A facile and efficient addition of isocyanates with epoxides in the presence of MgI2 etherate was reported in good yields. The corresponding 2-oxazolidinone could be easily converted into 1,2,3-triazole-oxazolidinone by click reaction in excellent yield.
Keywords: Isocyanate, epoxide, oxazolidinone, MgI2 etherate, click reaction