Development in SmI 2 Catalyzed Reactions

Samarium diiodide (SmI 2 ) is a versatile single electron transfer (SET) reagent in organic synthesis. The advantages of SmI 2 arise from various additive induced tailoring of reactions to obtain the desired products in a stereoselective fashion. In most instances, this reagent is used in stoichiometric amount, and this poses a significant environmental issue limiting a broader applicability of SmI 2 . Despite challenges in the developments of catalytic methods, recent studies have paved the way for catalytic strategies rejuvenating the applications of SmI 2 in synthetic organic chemistry. This review aims to summarize different methods that are used to develop catalytic reactions of SmI 2 . A comparison of different approaches and future outlook of this field are discussed.