Electrochemically induced, metal free synthesis of 2-substituted chroman-4-ones

Electrochemically induced, decarboxylative functionalization of chromone-3-carboxylic acids by N-hydroxyphthalimide esters as alkyl radical precursors was studied. Electrochemical protocol offers a sustainable and green approach, obviating the need for catalysts, relying on the direct reduction of NHPI esters using electric current. Developed protocol provides a straightforward route to the synthesis of diverse molecules with potential biological activity.