Characterisation of Lupeol (A Tri Terpene) Esters As Liquid Crystals

Earlier, phase transition temperatures of triterpene fatty acid esters were studied for a few new triperpenes in this laboratory. In this present investigation, fatty acid esters of lupeol were synthesised and their liquid crystal transition temperatures were determined using a polarising microscope...

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Veröffentlicht in:	Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Molecular crystals and liquid crystals, 1997-12, Vol.308 (1), p.93-97
Hauptverfasser:	Murthy, Y. L. N., Sree, P. Aruna
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Experimental determinations of smectic, nematic, cholesteric, and other structures Liquid crystals lupeol esters Physics Structure of solids and liquids crystallography Synthesis textures transition temperatures
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Beschreibung
Zusammenfassung:	Earlier, phase transition temperatures of triterpene fatty acid esters were studied for a few new triperpenes in this laboratory. In this present investigation, fatty acid esters of lupeol were synthesised and their liquid crystal transition temperatures were determined using a polarising microscope and were further confirmed by differential scanning calorimetry (Perkin-Elmer DSC-4) and the mesophases & the colors of the textures were recorded.
ISSN:	1058-725X
DOI:	10.1080/10587259708045097