SLIGHTLY BROWN TO BEIGE CRYSTALLINE POWDER
Phthalazine is a heterocyclic organic compound isomeric with quinoxaline, cinnoline and quinazoline. Aminophthalazine compounds serve as effective phosphodiesterase (PDE) inhibitors.
Phthalazine derivatives including copper and platinum complexes were induce the apoptosis in breast cancer cell lines and renal hyperemia.
ChEBI: Phthalazine is an azaarene that is the 2,3-diaza analogue of naphthalene. The parent of the class of phthalazines. It is a mancude organic heterobicyclic parent, a member of phthalazines, an azaarene and an ortho-fused heteroarene.
Phthalazine crystallises from diethyl ether or *benzene, and sublimes under a vacuum. The hydrochloride forms needles from EtOH with m 235-236o(dec) and the picrate has m 208-210o. [Armarego J Appl Chem 11 70 1961, Beilstein 23 H 174, 23 III/IV 1233.]
