Beyond the PN 3 (P) system: Synthesis of non-symmetrical PONNP-pincer ligands and a unique Ni–Ag bimetallic complex containing a short Ag–Ag distance
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AbstractA nonsymmetrical hybrid spacer PONNP pincer ligand is synthesized and fully characterized. The dearomatized PONNP* pincer nickel chloride reacts with silver triflate to generate a unique Ni–Ag bimetallic complex (5). Single-crystal analysis shows a silver–silver distance of 2.693 Å, which is shorter than the typical metallic silver–silver bond length of 2.889 Å, suggesting an argentophilic interaction.
CitationHuang M, Gonçalves TP, Huang K (2019) Beyond the PN 3 (P) system: Synthesis of non-symmetrical PONNP-pincer ligands and a unique Ni–Ag bimetallic complex containing a short Ag–Ag distance. Journal of the Chinese Chemical Society 66: 455–458. Available: http://dx.doi.org/10.1002/jccs.201900024.
SponsorsThis work was supported by the King Abdullah University of Science and Technology.