Coumarin functionalized molecular scaffolds for effectual detection of precarious Fluoride and Cyanide

Fluoride and cyanide contagion in drinking water impose detrimental impacts on human health above their permissible limits. Hence, quantitative detection of these colourless water-soluble toxins has become a societal urge. Even though a plethora of chemosensors have been reported so far for detection of fluoride and cyanide from various matrices, still their applicability is limited to few examples. Neverthless, recent advances in syntheses of coumarin derivatives have shown significant impact on fluoride and cyanide detection. Therefore, this present review briefly enlightens the application of coumarin-coupled molecular scaffolds towards detection of perilous fluoride and cyanide along with their sensing mechanisms in order to develop more innovative, simple, sensitive, real-time responsive and cost-effective coumarin-based supramolecular chemosensors to promote the next generation approaches towards ultra-trace quantitative detection of these toxic anions.