Laterally substituted symmetric and nonsymmetric salicylideneimine-based bent-core mesogens.

ABSTRACT: Bent-core mesogens have gained considerable importance due to their ability to form new mesophases with unusual properties. Relationships between the chemical structure of bent-core molecules and the type and physical properties of the formed mesophases are relatively unknown in detail and differ strongly from those known for calamitic liquid crystals. In this paper symmetric and nonsymmetric five-ring salicylideneaniline-based bent-core mesogens are presented, and the effect of lateral substituents attached at the outer phenyl rings (F, Cl, Br) or the central phenyl ring (CH(3)) on the liquid-crystalline behaviour and on the physical properties is studied. Corresponding benzylideneaniline-based compounds were additionally prepared in order to study the influence of the intramolecular hydr

SUBMITTER: Findeisen-Tandel S 

PROVIDER: S-EPMC3302074 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature