Issue 33, 2012

“Click chemistry” as a versatile route to synthesize and modulate bent-core liquid crystalline materials

Abstract

Three series of bent-shaped compounds containing the 1,2,3-triazole ring in the central core of the molecule have been prepared by the most extended “click chemistry” reaction, the copper-catalyzed azide-alkyne cycloaddition (CuAAC). This research demonstrates the versatility of this synthetic approach with the aim of achieving innovative compact supramolecular organizations. The appropriate combination of the 1,2,3-triazole synthon linked either to a methylene unit (series M) or to a methylenoxycarbonyl block (series MC) has allowed the induction of a variety of non-classical bent-core liquid crystal phases versus the classic mesophases promoted by 1,4-diphenyl-1,2,3-triazole derivatives (series T). Through a suitable selection of common lateral structures connected by “click chemistry” both the transition temperatures and mesomorphism, ranging from lamellar to columnar or B4-like supramolecular liquid crystalline organizations, can be tuned.

Graphical abstract: “Click chemistry” as a versatile route to synthesize and modulate bent-core liquid crystalline materials

Supplementary files

Article information

Article type
Paper
Submitted
05 Jun 2012
Accepted
03 Jul 2012
First published
04 Jul 2012

J. Mater. Chem., 2012,22, 16791-16800

“Click chemistry” as a versatile route to synthesize and modulate bent-core liquid crystalline materials

N. Gimeno, R. Martín-Rapún, S. Rodríguez-Conde, J. L. Serrano, C. L. Folcia, M. A. Pericás and M. B. Ros, J. Mater. Chem., 2012, 22, 16791 DOI: 10.1039/C2JM33612J

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