Synthesis and variable-temperature FTIR study of five chiral liquid crystals induced by intermolecular hydrogen bonding |
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| Authors: | Yanqing Tian Fengyu Su Yingying Zhao Xuyang Luo Xinyi Tang Xiaoguang Zhao Enle Zhou |
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| Institution: |
a Department of Chemistry, Jilin University, Changchun, P.R. China
b Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P.R. China |
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| Abstract: | Five new chiral liquid crystal systems induced by intermolecular hydrogen bonding between 4-(s)-2-chloro-3-methyl]butyroyloxy-4'-stilbazole (MBSB, proton acceptor) and 4-alkoxybenzoic acids (nBA, proton donors) were prepared. Their liquid crystalline properties were investigated by DSC and polarized optical microscopy. Chiral nematic and chiral smectic phases were observed, and the thermal stability of one complex was studied through temperature dependent infrared spectroscopy. |
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