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The synthesis and characterization of a series of p-phenyleneethynylene oligomers that contain the 2,2′-bipyridine-5,5′-diyl moiety is reported; metallation of the oligomers with ReI(CO)5Cl and Ru(bpy)2Cl2 yields the corresponding (L)Re(CO)3Cl and (L)Ru(bpy)22+ complexes.
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Ley et al. (1999) studied this question.
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