Synthesis of unsymmetrical dibenzoquinoxaline discotic mesogensElectronic supplementary information (ESI) available: full synthetic and analytical details, POM images. See http://www.rsc.org/suppdata/cc/b4/b400998c/
作者:E. Johan Foster、Jarret Babuin、Natalie Nguyen、Vance E. Williams
DOI:10.1039/b400998c
日期:——
Unsymmetrical dibenzophenazine discotic mesogens were prepared via the corresponding tetraalkoxybenzil derivatives. These dibenzophenazines exhibit Colho phases over extremely broad temperature ranges.
An investigation of the mesogenic properties of dibenzoquinoxaline derivatives
作者:Jarret Babuin、Johan Foster、Vance E. Williams
DOI:10.1016/s0040-4039(03)01798-2
日期:2003.9
The syntheses of two new discotic molecules based on the dibenzoquinoxaline core are reported; comparison of their phase behaviors to a known dinitrile compound demonstrates the importance of specific functional groups in stabilizing columnar mesophases. (C) 2003 Elsevier Ltd. All rights reserved.