Issue 1, 2022

Fluorinated triphenylenes and a path to short tailed discotic liquid crystals: synthesis, structure and transport properties

Abstract

A new synthetic approach for fluorinated alkoxytriphenylene discotic liquid crystals is presented. This methodology exploits the previously described photocyclodehydrofluorination (PCDHF) reaction for the preparation of fluorinated triphenylene derivatives coupled with a variety of nucleophilic aromatic substitution (SNAr) reactions. This particular combination of reactions provides a versatile route to discotic materials with carefully controlled core fluorine and alkoxy tail content. In the course of these studies, new discotic materials with minimal tail content have been revealed. The mesogenic properties of these materials are reported, and their charge transport properties are measured using the time of flight technique.

Graphical abstract: Fluorinated triphenylenes and a path to short tailed discotic liquid crystals: synthesis, structure and transport properties

Supplementary files

Article information

Article type
Paper
Submitted
13 iyl 2021
Accepted
17 noy 2021
First published
24 noy 2021
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2022,3, 534-546

Fluorinated triphenylenes and a path to short tailed discotic liquid crystals: synthesis, structure and transport properties

Z. Li, M. Powers, K. Ivey, S. Adas, B. Ellman, S. D. Bunge and R. J. Twieg, Mater. Adv., 2022, 3, 534 DOI: 10.1039/D1MA00606A

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