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American Chemical Society, Organometallics, 13(33), p. 3414-3424, 2014

DOI: 10.1021/om5003057

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Synthesis and Characterization of Palladium(II) and Platinum(II) Adducts and Cyclometalated Complexes of 6,6′-Dimethoxy-2,2′-bipyridine: C(sp3)–H and C(sp2)–H Bond Activations

Journal article published in 2014 by Fabio Cocco, Antonio Zucca, Sergio Stoccoro, Maria Serratrice, Annalisa Guerri ORCID, Maria A. Cinellu
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Reactions of 6,6′-dimethoxy-2,2′-bipyridine (bipy 2OMe) with palladium(II) and platinum(II) chlorides or acetates afforded either neutral, [M(bipy 2OMe)Cl 2 ], and cationic, [Pt(bipy 2OMe) 2 ][Pt(DMSO)Cl 3 ] 2 , adducts or cyclo-metalated derivatives [M(bipy OMe,OCH2)X] and [M(bipy 2OMe -H)X] 2 (M = Pd, X = OAc, Cl; M = Pt, X = Cl) arising from respectively C(sp 3)−H and C(sp 2)−H bond activation, depending on the metal precursor, solvent, and other reaction conditions. Cyclometalated complexes of the new ligand 6-hydroxy-6′-methoxy-2,2′-bipyridine (bipy OMe,OH