Carbohydrate Research p. 15 - 22 (2014)
Update date:2022-08-03
Topics:
Tsuruta, Toru
Koyama, Tetsuo
Yasutake, Mikio
Hatano, Ken
Matsuoka, Koji
Chiral dopants based on carbohydrates for nematic liquid crystals were synthesized from d-glucose, and their helical twisting power (HTP) values were evaluated. The chiral dopants induced helices in the host nematic liquid crystals. An acetyl derivative having an ether-type glycosidic linkage between carbohydrate and a mesogenic moiety showed the highest HTP value of 10.4 μm-1, while an acetyl derivative having an anomeric ester-type linkage did not show any HTP. It was surprising that this molecule had no HTP despite the presence of chirality in the molecule. A relationship between HTP and specific rotation was not observed in this study.
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