Successive photoswitching and derivatization effects in photochromic dithienylethene-based coordination cages

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dc.contributor.authorLi, Ru-Jin
dc.contributor.authorHan, Muxin
dc.contributor.authorTessarolo, Jacopo
dc.contributor.authorHolstein, Julian J.
dc.contributor.authorLübben, Jens
dc.contributor.authorDittrich, Birger
dc.contributor.authorVolkmann, Christian
dc.contributor.authorFinze, Maik
dc.contributor.authorJenne, Carsten
dc.contributor.authorClever, Guido H.
dc.date.accessioned2019-06-13T10:56:26Z
dc.date.available2019-06-13T10:56:26Z
dc.date.issued2019-03-21
dc.description.abstractA new series of [Pd2(L)4] cages based on photochromic dithienylethene (DTE) ligands allowed us to gain insight into the successive photoswitching of multiple DTE moieties in a confined metallo‐supramolecular assembly. Three new X‐ray structures of [Pd2(o‐L4)4], [Pd2(o‐L1)2(c‐L1)2] and [Pd2(c‐L1)4] (o‐L and c‐L = open and closed forms of DTE ligands, respectively) were obtained. The structures deliver snapshots of three different combinations of DTE photoisomeric states within the cage, facilitating a comparison of the all‐open with the all‐closed, and most notably, an intermediate form where open and closed switches co‐exist in the same cage. Moreover, a series of spherical anionic borate clusters was introduced in order to study their roles in the light‐controllable host–guest chemistry. The binding guests show higher affinities with the flexible open cage [Pd2(o‐L1)4] than with the rigid closed cage [Pd2(c‐L1)4]. For the [B12F12]2− guest, thermodynamic data obtained from NMR experiments was compared to results from isothermal titration calorimetry (ITC).en
dc.identifier.urihttp://hdl.handle.net/2003/38093
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-20075
dc.language.isoende
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subjectCoordination cagesen
dc.subjectDithienyletheneen
dc.subjectHost guest systemsen
dc.subjectPhotoswitchesen
dc.subjectSupramolecular chemistryen
dc.subject.ddc540
dc.titleSuccessive photoswitching and derivatization effects in photochromic dithienylethene-based coordination cagesen
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.primarycitationLi, Ru-Jin et al. (2019) Successive photoswitching and derivatization effects in photochromic dithienylethene-based coordination cages. ChemPhotoChem 3, 1-7de
eldorado.secondarypublication.primaryidentifierdoi:10.1002/cptc.201900038de

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