (M+H)+.

Provenance & Evidence