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Keywords:

  • cluster compounds;
  • coordination chemistry;
  • gallium;
  • hydrogenolysis;
  • ruthenium

Abstract

Thumbnail image of graphical abstract

All change: Complete ligand exchange through the hydrogenation of [Ru(η4-cod)(η6-cot)] in the presence of GaCp* under mild conditions leads to the title complex featuring a “naked” gallium atom bridging two ruthenium centers (see structure: C white, Ga blue, Ru red). This cluster can be considered as a trapped intermediate on the way to mixed-metal nanoparticles; cot=1,3,5-cyclooctatriene; cod=1,5-cyclooctadiene, Cp*=C5Me5.