Abstract

AbstractThe photocatalytic decarboxylative alkylation of 3‐cyanochromones using triphenylphosphine and potassium iodide as photoredox‐mediators has been described. The lower price of potassium iodide and triphenylphosphine, compared to standard photocatalysts, make this method cost‐effective and interesting. Visible light, cheap and readily available substrates, anhydrous solvent and inert atmosphere constitute the key parameters for the success of the developed transformation. The developed approach allows for obtaining a number of biologically relevant products with very good yields and benefits from a broad scope.

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