Paramagnetic rod-like liquid crystals with lateral branches: bis{N-alkyl[5-(4-decyloxybenzoyloxy)]salicylaldiminate} copper(II)

Autor:	Eduardo Campillos, Mercedes Marcos, José Luis Serrano
Rok vydání:	1993
Předmět:	chemistry.chemical_classification Schiff base Stereochemistry Substituent Mesophase chemistry.chemical_element General Chemistry Copper chemistry.chemical_compound Crystallography Homologous series chemistry Liquid crystal Materials Chemistry Molecule Alkyl
Zdroj:	Journal of Materials Chemistry. 3:1049
ISSN:	1364-5501 0959-9428
DOI:	10.1039/jm9930301049
Popis:	The synthesis and characterization of a homologous series of copper(II) complexes (CuL2) with a large lateral substituent and of their respective ligands, N-alkyl[5-(4-decyloxybenzoyloxy)]salicylaldimines (LH), are reported. The ligands showed monotropic smectic A mesophases, whereas the copper(II) complexes exhibit monotropic nematic mesophases for n= 3,6,7,8 and 9, enantiotropic smectic C and nematic phases for n= 1, an enantiotropic nematic mesophase when n= 2 and non-liquid-crystal properties for n= 4,5,10,16. The relationship between molecular structure and mesomorphic behaviour is discussed.
Databáze:	OpenAIRE
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