Pd(II) coordination sphere engineering: pyridine cages, quinoline bowls, and heteroleptic pills binding one or two fullerenes
| dc.contributor.author | Chen, Bin | |
| dc.contributor.author | Holstein, Julian J. | |
| dc.contributor.author | Horiuchi, Shinnosuke | |
| dc.contributor.author | Hiller, Wolf G. | |
| dc.contributor.author | Clever, Guido H. | |
| dc.date.accessioned | 2019-07-11T09:42:29Z | |
| dc.date.available | 2019-07-11T09:42:29Z | |
| dc.date.issued | 2019-05-08 | |
| dc.description.abstract | Fullerenes and their derivatives are of tremendous technological relevance. Synthetic access and application are still hampered by tedious purification protocols, peculiar solubility, and limited control over regioselective derivatization. We present a modular self-assembly system based on a new low-molecular-weight binding motif, appended by two palladium(II)-coordinating units of different steric demands, to either form a [Pd2L14]4+ cage or an unprecedented [Pd2L23(MeCN)2]4+ bowl (with L1 = pyridyl, L2 = quinolinyl donors). The former was used as a selective induced-fit receptor for C60. The latter, owing to its more open structure, also allows binding of C70 and fullerene derivatives. By exposing only a fraction of the bound guests’ surface, the bowl acts as fullerene protecting group to control functionalization, as demonstrated by exclusive monoaddition of anthracene. In a hierarchical manner, sterically low-demanding dicarboxylates were found to bridge pairs of bowls into pill-shaped dimers, able to host two fullerenes. The hosts allow transferring bound fullerenes into a variety of organic solvents, extending the scope of possible derivatization and processing methodologies. | en |
| dc.identifier.uri | http://hdl.handle.net/2003/38133 | |
| dc.identifier.uri | http://dx.doi.org/10.17877/DE290R-20114 | |
| dc.language.iso | en | de |
| dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
| dc.subject | Supramolecular chemistry | en |
| dc.subject | Self assembly | en |
| dc.subject | Coordination cage | en |
| dc.subject | Coordination bowl | en |
| dc.subject | Fullerene | en |
| dc.subject | Functionalization | en |
| dc.subject | Fullerene separation | en |
| dc.subject.ddc | 540 | |
| dc.title | Pd(II) coordination sphere engineering: pyridine cages, quinoline bowls, and heteroleptic pills binding one or two fullerenes | en |
| dc.type | Text | de |
| dc.type.publicationtype | article | de |
| dcterms.accessRights | open access | |
| eldorado.openaire.projectidentifier | info:eu-repo/grantAgreement/EC/H2020/683083/EU/Reactivity and Assembly of Multifunctional, Stimuli-responsive Encapsulation Structures/RAMSES | de |
| eldorado.secondarypublication | true | de |
| eldorado.secondarypublication.primarycitation | Chen, Bin et al. (2019): Pd(II) coordination sphere engineering: pyridine cages, quinoline bowls, and heteroleptic pills binding one or two fullerenes. J. Am. Chem. Soc. 141, 8907-8913 | de |
| eldorado.secondarypublication.primaryidentifier | doi:10.1021/jacs.9b02207 | de |