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Synthesis and Mesomorphism of [N,N′-Bis(3′,4′-didodecyloxyphenyl) diaminoglyoxime] Complexes with Nickel and Palladium

 

作者: G. Gümüş,   V. Ahsen,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  (Taylor Available online 2000)
卷期: Volume 348, issue 1  

页码: 167-178

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008024804

 

出版商: Taylor & Francis Group

 

关键词: Oximes;transition metal complexes;liquid crystal;columnar mesophases

 

数据来源: Taylor

 

摘要:

A newvic-dioxime, [N,N′-Bis(3′,4′-didodecyloxyphenyl)diaminoglyoxime](H2L) has been prepared from 3,4-didodecyloxyaniline and(E.E)-dichloroglyoxime. The(E,E)- and(E,Z)-forms of Ni(II) complex have been isolated, but palladium complex could be isolated only as(E,E)-isomer. The mesomorphic properties of these complexes were investigated by polarizing microscopy, differential scanning calorimetry (DSC) and X-ray diffraction analysis. These complexes form columnar hexagonal disordered (Colhd) mesophases. All complexes are very soluble in common organic solvents.1H and13C NMR, IR, MS and UV/Vis data are presented.

 

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