Abstract
Two 2-dicyclohexylphosphino-2′,6′-dimethoxybiphenyl (Sphos) adducts of cyclopalladated arylpyrazine complexes have been synthesized and characterized. Additionally, the structures of both complexes were determined by single-crystal X-ray analysis. These palladacycles are fluorescent in CH2Cl2 at room temperature. They have been applied to the double Suzuki coupling of N-heteroaryl halides with 1,4-benzenediboronic acid, giving the desired products in good yields.
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Acknowledgments
We are grateful to the Innovation Scientists and Technicians Troop Construction Projects of Henan Province, the Aid Project for the Leading Young Teachers in Henan Provincial Institutions of Higher Education of China (2013GGJS–151), and the Science Foundation of Henan Education Department (14A150049 and 15B150008).
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Xiao, ZQ., Xu, C., Li, HM. et al. Two fluorescent cyclopalladated arylpyrazine complexes: synthesis, crystal structures and application in the double Suzuki coupling of N-heteroaryl halides with 1,4-benzenediboronic acid. Transition Met Chem 40, 501–508 (2015). https://doi.org/10.1007/s11243-015-9942-1
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DOI: https://doi.org/10.1007/s11243-015-9942-1