Issue 36, 2019

closo-Carboranes as dual CH⋯π and BH⋯π donors: theoretical study and biological significance

Abstract

In this manuscript the ability of closo-carboranes to establish CH⋯π and BH⋯π interactions with several aromatic moieties exhibiting different electronic natures has been evaluated at the PBE0-D3/def2-TZVP level of theory. We have used the three closo isomers (ortho-, meta-, and para-) and benzene, trifluorobenzene and hexafluorobenzene as aromatic systems. Furthermore, we have used Bader's theory of “atoms in molecules” to further describe and characterize the noncovalent interactions described herein from a charge-density perspective. Finally, several biological examples retrieved from the PDB are also included, highlighting the impact of these interactions in the binding affinity of boron tracedrugs.

Graphical abstract: closo-Carboranes as dual CH⋯π and BH⋯π donors: theoretical study and biological significance

Supplementary files

Article information

Article type
Paper
Submitted
09 Jul 2019
Accepted
21 Aug 2019
First published
21 Aug 2019

Phys. Chem. Chem. Phys., 2019,21, 19944-19950

closo-Carboranes as dual CH⋯π and BH⋯π donors: theoretical study and biological significance

A. Frontera and A. Bauzá, Phys. Chem. Chem. Phys., 2019, 21, 19944 DOI: 10.1039/C9CP03858B

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