Enantiomeric filtration separation of supramolecular framework membranes

A two-dimensional supramolecular framework with a tetragonal structure is constructed via host-guest interaction of a pillar[5]arene grafted polyanion with a modified porphyrin. The membrane of the framework with a chiral counterion exhibits enantiomeric selectivity during the filtration of racemic...

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Published inChemical communications (Cambridge, England) Vol. 59; no. 86; pp. 12895 - 12898
Main Authors Ding, Jingbo, Zhu, Zexi, Wei, Mingfeng, Li, Bao, Wu, Lixin
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 26.10.2023
Subjects
Filtration
Membranes
Polyelectrolytes
Porphyrins
Supramolecular frameworks
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Summary:A two-dimensional supramolecular framework with a tetragonal structure is constructed via host-guest interaction of a pillar[5]arene grafted polyanion with a modified porphyrin. The membrane of the framework with a chiral counterion exhibits enantiomeric selectivity during the filtration of racemic molecules with amino groups, demonstrating broadened potential in chiral separations. A supramolecular framework is constructed through a 4+2 host-guest interaction between pillar[5]arene-modified polyoxometalate and guest-grafting porphyrin for enantiomeric membrane separation via a simple filtration.
Bibliography:https://doi.org/10.1039/d3cc04060g
Electronic supplementary information (ESI) available: Synthesis procedures, additional spectra and experimental details. See DOI
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc04060g