Azomesogens with a heterocyclic moiety
- Cite this article as:
- Dave, J.S. & Menon, M. Bull Mater Sci (2000) 23: 237. doi:10.1007/BF02719917
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Azobenzene derivatives were among the first ten liquid crystalline compounds. But there have been no detailed investigations on azomesogens consisting of a heterocyclic moiety. Twelve different azo compounds have been condensed with nicotinic acid to evaluate the effect of variation of terminal group on the monosubstituted pyridine system. The relative thermal stabilities and the variation in the mesomorphic characteristics have also been studied.