Core chirality based tailoring of the liquid crystalline properties of supermolecular tetrapedes
作者:Abdelhak Belaissaoui、Stephen J. Cowling、Isabel M. Saez、John W. Goodby
DOI:10.1039/b927008f
日期:——
of novel supermolecular star-shaped tetrapede chiral liquid crystals (LCs), incorporating carbohydrates, methyl α-D-glucopyranoside or methyl α-D-mannopyranoside, as chiral cores surrounded by four cyanobiphenyl mesogenic groups linked by either C6 or C11 alkyl chain spacers, have been synthesised. These non-conventional thermotropic carbohydrate-based chiral liquid crystals exhibit chiral nematic and
一系列结合碳水化合物的新型超分子星形四足手性液晶(LC), 甲基α- D-吡喃葡萄糖苷 要么 甲基α- D-甘露吡喃糖苷,被四个包围的手性核心 氰基联苯已经合成了通过C6或C11烷基链间隔基连接的介晶基团。这些基于非常规热致碳水化合物的手性液晶在较宽的温度范围内表现出手性向列相和近晶A中间相。通过偏光显微镜(POM)和差示扫描量热法(DSC)表征了介晶性能。除了手性核的立体和构象特性外,还讨论了柔性间隔基长度的影响。