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|Title:||Mesomorphic properties of a homologous series of aryl beta-diketones and a few related derivatives|
Rani Rao, P.
smectic A phase
|Publisher:||Gordon and Breach Science Publishers.|
|Citation:||Molecular Crystals and Liquid Crystals, 1989, Vol.168, p103-109|
|Abstract:||A new homologous series of nine [l-(p-n-alkylbiphenyl)3-(phenyl)propane]1,3-diones have been prepared and their mesomorphic properties studied. The first four homologues in the series exhibit the classical nematic phase and a smectic phase, the next five showing only a smectic phase. The optical textures, miscibility and the X-ray data establish that the smectic phase is of the A1 type. This is perhaps the first instance of a b.beta-diketone exhibiting a nematic as well as a smectic A1 phase. In addition, a few similar isomeric b.beta-diketones have also been synthesized to study the terminal substituent effect on the mesomorphic properties.|
|Copyright:||1989 OPA (Overseas Publishers Association) N.V.|
|Appears in Collections:||Research Papers (SCM)|
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|1989 MCLC V168 p103.pdf|
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