Copper/tBuOOtBu-Catalyzed Regioselective Hydroxylphosphorylation of 1,3-Enynes

A copper/tBuOOtBu-catalyzed regioselective hydroxyphosphorylation of 1,3-enynes is described. The present radical reactions have great functional group tolerance, catalytic amount of copper and tBuOOtBu as the radical initiator, mild reaction conditions and moderate to good isolated yields.