First example of solid-state luminescent borasiloxane-based chiral helices assembled through N–B bonds

Enrico Podda; Simon J. Coles; Peter N. Horton; Paul D. Lickiss; Okpara S. Bull; James B. Orton; Anna Pintus; David Pugh; M. Carla Aragoni; Robert P. Davies

doi:10.1039/D1DT00114K

First example of solid-state luminescent borasiloxane-based chiral helices assembled through N–B bonds†

Enrico Podda,^a Simon J. Coles,

^b Peter N. Horton,^b Paul D. Lickiss,

^c Okpara S. Bull,^c James B. Orton,^b Anna Pintus,^a David Pugh,

^d M. Carla Aragoni

*^a and Robert P. Davies

*^c

Author affiliations

* Corresponding authors

^a Dipartimento di Scienze Chimiche e Geologiche, Università Degli Studi di Cagliari, Cittadella Universitaria, Monserrato-Cagliari, Italy
E-mail: aragoni@unica.it

^b National Crystallography Service, School of Chemistry, University of Southampton, Southampton, UK

^c Molecular Sciences Research Hub, Imperial College London, 82 Wood Lane, White City, London, UK
E-mail: r.davies@imperial.ac.uk

^d Department of Chemistry, Britannia House, 7 Trinity Street, London, UK

Abstract

The reaction between differently substituted borasiloxanes and 2,5-bis(3-pyridylethynyl)thiophene provided the first example of luminescent borasiloxane-based chiral helices held together by N–B bonds. The starting building blocks and the helices were fully characterized, and the nature of the N–B bond rationalized by means of theoretical calculations.

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First example of solid-state luminescent borasiloxane-based chiral helices assembled through N–B bonds†

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First example of solid-state luminescent borasiloxane-based chiral helices assembled through N–B bonds

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