Synthesis and Phase Behavior Studies of Two New Chiral Liquid Crystals of Schiff Base——The Influence of Intramolecular Hydrogen Bond on the Phase Behavior

高等学校化学研究 ›› 1995, Vol. 11 ›› Issue (2): 145-149.

Synthesis and Phase Behavior Studies of Two New Chiral Liquid Crystals of Schiff Base——The Influence of Intramolecular Hydrogen Bond on the Phase Behavior

TIAN Yan-qing¹, XING Pei-xiang¹, ZHAO Ying-ying¹, TANG Xin-yi¹, SU Feng-yu², ZHAO Xiao-guang², ZHOU En-le²

1. Department of Chemistry, Jilin University, Changchun, 130023;
2. Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, 130022

收稿日期:1994-07-21 出版日期:1995-04-24 发布日期:2011-08-17

Synthesis and Phase Behavior Studies of Two New Chiral Liquid Crystals of Schiff Base——The Influence of Intramolecular Hydrogen Bond on the Phase Behavior

TIAN Yan-qing¹, XING Pei-xiang¹, ZHAO Ying-ying¹, TANG Xin-yi¹, SU Feng-yu², ZHAO Xiao-guang², ZHOU En-le²

1. Department of Chemistry, Jilin University, Changchun, 130023;
2. Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, 130022

Received:1994-07-21 Online:1995-04-24 Published:2011-08-17

摘要/Abstract

摘要： Two new chiral liquid crystals of schiff-base type have been synthesized.This series of compounds contain α-chloro acidic ester chain prepared from commercially available L-valine.Both of the compounds exhibit tilted smectic phases;their phase transitions were studied using DSCand polarized optical microscopy;the influence of intramolecular hydrogen bonds on the phase behavior was studied as well.

关键词: Chiral liquid crystals, Schiff base, Synthesis

Abstract: Two new chiral liquid crystals of schiff-base type have been synthesized.This series of compounds contain α-chloro acidic ester chain prepared from commercially available L-valine.Both of the compounds exhibit tilted smectic phases;their phase transitions were studied using DSCand polarized optical microscopy;the influence of intramolecular hydrogen bonds on the phase behavior was studied as well.

Key words: Chiral liquid crystals, Schiff base, Synthesis

TIAN Yan-qing, XING Pei-xiang, ZHAO Ying-ying, TANG Xin-yi, SU Feng-yu, ZHAO Xiao-guang, ZHOU En-le. Synthesis and Phase Behavior Studies of Two New Chiral Liquid Crystals of Schiff Base——The Influence of Intramolecular Hydrogen Bond on the Phase Behavior[J]. 高等学校化学研究, 1995, 11(2): 145-149.

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Synthesis and Phase Behavior Studies of Two New Chiral Liquid Crystals of Schiff Base——The Influence of Intramolecular Hydrogen Bond on the Phase Behavior

Synthesis and Phase Behavior Studies of Two New Chiral Liquid Crystals of Schiff Base——The Influence of Intramolecular Hydrogen Bond on the Phase Behavior

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