The effect of the ferrocene unit on mesomorphic properties
作者:
NeilJ. Thompson,
JohnW. Goodby,
KennethJ. Toyne,
期刊:
Liquid Crystals
(Taylor Available online 1993)
卷期:
Volume 13,
issue 3
页码: 381-402
ISSN:0267-8292
年代: 1993
DOI:10.1080/02678299308026312
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The synthesis of a number of 1,1′-disubstituted ferrocene-containing compounds is described; the structures of the compounds containing the ferrocene unit are related to those of mesogenic systems containing a 1,4-disubstituted benzene ring or atrans-1,4-cyclohexyl ring. Direct comparisons are made between the aryl-, cyclohexyl- and ferrocene-containing compounds in order to assess the effect on transition temperatures of replacing a benzene or cyclohexyl ring with a ferrocene unit. In comparison with conventional ring systems the ferrocene unit causes substantial reductions in clearing temperatures.
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