A modified route to unsymmetrically substituted triphenylenes, new functionalised derivatives and twins, and the smallest reported triphenylene mesogen

Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310, Turner, Rebecca J., Beskeni, Rhoda D. and Almutairi, Tahani (2017) A modified route to unsymmetrically substituted triphenylenes, new functionalised derivatives and twins, and the smallest reported triphenylene mesogen. Liquid Crystals, 44 (12-13). pp. 2018-2028. ISSN 0267-8292

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Abstract

We report the unexpected observation of columnar mesophase formation in a simple 2,7-dibromotetramethoxytriphenylene – by far the most lightly substituted discotic mesogen in this class. This derivative was prepared alongside the 3,6-dibromotriphenylene isomer to demonstrate an alternative, modified synthetic strategy that permits late-stage interchange of alkyl chain substituents. The new method is employed alongside the original route to deliver several new materials, including a conjugated ferrocene-triphenylene-ferrocene triad, a BODIPY-triphenylene-BODIPY triad and a new nematic twin linked through imine bridges.

Item Type:	Article
Uncontrolled Keywords:	john goodby,triphenylenes,discotics,synthesis,functionalisation
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Synthetic Chemistry (former - to 2017) Faculty of Science > Research Groups > Chemistry of Materials and Catalysis Faculty of Science > Research Groups > Chemistry of Light and Energy
Depositing User:	Pure Connector
Date Deposited:	27 Jun 2017 05:07
Last Modified:	25 Sep 2024 12:49
URI:	https://ueaeprints.uea.ac.uk/id/eprint/63890
DOI:	10.1080/02678292.2017.1346210

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