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A crab claw shaped molecular receptor for selective recognition of picric acid: supramolecular self-assembly mediated aggregation induced emission and color change

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Abstract

2,6-Pyridine bis(iminoantipyrine) (PyBAP), a crab claw shaped open neutral molecular receptor with multiple non-covalent sites, showed selective recognition of picric acid (PA) through supramolecular interactions that lead to an intermolecular charge transfer induced naked-eye detectable color change both in solution as well as in the solid state and rare turn-on solid state fluorescence. The selective host–guest formation of PyBAP–PA has been confirmed using 1H-NMR, single crystal structural analysis and computational studies.

Graphical abstract: A crab claw shaped molecular receptor for selective recognition of picric acid: supramolecular self-assembly mediated aggregation induced emission and color change

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Publication details

The article was received on 04 Apr 2017, accepted on 01 Jun 2017 and first published on 01 Jun 2017


Article type: Communication
DOI: 10.1039/C7CE00642J
Citation: CrystEngComm, 2017, Advance Article
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    A crab claw shaped molecular receptor for selective recognition of picric acid: supramolecular self-assembly mediated aggregation induced emission and color change

    J. Pitchaimani, A. Kundu, S. Karthikeyan, S. P. Anthony, D. Moon and V. Madhu, CrystEngComm, 2017, Advance Article , DOI: 10.1039/C7CE00642J

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