FERROELECTRIC LIQUID CRYSTALS WITH NEW CHIRAL BUILDING BLOCKS.
Esterification of 4-nitrocinnamoyl chloride by new chiral alcohols((d) and (1) 2-butanol; (d) 2-heptanol), followed by reduction of the nitro group by a new reagent (SnCl//2), gives new chiral 4-aminocinnamates. A comparative study of the mesomorphism of both these compounds and the compounds of the DOBAMBC family is made, in order to evaluate the effect of the chiral building block structure on the liquid crystalline properties. During this study, a new compound has been prepared, which exhibits the smectic O phase: ((d) 1-methylhexyl)terephthalidene Bis 4-aminocinnamate.
Keller
p. 295 - 305
(2007/10/02)
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