Synthesis and mesomorphic properties of some platinum(II) and oxovanadium(IV) complexes
作者:
B.K. Sadashiva,
Archana Ghode,
期刊:
Liquid Crystals
(Taylor Available online 1994)
卷期:
Volume 16,
issue 1
页码: 33-42
ISSN:0267-8292
年代: 1994
DOI:10.1080/02678299408036518
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The synthesis and mesomorphic properties of a homologous series ofN-(2-hydroxy-4-n-alkoxybenzylidene)-4′'-n-decylphenylanilines and their platinum(II) and oxovanadium(IV) complexes are reported. All the ligands and their metal chelates exhibit enantiotropic mesophases, predominantly smectic A and smectic C phases. The transition temperatures and enthalpies have been determined for most of the compounds. The platinum(II) complexes have higher melting points and mesophase thermal stabilities. However, the oxovanadium(IV) complexes have a wider thermal range for the mesophase. Both platinum(II) and oxovanadium(IV) complexes containing only a chain on the biphenyl moiety exhibit a nematic phase.
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