A trans-bidentate bis-pyridinyl ligand with a transition metal hinge†
Abstract
A titanocene based metalloligand, Cp*2Ti(C22-py)2, was synthesized and coordinated to either Cu(I) or Pd(II). The metalloligand binds Cu(I) between its alkynes and Pd(II) between its pyridinyl rings, acting as a trans-bidentate ligand. In order to bind Pd(II), significant structural rearrangements were necessary, which required the flexibility of the C–Ti–C hinge on the titanocene metalloligand.

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