Cooperativity of steric bulk and H-bonding in coordination sphere engineering: heteroleptic PdII cages and bowls by design

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dc.contributor.authorChen, Bin
dc.contributor.authorHolstein, Julian J.
dc.contributor.authorPlatzek, André
dc.contributor.authorSchneider, Laura
dc.contributor.authorWu, Kai
dc.contributor.authorClever, Guido H.
dc.date.accessioned2022-04-20T11:21:45Z
dc.date.available2022-04-20T11:21:45Z
dc.date.issued2022-01-17
dc.description.abstractRecently developed self-assembly strategies allow to rationally reduce the symmetry of metallosupramolecular architectures. In addition, the combination of multiple ligand types without creating compound mixtures has become possible. Among several approaches to realize non-statistical heteroleptic assembly, Coordination Sphere Engineering (CSE) makes use of secondary repulsive or attractive interactions in direct vicinity of the metal nodes. Previously, we used steric congestion to turn dinuclear [Pd2L4] cages with fourfold symmetry into [Pd2L3X2] (X = solvent, halide) bowl structures. Here, we introduce a new subtype of this strategy based on balancing hydrogen bonding and repulsive interactions between ligands carrying quinoline (LQu) and 1,8-naphthyridine (LNa) donors to generate trans-[Pd2L2Image ID:d1sc06931d-t1.gif] and [Pd2L3L′] cages, assisted by templation of encapsulated fullerenes. Combined with steric congestion caused by acridine (LAc) donors, we further report the first example of a heteroleptic [Pd2L2L′X2] bowl. Formation, structure and fullerene binding ability of these metallo-supramolecular hosts were studied by NMR, mass spectrometry and single crystal X-ray diffraction.en
dc.identifier.urihttp://hdl.handle.net/2003/40868
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-22725
dc.language.isoende
dc.relation.ispartofseriesChemical science.;Vol. 2022, issue 6, pp.1829-1834
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/
dc.subjectSupramolecular chemistryen
dc.subjectCoordination sphere engineeringen
dc.subjectSelf assemblyen
dc.subjectNon statistical heteroleptic assemblyen
dc.subjectTemplationen
dc.subject.ddc540
dc.titleCooperativity of steric bulk and H-bonding in coordination sphere engineering: heteroleptic PdII cages and bowls by designen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.openaire.projectidentifierinfo:eu-repo/grantAgreement/EC/H2020/683083/EU/Reactivity and Assembly of Multifunctional, Stimuli-responsive Encapsulation Structures/RAMSESde
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationChemical Science. Vol. 2022, issue 6, pp.1829-1834en
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1039/D1SC06931Dde

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