Metal–Organic Proximity in a Synthetic Pocket

Abstract

Proximity between a noninteractive organic substrate and a transition metal (<i>trans</i>-MCl<sub>2</sub>(PEt<sub>3</sub>)<sub>2</sub>; M = Pd or Pt) is achieved by their co-encapsulation within a synthetic cage, as revealed by X-ray crystallographic analysis and NOESY experiments. Through co-encapsulation with a Pd­(II) complex, a terminal alkyne was activated within the cage to give a σ-alkynylpalladium complex

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