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Keywords:

  • C[BOND]H activation;
  • lanthanides;
  • reduction;
  • samarium;
  • steric effects
Thumbnail image of graphical abstract

C[BOND]H activation and reduction are both apparent in the reaction of [SmIII(AlMe4)3] with the heterocycle (CyNCH2)3 (Cy=cyclohexyl). As shown by N. W. Mitzel and co-workers in their Communication on page 2611 ff., C[BOND]H bonds of methyl groups are activated to form a carbyne complex with an {(HC)Al3Sm} unit, and spontaneous reduction to samarium(II) by methyl groups can also be observed.