Iodine-catalyzed synthesis of 5-benzoyl-8H-phthalazino[1,2-b]quinazolin-8-one derivatives via a domino reaction involving a benzyl automatic oxidation by oxygen

5-Benzoyl-8H-phthalazino[1,2-b]quinazolin-8-ones are achieved by an iodine-catalyzed reaction of 2-aminobenzohydrazides and 2-alkynylbenzaldehydes in good yields including a noteworthy benzyl automatic oxidation by oxygen.203