Issue 9, 2022

Effect of chemical substitution on the construction of boroxine-based supramolecular crystalline polymers featuring B←N dative bonds

Abstract

We report the mechanochemical synthesis of five single-crystalline phenylboroxine and 1,4-diazabicyclo[2.2.2]octane (DABCO) ligand-based adducts, directed by boron–nitrogen dative bonds. By tuning the electronic features of the phenylboroxines by chemical modifications (–H/–OMe/–F/–Cl/–Br) at the para-position, the formation of the resulting bicomponent adducts can be controlled to obtain molecular to 1D polymeric crystalline materials. The electrostatic and quantum topological aspects of the B←N bonds reveal the origin for the different binding modes of the boroxine–DABCO adducts yielding molecular to polymeric structures.

Graphical abstract: Effect of chemical substitution on the construction of boroxine-based supramolecular crystalline polymers featuring B←N dative bonds

Supplementary files

Article information

Article type
Communication
Submitted
30 Dec 2021
Accepted
03 Feb 2022
First published
03 Feb 2022

CrystEngComm, 2022,24, 1695-1699

Effect of chemical substitution on the construction of boroxine-based supramolecular crystalline polymers featuring B←N dative bonds

S. Bhandary, R. Shukla and K. Van Hecke, CrystEngComm, 2022, 24, 1695 DOI: 10.1039/D1CE01739J

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