About author : Ramesh Dhani Dept. of Pharmaceutical Chemistry JNTUA-OTRI, India E-mail: dhanipharmachem@gmail.com ABSTRACT Quinazoline is a bicyclic compound earlier known as benzo- 1, 3-diazine. The name quinazolinone (German: Chinazolin) was proposed for its compound by Weddige, on observing that this was isomeric with the then compound cinnoline and quinaoxaline. The numbering of the quinazoline ring system which is currently ... Read More »