The qualified success and general appeal of Medicinal Chemistry is not only confined to the Indian subcontinent, but it has also won an overwhelming popularity in other parts of the world. Specific care has been taken to maintain and sustain the fundamental philosophy of the textbook embracing rigidly the original pattern and style of presentation with a particular expatiated treatment of synthesis of potential medicinal compounds for the ultimate benefits of the ?teachers and the taught? alike. The present thoroughly revised and skilfully expanded Fourth Edition essentially contains three.