Clever, Guido Heinrich

[["dc.bibliographiccitation.firstpage","15906"],["dc.bibliographiccitation.issue","45"],["dc.bibliographiccitation.journal","Dalton Transactions"],["dc.bibliographiccitation.lastpage","15910"],["dc.bibliographiccitation.volume","42"],["dc.contributor.author","Frank, Marina"],["dc.contributor.author","Dieterich, Johannes M."],["dc.contributor.author","Freye, Sabrina"],["dc.contributor.author","Mata, Ricardo A."],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:29:31Z"],["dc.date.accessioned","2020-05-12T12:28:31Z"],["dc.date.available","2018-11-07T09:29:31Z"],["dc.date.available","2020-05-12T12:28:31Z"],["dc.date.issued","2013"],["dc.description.abstract","Previously, we have reported on the quantitative self-assembly of a series of interpenetrated double-cages [Pd(4)Ligand(8)] with ligands based on various organic backbones. For dibenzosuber-one-based cages it was shown that anion binding in the outer two pockets follows an allosteric mechanism. Herein we wish to report the anion binding capabilities of three related phenothiazine cages. We present a systematic comparison of the relative halide (Cl- and Br-) binding affinities and the structural rearrangements of four double-cages based on NMR titrations, NOESY experiments and electronic structure calculations."],["dc.description.sponsorship","Evonik Foundation; DFG [CL 489/2-1]; FCI"],["dc.identifier.doi","10.1039/c3dt51709h"],["dc.identifier.isi","000326782600016"],["dc.identifier.pmid","23942941"],["dc.identifier.purl","https://resolver.sub.uni-goettingen.de/purl?gs-1/10791"],["dc.identifier.scopus","2-s2.0-84886819111"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/65219"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/31053"],["dc.identifier.url","http://www.scopus.com/inward/record.url?eid=2-s2.0-84886819111&partnerID=MN8TOARS"],["dc.language.iso","en"],["dc.notes.intern","Merged from goescholar"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.relation.eissn","1477-9234"],["dc.relation.issn","1477-9226"],["dc.rights","Goescholar"],["dc.rights.uri","https://goescholar.uni-goettingen.de/licenses"],["dc.title","Relative anion binding affinity in a series of interpenetrated coordination cages"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","29724"],["dc.bibliographiccitation.issue","56"],["dc.bibliographiccitation.journal","RSC Advances"],["dc.bibliographiccitation.lastpage","29728"],["dc.bibliographiccitation.volume","4"],["dc.contributor.author","Schulte, Thorben R."],["dc.contributor.author","Krick, Marcel"],["dc.contributor.author","Asche, Carmen I."],["dc.contributor.author","Freye, Sabrina"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:45:58Z"],["dc.date.available","2018-11-07T09:45:58Z"],["dc.date.issued","2014"],["dc.description.abstract","In order to gain a better understanding of the formation of interpenetrated double-cages [Pd4L8] from banana-shaped ligands and square-planar metal cations, our previously reported dibenzosuberone-based ligand was synthetically modified. We show that the formation of double-cages tolerates a wide range of suberone backbone modifications, as long as the ketone functionality is preserved. Reduction of this group to a CH2-bridge allowed us to form a monomeric [Pd2L4] cage, instead. PM6 and DFT calculations were performed to study the role of the carbonyl group in the formation of double-cages yielding results that are in good agreement with the experiments."],["dc.description.sponsorship","Fonds der Chemischen Industrie; DFG [CL 489/2-1]"],["dc.identifier.doi","10.1039/c4ra04679j"],["dc.identifier.isi","000339669800043"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/34759"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Royal Soc Chemistry"],["dc.relation.issn","2046-2069"],["dc.title","Subtle backbone modifications control the interpenetration of dibenzosuberone-based coordination cages"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","2114"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Chemistry - A European Journal"],["dc.bibliographiccitation.lastpage","2121"],["dc.bibliographiccitation.volume","19"],["dc.contributor.author","Freye, Sabrina"],["dc.contributor.author","Engelhard, David M."],["dc.contributor.author","John, Michael"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:28:35Z"],["dc.date.available","2018-11-07T09:28:35Z"],["dc.date.issued","2013"],["dc.description.abstract","In solution, the eight BF4 counterions of a positively charged D4-symmetric interpenetrated [Pd4ligand8]8+ double cage (1) are localized in distinct positions. At low temperatures, one BF4 ion is encapsulated inside the central pocket of the supramolecular structure, two BF4 ions are bound inside the equivalent outer pockets, and the remaining five BF4 ions are located outside the cage structure (expressed by the formula [3BF4@1][BF4]5). On warming, the two BF4 ions in the outer pockets are found to exchange with the exterior ions in solution whereas the central BF4 ion stays locked inside the central cavity (here written as [BF4@1][BF4]7). The exchange kinetics were determined by exchange spectroscopy (EXSY) NMR experiments and line-shape fitting in different solvents. The tremendously high affinity of this double cage for the binding of two chloride ions inside the outer pockets allows for complete exchange of two BF4 ions by the addition of solid AgCl to give [2Cl+BF4@1][BF4]5. The uptake of the two chloride ions is allosteric and is thus accompanied by a structural rearrangement (compression along the Pd4 axis) of the double cage structure. An analysis by using 900MHz NOESY NMR spectroscopy shows that this compression of about 3.3% is associated with a helical twist of 8 degrees, which together resemble a screw motion. As a consequence of squeezing each of the outer two pockets by 53%, the volume of the central pocket is increased by 43%, which results in an increase of 36% in the 19F spin-lattice relaxation time (T1) of the central BF4 ion. The packing coefficients (PC) for the ions in the outer pockets (103% for BF4 and 96% for Cl) were calculated."],["dc.description.sponsorship","DFG; Fonds der Chemischen Industrie"],["dc.identifier.doi","10.1002/chem.201203086"],["dc.identifier.isi","000314217100032"],["dc.identifier.pmid","23255121"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/30814"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","0947-6539"],["dc.title","Counterion Dynamics in an Interpenetrated Coordination Cage Capable of Dissolving AgCl"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","2191"],["dc.bibliographiccitation.issue","9"],["dc.bibliographiccitation.journal","Angewandte Chemie International Edition"],["dc.bibliographiccitation.lastpage","2194"],["dc.bibliographiccitation.volume","51"],["dc.contributor.author","Freye, Sabrina"],["dc.contributor.author","Hey, Jakob"],["dc.contributor.author","Torras-Galan, Anna"],["dc.contributor.author","Stalke, Dietmar"],["dc.contributor.author","Herbst-Irmer, Regine"],["dc.contributor.author","John, Michael"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:15:28Z"],["dc.date.available","2018-11-07T09:15:28Z"],["dc.date.issued","2012"],["dc.description.sponsorship","CaSuS program of the state of Lower Saxony"],["dc.identifier.doi","10.1002/anie.201107184"],["dc.identifier.isi","000300691900035"],["dc.identifier.pmid","22253128"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/27700"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1433-7851"],["dc.title","Allosteric Binding of Halide Anions by a New Dimeric Interpenetrated Coordination Cage"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","4747"],["dc.bibliographiccitation.issue","19"],["dc.bibliographiccitation.journal","Angewandte Chemie International Edition"],["dc.bibliographiccitation.lastpage","4750"],["dc.bibliographiccitation.volume","51"],["dc.contributor.author","Engelhard, David M."],["dc.contributor.author","Freye, Sabrina"],["dc.contributor.author","Grohe, Kristof"],["dc.contributor.author","John, Michael"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:15:19Z"],["dc.date.available","2018-11-07T09:15:19Z"],["dc.date.issued","2012"],["dc.description.sponsorship","DFG [IRTG 1422]"],["dc.identifier.doi","10.1002/anie.201200611"],["dc.identifier.isi","000303506800049"],["dc.identifier.pmid","22474006"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/27654"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Wiley-v C H Verlag Gmbh"],["dc.relation.issn","1521-3773"],["dc.relation.issn","1433-7851"],["dc.title","NMR-Based Structure Determination of an Intertwined Coordination Cage Resembling a Double Trefoil Knot"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.firstpage","8476"],["dc.bibliographiccitation.issue","23"],["dc.bibliographiccitation.journal","Journal of the American Chemical Society"],["dc.bibliographiccitation.lastpage","8479"],["dc.bibliographiccitation.volume","135"],["dc.contributor.author","Freye, Sabrina"],["dc.contributor.author","Michel, Reent"],["dc.contributor.author","Stalke, Dietmar"],["dc.contributor.author","Pawliczek, Martin"],["dc.contributor.author","Frauendorf, Holm"],["dc.contributor.author","Clever, Guido H."],["dc.date.accessioned","2018-11-07T09:23:41Z"],["dc.date.available","2018-11-07T09:23:41Z"],["dc.date.issued","2013"],["dc.description.abstract","We have previously shown that the self-assembly of dibenzosuberone-based bis-monodentate pyridyl ligands L-1 with Pd-11 cations leads to the quantitative formation of interpenetrated coordination cages [BF4@Pd4L81]. The BF4- anion inside the central cavity serves as a template, causing the outer two pockets to show a tremendous affinity for allosteric binding of two small chloride anions. Here we show that derivatization of the ligand backbone with a bulky aryl substituent allows us to control the dimerization and hence the guest binding ability of the cage by the choice of the templating anion. Steric constraints imposed by L-2 prevent the large BF4- anion from serving as a template for the formation of interpenetrated double cages. Instead, a single isomer of the monomeric cage [Pd2L42] is formed. Addition of the small anionic template Cl- permits dimerization, yielding the interpenetrated double cage [Cl@Pd4L82], whose enlarged outer pockets show a preference for the binding of large anions such as ReO4-."],["dc.description.sponsorship","DFG [CL 489/2-1]; Fonds der Chemischen Industrie"],["dc.identifier.doi","10.1021/ja403184a"],["dc.identifier.isi","000320483900012"],["dc.identifier.pmid","23697828"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/29638"],["dc.notes.status","zu prüfen"],["dc.notes.submitter","Najko"],["dc.publisher","Amer Chemical Soc"],["dc.relation.issn","0002-7863"],["dc.title","Template Control over Dimerization and Guest Selectivity of Interpenetrated Coordination Cages"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.peerReviewed","yes"],["dc.type.status","published"],["dspace.entity.type","Publication"]]