Samarium(II) chloride
Samarium chloride is a chemical compound, used as a radical generating agent in the ketone-mediated intraannulation reaction.
Preparation
Reduction of samarium chloride with samarium metal in a vacuum at a temperature of 800 °C to 900 °C, or with hydrogen gas at 350 °C yields samarium chloride:Samarium chloride can also be prepared by reducing samarium chloride with lithium metal/naphthalene in THF:
A similar reaction has been observed with sodium.