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1,2-Bis(2-pyridylethynyl)benzene derivatives, having two pyridyl groups and π-conjugated backbone, were prepared from the 1:2 Sonogashira reaction of 1,2-diiodobenzene with 2-alkynyl pyridines. The obtained ligands react with the palladium(II) complexes such as [PdCl 2 (cod)] and [PdCl 2 (MeCN) 2 ] to form the complexes with the ligands coordinated in a trans-chelating bidentate...
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