Synthesis of Certain-4-Quinazolone Derivatives for Pharmacological Study

Ageneral Survey of the different Pharmacological activities of4-Quinazolones is represented.The different methods of preparation of4dervatives have been critically discussed(3H)-quinazotinanedeA detailed discussion ror the experimental results attained with an adeequate interpretation is advanced.Moreover, five of the new prepared compounds were subjected to pharmacological testing and the data obtained are summarizedThe present investigation involved the synthesis of the following unavailable starting materials and intermediates :1- O- tolyl isothocyanate.2- P- tolyl isothiocyanate.