Heterobimetallic Rollover
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Abstract
Heterobimetallic complexes with metal centers connected
by a small
delocalized ligand constitute an interesting class of compounds. Here
we report that starting from the mononuclear platinum(II) rollover
complexes [Pt(bipy-H)(L)Cl] (bipy-H = 2,2′-bipyridine C(3′)-N
cyclometalated, L= DMSO, PPh<sub>3</sub>) a second rollover cyclometalation
may produce a series of Pt(II)/Pd(II) heterobimetallic complexes where
the two metals are linked by the planar, highly delocalized, doubly
deprotonated 2,2′-bipyridine
