Reactivity Switch-Over of 4-Hydroxydithiocoumarin Under Various Conditions and Their Application in Organic Synthesis

4-hydroxydithiocoumarin is a valuable organic precursor to architect important heterocycles. The three different reactive nucleophilic sites at the 4-hydroxydithiocoumarins display intriguing regioselectivity in its reaction towards various electro-philes. Previously, 4-hydroxydithiocoumarins...