Design of zn-, cu-, and fe-coordination complexes confined in a self-Assembled nanocage

Cédric Colomban, Vlad Martin-Diaconescu, Teodor Parella, Sébastien Goeb, Cristina García-Simón, Julio Lloret-Fillol, Miquel Costas, Xavi Ribas

    Research output: Contribution to journalReview articleResearchpeer-review

    10 Citations (Scopus)

    Abstract

    © 2018 American Chemical Society. The encapsulation of coordination complexes in a tetragonal prismatic nanocage (1·(BArF)8) built from Zn-porphyrin and macrocyclic Pd-clip-based synthons is described. The functional duality of the guest ligand L1 allows for its encapsulation inside the cage 1·(BArF)8, along with the simultaneous coordination of ZnII, CuII, or FeIII metal ions. Remarkably, the coordination chemistry inside the host-guest adduct L1âŠ'1·(BArF)8 occurs in both solution solution and solid state. The resulting confined metallocomplexes have been characterized by means of UV-vis, ESI-HRMS, NMR, and EPR techniques. Furthermore, the emission of the Zn-porphyrin fluorophores of 1·(BArF)8 is strongly quenched by the encapsulation of paramagnetic complexes, representing a remarkable example of guest-dependent tuning of the host fluorescence.
    Original languageEnglish
    Pages (from-to)3529-3539
    JournalInorganic Chemistry
    Volume57
    Issue number7
    DOIs
    Publication statusPublished - 2 Apr 2018

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