Blue Light-Mediated Carbene Transfer Reaction of Thioesters with Diazoesters: Efficient Synthesis of Tetrasubstituted Z-Enol Esters

An efficient metal-free, blue light-mediated carbene transfer reaction of thioesters with diazoesters has been achieved. This protocol produced tetrasubstituted Z -enol esters containing arylsulfur groups in good yields under mild conditions.