Recognition and order of multiple sidechains by metal–organic framework enhances the separation of hexane isomers

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Abstract: Porous materials perform molecular sorting, separation and transformation by interaction between their framework structures and the substrates. Proteins also interact with molecules to effect chemical transformations, but rely on the precise sequence of the amino acid building units along a common polypeptide backbone to maximise their performance. Design strategies that positionally order sidechains over a defined porous framework to diversify the internal surface chemistry would enhance control of substrate processing. Here we show that different sidechains can be ordered over a metal–organic framework through recognition of their distinct chemistries during synthesis. The sidechains are recognised because each one forces the common building unit that defines the backbone of the framework into a different conformation in order to form the extended structure. The resulting sidechain ordering affords hexane isomer separation performance superior to that of the same framework decorated only with sidechains of a single kind. The separated molecules adopt distinct arrangements within the resulting modified pore geometry, reflecting their strongly differentiated environments precisely created by the ordered sidechains. The development of frameworks that recognize and order multiple sidechain functionality by conformational control offers tailoring of the internal surfaces within families of porous materials to direct interactions at the molecular level.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
Recognition and order of multiple sidechains by metal–organic framework enhances the separation of hexane isomers ; day:21 ; month:10 ; year:2024 ; extent:8
Angewandte Chemie / International edition. International edition ; (21.10.2024) (gesamt 8)

Urheber
Markad, Datta
Kershaw Cook, Laurence J.
Pétuya, Rémi
Yan, Yong
Gilford, Oliver
Verma, Ajay
Mali, Bhupendra P.
Robertson, Craig M.
Berry, Neil G.
Darling, George R.
Dyer, Matthew S.
Antypov, Dmytro
Katsoulidis, Alexandros P.
Rosseinsky, Matthew J.

DOI
10.1002/anie.202411960
URN
urn:nbn:de:101:1-2410221407228.484305174280
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:38 MESZ

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Beteiligte

  • Markad, Datta
  • Kershaw Cook, Laurence J.
  • Pétuya, Rémi
  • Yan, Yong
  • Gilford, Oliver
  • Verma, Ajay
  • Mali, Bhupendra P.
  • Robertson, Craig M.
  • Berry, Neil G.
  • Darling, George R.
  • Dyer, Matthew S.
  • Antypov, Dmytro
  • Katsoulidis, Alexandros P.
  • Rosseinsky, Matthew J.

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