Trimellitic anhydride → HCID 21884392, compound

Participants

Reaction Steps

Prepared by the method of Example 1b), from 2-(5-amino-2-hexylaminophenyl)-5-phenylbenzoxazole (237 mg, 0.61 mmol) and 1,2,4-benzenetricarboxylic anhydride (117 mg, 0.61 mmol) the title compound was obtained (129 mg, 38%). 1H NMR (DMSO) δ 8.46(m, 2H), 8.30(m, 1H), 8.08(m, 2H), 7.80(m, 4H), 7.49(m, 3H), 7.40(m, 1H), 7.02(m, 1H), 3.40(m, 2H), 1.75(m, 2H), 1.41(m, 6H), 0.91(m, 3H). MS 560 m/z (M+H)+.

Provenance & Evidence