 SmI2 is a widely used single electron reductant in organic synthesis. Catalytic amounts of Ni(II) salts drastically increase the rate and selectivity of many Sm(II)-mediated reactions. While synthetically successful, the mechanism is not well-understood.  A mechanistic analysis was undertaken to determine the reactive species in the Sm(II)/Ni(II) system. Results indicate that SmI2 reduces Ni(II) to Ni(0), which then interacts with the substrates.  These findings illustrate a mild and fast preparation of Ni(0), which can be adapted to important Ni(0)-mediated reactions.

Catalytic Ni(II) with SmI<sub>2</sub>: Expanding traditional samarium chemistry

241st National Meeting (2011)

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Catalytic Ni(II) with SmI2: Expanding traditional samarium chemistry

Catalytic Ni(II) with SmI₂: Expanding traditional samarium chemistry