Crossover Phase Behavior (Discotic to Calamitic) in Liquid-Crystalline Copper Complexes. Dependence on the Length and Position of Alkoxy Chains in New Polycatenar Bis[5-(dialkoxybenzylidine)aminotropololonato]copper(II) Complexes

James M. Elliott,† John R. Chipperfield, and Stephen Clark
Department of Chemistry, University of Hull, Hull HU6 7RX, U.K.
Ekkehard Sinn*
Department of Chemistry, University of MissouriRolla, Rolla, Missouri 65409
Inorg. Chem., 2001, 40 (25), pp 6390–6396
DOI: 10.1021/ic001475u
Publication Date (Web): November 6, 2001
Copyright © 2001 American Chemical Society
†

 Present address:  University of Missouri-Rolla.

,
*

In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed.

Abstract

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New polycatenar metallomesogens have been synthesized containing a tropolone core joined to benzylidine terminal rings. Variation of the position, number, and nature of alkoxy substituents on the terminal rings allows for the control of the phase behavior of the compounds. In particular, for copper complexes with 3,4-dialkoxy substitution, a change from calamitic to discotic (columnar) behavior is seen as the chain lengths are increased.

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History

  • Published In Issue December 03, 2001
  • Received December 29, 2000

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