VINAMIDINES AND VINAMIDINIUM SALTS - NEW THERMOTROPIC LIQUID-CRYSTALS

Citation
A. Zinsou et al., VINAMIDINES AND VINAMIDINIUM SALTS - NEW THERMOTROPIC LIQUID-CRYSTALS, Liquid crystals, 17(4), 1994, pp. 513-528
Citations number
11
Categorie Soggetti
Crystallography
Journal title
ISSN journal
02678292
Volume
17
Issue
4
Year of publication
1994
Pages
513 - 528
Database
ISI
SICI code
0267-8292(1994)17:4<513:VAVS-N>2.0.ZU;2-T
Abstract
Following studies concerning mesomorphic heteroaromatic salts (pyryliu m, thiopyrylium, dithiolium), we present here new thermotropic liquid crystal materials based on 1,5-diazapentadienium (vinamidinium) salts and on the pseudocyclic vinamidine system (1,5-diazapentadiene). The m esomorphic properties of these systems have been studied by microscopi c observations, DSC and X-ray diffraction.