Coumarin (2H-chromen-2-one) and its derivatives have a wide range of biological and pharmaceutical activities. They possess antitumor, anti-HIV, anticoagulant, antimicrobial, antioxidant, and anti-inflammatory activities. | Synthesis spectroscopic dielectric molecular docking and DFT studies of 3E -3- 4-methylbenzylidene -3 4-dihydro2H-chromen-2-one An anticancer agent