a Longsheng Wanga

Trinity College Dublin, Dublin, Leinster, Ireland

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Publications (1)4.03 Total impact

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    ABSTRACT: New supramolecular luminescent host systems based on 2-cyano-3(4-(diphenylamino) phenyl) acrylic acid (CDPA), a triphenylamine based luminescent acid, and amines (propylamine (1), dimethylaminopyridine, DMAP (2) and (1S,2R)-2-amino-1,2-diphenylethanol (3)) were prepared using a supramolecular approach. For each, the inclusion of amines in the CDPA matrix led to blue shifts in the solid state luminescence. 1 forms a CH3CN-selective, luminescent host and exhibits solvent dependent luminescent changes in the solid state. Crystallisation of CDPA-DMAP from EtOAc (2a) and CH3CN (2b) produces two different solid forms which exhibit slight differences in luminescence (lambda(lmax) at 522 nm and 529 nm, respectively). The chiral luminescent host system (3a) obtained from CH3CN shows robust, reversible CH3CN-selective luminescent sensing (lambda(lmax) at 523 nm (with CH3CN) and 553 nm (without CH3CN)). In this case the luminescence changes with the crystallising solvent (MeOH (3b) and EtOH (3c)).
    Full-text · Article · Sep 2011 · CrystEngComm

Publication Stats

12 Citations
4.03 Total Impact Points

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  • 2011
    • Trinity College Dublin
      • School of Chemistry
      Dublin, Leinster, Ireland