Abstract
In the present work, a ester of glucose (a) with 4-(4-(ethoxybenzoyloxy) phenoxy) -6-oxohexanoic acid side–arms has been synthesized. Compared with b and c, reported previously, a had the same side-arms but different chiral core. The phase behaviors of three star-shaped liquid crystals (a, b, c) have been compared and studied, and the effect of the different structure of chiral core on the phase behaviors of the star-shaped liquid crystals has been discussed. a, b and c displayed cholesteric phase, unlike the nematic side arm. a, b and c were all laevo-rotationary, unlike their parent cores. The melting temperature of a, b and c decreased with the increase of the sugar ring of the chiral core. The mesomorphic region of a on cooling cycle was wider than that on heating cycle. For b and c, the case was similar.
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