Enhancing the enantioselective recognition and sensing of chiral anions by halogen bonding

abstract

Chiral halogen bonding (S)-BINOL-based receptors are demonstrated to enhance the enantioselective recognition and sensing of chiral anions compared to their hydrogen bonding analogues. Computational studies attribute this behaviour to the strict linearity of halogen bonding (XB) and steric environment conferred by the XB donor groups bridged by the (S)-BINOL motif.

keywords

AMINO-ACIDS; RECEPTORS; CATALYSIS; WATER; ION; EXPLORATION; SENSORS; FIELD

subject category

Chemistry

authors

Lim, JYC; Marques, I; Ferreira, L; Felix, V; Beer, PD

our authors

acknowledgements

J. Y. C. Lim thanks A*STAR, Singapore, for a postgraduate scholarship. The theoretical studies were carried out within the scope of the projects iBiMED - Institute of Biomedicine (FCT Ref. UID/BIM/04501/2013), and CICECO - Aveiro Institute of Materials (FCT Ref. UID/CTM/50011/2013), financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the COMPETE2020 Programme and the PT2020 Partnership Agreement. I. M. thanks the FCT for the PhD scholarship SFRH/BD/87520/2012. L. F. thanks FCT for a grant within the project ANR/IMI-MIC/0041/2012.

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