Synthesis Of Substituted 4 (3h) Quinazolinones As Beta-adrenergic Blocking Agents

A general survey of the different pharmacological activaties of phthalazine derivativers is represented.The chemistry of phthalazines including their syntheses and chemical properties is discussed.Adetaled discussion for the exeperimental results attained with an adequate interpretation is advanced.Moreover, certain new compound were subjected to pharmacological screening and the results obtained are summarized