Selective recognition of small hydrogen bond acceptors by a calix[6]arene-based molecular container

Roy Lavendomme, Florent Desroches, Steven Moerkerke, Filip Topić, Johan Wouters, Kari Rissanen, Michel Luhmer, Ivan Jabin

Research output: Contribution to journalArticlepeer-review

Abstract

Selective molecular recognition is of primary importance for applications such as sensing and separation of chemicals. This work describes the host-guest and crystallisation properties of a penta-carbamated calix[6]arene designed as a molecular container with a H-donating recognition group directed towards the heart of the cavity. As demonstrated by NMR spectroscopy and X-ray diffraction studies, this macrocyclic receptor can selectively recognise small H-bond acceptors through one or two hydrogen bonds, the guests nesting inside the polyaromatic cavity surrounded by eleven bulky tert-butyl groups.

Original languageEnglish
Pages (from-to)23-29
Number of pages7
JournalSupramolecular Chemistry
Volume32
Issue number1
DOIs
Publication statusPublished - 2 Jan 2020

Funding

This work was supported by the Université libre de Bruxelles (ULB) and the Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA). The crystallographic study benefited from equipment available at UNamur as part of the “Plateforme de Caractérisation PC2” and from valuable technical support of Mrs B. Norberg. We thank Diamond Light Source for time on Beamline I19 (CY21497).

FundersFunder number
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’AgricultureCY21497
Université Libre de Bruxelles

    Keywords

    • Calixarenes
    • host-guest
    • inclusion complexes
    • macrocycles
    • molecular recognition

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