Cleavage of carbon monoxide and C-C bond formation promoted by rare-earth/ruthenium heterobimetallic hydride complexes

Add time:08/30/2019    Source:sciencedirect.com

Heteromultimetallic hydride complexes consisting of both rare-earth and d-transition metals are expected to exhibit unique reactivity because they have potential to show the synergistic effect of the substantially different types of metal centers. Here we report the reactions of rare-earth/ruthenium heterobimetallic dihydride complexes [Cp*Lu(THF)(μ-H)2(μ-η1:η1-CHRP(CH2R)2)RuCp*] and [(C5Me4SiMe3)Y(DME)(μ-H)2(μ-η1:η1-C6H4PPh2)RuCp*] (R = H, Me; Cp* = C5Me5) with carbon monoxide. C–O bond cleavage and C–C bond formation, as well as P–C bond cleavage of the phosphine ligand occurred through the cooperation of two different metal centers. Dependence of the reaction pattern on the substituents of the phosphine ligands was also observed.

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