Trimellitic anhydride → HCID 777054, compound

Participants

Reaction Steps

4-carboxyphthalic anhydride (0.5 g, 0.0026 mol) and 4-(aminomethyl)benzoic acid (0.39 g, 0.0026 mol) were refluxed as above overnight. Crystallisation of the product from 1,4-dioxane/H2O yielded 0.67 g (79%) of 108 as a white solid: mp=365–366° C.; Rf 0.76 (A): Rf 0.71 (C): Rf 0.50 (D): IR (cm−1): 2800–3100 (OH), 3071 (C═CH), 2678 (C—H), 1782 (C═O), 1712 (bs, C═O), 1611 (C═C), 1577 (C═C), 1428 (C═C), 1391 (C—O), 1300 (C—O), 1105 (C—O), 734 (C═CH); MS m/z (rel intensity) 325 (20), 324 (100).

Provenance & Evidence