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Open AccessArticle

Liquid Crystalline Esters of Dibenzophenazines

Department of Chemistry, Simon Fraser University, Burnaby, BC V5A 1S6, Canada
Department of Chemistry, Université Pierre & Marie Curie, Paris 75252, France
Author to whom correspondence should be addressed.
Academic Editor: Ingo Dierking
Materials 2015, 8(1), 270-284;
Received: 31 October 2014 / Accepted: 4 January 2015 / Published: 14 January 2015
A series of esters of 2,3,6,7-tetrakis(hexyloxy)dibenzo[a,c]phenazine-11-carboxylic acid was prepared in order to probe the effects of the ester groups on the liquid crystalline behavior. These compounds exhibit columnar hexagonal phases over broad temperature ranges. Variations in chain length, branching, terminal groups, and the presence of cyclic groups were found to modify transition temperatures without substantially destabilizing the mesophase range. View Full-Text
Keywords: dibenzophenazine; discotic; columnar liquid crystal dibenzophenazine; discotic; columnar liquid crystal
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MDPI and ACS Style

Bozek, K.J.A.; Ho, K.I.; Saint-Martin, T.; Argyropoulos, P.; Williams, V.E. Liquid Crystalline Esters of Dibenzophenazines. Materials 2015, 8, 270-284.

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