Columnar liquid crystalline bis-N-annulated quaterrylenes.

Liquid-crystalline fullerodendrimers which display columnar phases.

[structure: see text] The title compounds were synthesized by applying the 1,3-dipolar cycloaddition reaction of aldehyde-based poly(benzyl ether) dendrimers and sarcosine (N-methylglycine) to [60]fullerene (C(60)). The dendritic building blocks used to functionalize C(60) displayed cubic and hexagonal columnar phases. The fullerene derivatives showed rectangular columnar phases of c2mm symmetry.

Liquid-Crystalline Polyethers Based on Conformational Isomerism Part 22: Hexagonal Columnar Mesophase in Polyethers and Copolyethers Based on 1,4-Bis[2-(4-Hydroxyphenyl)Ethyl]Benzene, 1,2-Bis(4-Hydroxyphenyl)Ethane and 1,9-Dibromononane

Self-assembly of luminescent N-annulated perylene tetraesters into fluid columnar phases.

A new class of N-annulated perylene tetraesters and their N-alkylated derivatives has been synthesized. N-Annulated perylene tetraesters stabilize a hexagonal columnar phase over a broad temperature range. The hexagonal columnar phase exhibited by these compounds shows good homeotropic alignment with few defects. Annulation in the bay region of the perylene tetraesters enhanced the width of the...

Self-association and columnar liquid crystalline phase of cationic alkyl-substituted-bipyridine benzenedithiolato gold(III) complexes.

The introduction of a Au(III) ion into a mesogenic core, [M(Bdt)(Cnbpy)](+) (Bdt = 1,2-benzenedithiolato and Cnbpy = 4,4'-di-alkyl-2,2'-bipyridine (n = 13 (4,4'-di-tridecyl-2,2'-bipyridine (C13bpy)) and 8,10 (4,4'-di-(3-octyltridecyl)-2,2'-bipyridine (C8,10bpy)))), leads to the formation of ionic molecular assemblies in crystalline and mesophases. Successive syntheses of precursor complexes, [A...

Liquid-crystalline Janus-type fullerodendrimers displaying tunable smectic-columnar mesomorphism.

Janus-type liquid-crystalline fullerodendrimers were synthesized via the 1,3-dipolar cycloaddtition of two mesomorphic dendrons and C60. By assembling poly(aryl ester) dendrons functionalized with cyanobiphenyl groups, displaying lamellar mesomorphism, with poly(benzyl ether) dendrons carrying alkyl chains, which display columnar mesomorphism, we could tailor by design the liquid-crystalline pr...