Beyond the PN3(P) system: Synthesis of non‐symmetrical PONNP‐pincer ligands and a unique Ni–Ag bimetallic complex containing a short Ag–Ag distance

A 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...

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Bibliographic Details
Published in:Journal of the Chinese Chemical Society (Taipei) 2019-05, Vol.66 (5), p.455-458
Main Authors: Huang, Mei‐Hui, Gonçalves, Théo P., Huang, Kuo‐Wei
Format: Article
Language:English
Subjects:
argentophilic interaction
Bimetals
hybrid spacers
ligand dearomatization
Ligands
Nickel
pincer
Silver
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Summary:A 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. A unique nickel–silver bimetallic complex incorporating a hybrid nonsymmetrical PONNP pincer ligand is synthesized and characterized.
ISSN:0009-4536
2192-6549
DOI:10.1002/jccs.201900024