Trihydrazone functionalized cyanopyridine discoids: Synthesis, mesogenic and optical properties
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Date
2014
Authors
Ahipa, T.N.
Adhikari, A.V.
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Abstract
A new series of trihydrazone functionalized cyanopyridine derivatives (CPTH-Dm) carrying 3,4-dialkoxyphenyl groups was designed and synthesized successfully as discotic columnar liquid crystals. These new discoid mesogens display hexagonal columnar phase with a wide mesophase range from ambient temperature to 110 C and the observed columnar assembly is due to the presence of intermolecular hydrogen bonds and ?-? interactions in them. Their optical studies reveal that the compounds are good blue light emitters and hence they are potential candidates for OLED device fabrication. � 2013 Elsevier Ltd. All rights reserved.
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Tetrahedron Letters, 2014, Vol.55, 2, pp.495-500