首页> 外文期刊>Chemistry: A European journal >Self-assembly of semifluorinated dendrons attached to electron-donor groups mediates their pi-stacking via a helical pyramidal column
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Self-assembly of semifluorinated dendrons attached to electron-donor groups mediates their pi-stacking via a helical pyramidal column

机译:连接到电子给体基团上的半氟化树枝状分子的自组装通过螺旋锥塔介导其pi堆积

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摘要

Semifluorinated first-generation self-assembling dendrons attached via a flexible spacer to electron-donor molecules induce pi-stacking of the donors in the center of a supramolecular helical pyramidal column. helical pyramidal columns self-organize in various columnar liquid crystal phases that mediate self-processing of large single crystal liquid crystal domains of columns and self-repair their intracolumnar structural defects. In addition, all supramolecular columns exhibit a columnar phase at lower temperatures that maintains the helical pyramidal columnar supramolecular structure and displays higher intracolumnar order than that in the liquid crystals phases. The results described here demonstrate the universality of this concept, the power of the fluorous phase or the fluorophobic effect in selfassembly and the unexpected generality of pyramidal liquid crystals.
机译:半氟化的第一代自组装树突通过柔性间隔基连接到电子供体分子上,诱导了供体在超分子螺旋锥柱中心的pi堆积。螺旋锥形塔在各种柱状液晶相中自组织,介导柱的大型单晶液晶域的自处理并自我修复其柱内结构缺陷。此外,所有超分子柱在较低温度下均呈现柱状相,该柱状相保持螺旋锥状柱状超分子结构,并且比液晶相显示更高的柱内级。此处描述的结果证明了该概念的普遍性,自组装中的氟相的功率或疏氟效应以及金字塔型液晶的出乎意料的普遍性。

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