Stable Luminescent [Cu(NN)(PP)] + Complexes Incorporating a β‐Cyclodextrin‐Based Diphosphane Ligand with Metal‐Confining Properties - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Angewandte Chemie International Edition Année : 2023

Stable Luminescent [Cu(NN)(PP)] + Complexes Incorporating a β‐Cyclodextrin‐Based Diphosphane Ligand with Metal‐Confining Properties

Résumé

A β-cyclodextrin-based diphosphane with metal-confining properties was efficiently synthesized thanks to an unprecedented Smiles-like rearrangement of diphenyl-(2-phosphanylphenyl)phosphane in the presence of excess n-BuLi. The cis-chelating bidentate ligand is capable of forming very stable heteroleptic [Cu(NN)(PP)]+ complexes in which a metal-bound diimine ligand (bpy, phen, or mmp) is located within the cyclodextrin cavity. As a result of ligand encapsulation, flattening of the metal tetrahedral geometry in the excited state is disfavored, thereby resulting in enhanced luminescent properties.
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Dates et versions

hal-03962970 , version 1 (07-03-2023)

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Tuan‐anh Phan, Nicola Armaroli, Alejandra Saavedra Moncada, Elisa Bandini, Béatrice Delavaux-Nicot, et al.. Stable Luminescent [Cu(NN)(PP)] + Complexes Incorporating a β‐Cyclodextrin‐Based Diphosphane Ligand with Metal‐Confining Properties. Angewandte Chemie International Edition, 2023, 62 (6), pp.e202214638. ⟨10.1002/anie.202214638⟩. ⟨hal-03962970⟩
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