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Liquid Crystals Volume 18, 1995 - Issue 2
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Original Articles

Star-like discotic liquid crystals

T. Plesnivy Johannes Gutenberg Universität Mainz, Institut für Organische Chemie, J. J. Becher Weg, 18-22, Germany
,
H. Ringsdorf Johannes Gutenberg Universität Mainz, Institut für Organische Chemie, J. J. Becher Weg, 18-22, Germany
,
P. Schuhmacher Johannes Gutenberg Universität Mainz, Institut für Organische Chemie, J. J. Becher Weg, 18-22, Germany
,
U. Nüutz Martin Luther Universität Halle-Wittenberg, Fachbereich Chemie, Mühlpforte 1, 06108, Halle, Germany
&
S. Diele Martin Luther Universität Halle-Wittenberg, Fachbereich Chemie, Mühlpforte 1, 06108, Halle, Germany
Pages 185-190 | Received 09 Jun 1994, Accepted 22 Jul 1994, Published online: 17 Feb 2007
 
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Abstract

The game of molecular engineering of liquid crystalline systems via a combination of molecular architecture and functionalization of mesogens has opened interesting perspectives in the field of liquid crystals. Here we report on the synthesis and characterization of star-like heptameric triphenylenes. The discotic subunits in these molecules have been arranged in a hexagonal fashion around a central discotic core, thus leading to a new type of molecular arrangement for discotic liquid crystals. These oligomers do not crystallize and combine a well-defined structure with a discotic polymer-like processing.

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Related Research Data

Star-shaped oligomers with truxenone centre and triphenylene branches: mesomorphism, optical and electronic properties
Source: Taylor & Francis
Columnar Order in Thermotropic Mesophases
Source: Springer Berlin Heidelberg
A convenient synthesis of a 2,7-difunctional tetra(alkoxy)triphenylene involving 4,4′-diacetoxy-3,3′-dialkoxybiphenyl as a key precursor and its conversion to extended hybrid mesogenic compounds
Source: Informa UK Limited
Triphenylene‐based discotic liquid crystal dimers, oligomers and polymers
Source: Informa UK Limited
Fluoroalkylated discotic liquid crystals
Source: Informa UK Limited
Triphenylene-based discotic liquid crystals: star-shaped oligomers and branched-chain polymers
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