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Issue 19, 2011
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Highly ordered π-extended discotic liquid-crystalline triindoles

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New π-extended discotic liquid crystals based on heptacyclic triindole have been synthesized and their mesomorphic behaviour investigated. The synthesis of π-extended compounds was carried out by oxidative cyclodehydrogenation of differently substituted star-shaped hexaaryltriindoles to afford the planar derivatives with an extended core. Extending the conjugation in these materials results in a significant increase in the order and range of the mesophases. The influence of the peripherally attached groups in the mesomorphic and electronic properties offers a great opportunity to further tune the properties of these compounds intended to their incorporation in devices.

Graphical abstract: Highly ordered π-extended discotic liquid-crystalline triindoles

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The article was received on 15 Dec 2010, accepted on 24 Feb 2011 and first published on 21 Mar 2011

Article type: Paper
DOI: 10.1039/C0JM04395H
Citation: J. Mater. Chem., 2011,21, 6831-6836
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    Highly ordered π-extended discotic liquid-crystalline triindoles

    E. M. García-Frutos, A. Omenat, J. Barberá, J. L. Serrano and B. Gómez-Lor, J. Mater. Chem., 2011, 21, 6831
    DOI: 10.1039/C0JM04395H

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