Propargyl α-aryl-α-diazoacetate a new class of reagent is developed for the effective CH bond functionalization of 1,3-diketones at room temperature. The combination of scandium triflate and propargyl α-aryl-α-diazoacetate ...

The traditional intermolecular O–H insertion strategy is typically associated with the reactivity exhibited by the singlet spin state, or it can alter the spin state from triplet to singlet by hydrogen bonding. Herein, we ...