Coumarins are a set of polyphenolic compounds isolated from plant product tonka bean, coumarou
in 1820. They belong to the family of benzopyrones, which includes benzene ring joined with the
aid of a pyrone ring. Coumarins have attracted great attention of medicinal chemists and pharmacologists
in recent years as they been confirmed to bear diverse pharmacological activities like antiinflammatory
and analgesic, anti oxidant, anticancer, etc. This review highlights the method of preparation,
chemical reactivity, and organic properties such as anti-inflammatory, anticoagulant, antioxidant,
anticancer and analgesic activities, of coumarins and their analogues.