Abstract
4-(4'-Methylbenzylidene)-1-hydroxy-(2)-(N-phthalimidomethyl)-5-imidazolone (2) is now newly synthesized The interactions of 2 with aromatic amines, hydrazines, and aromatic substrates under Friedel-Craft's conditions were studied Also the phthalyl group used as masking group in the preparation of heterocyclic amines.