共查询到20条相似文献,搜索用时 15 毫秒
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Dr. Gabriella Cavallo Prof. Dr. Giancarlo Terraneo Alessandro Monfredini Dr. Marco Saccone Prof. Dr. Arri Priimagi Dr. Tullio Pilati Prof. Dr. Giuseppe Resnati Prof. Dr. Pierangelo Metrangolo Prof. Dr. Duncan W. Bruce 《Angewandte Chemie (International ed. in English)》2016,55(21):6300-6304
Unconventional ionic liquid crystals in which the liquid crystallinity is enabled by halogen‐bonded supramolecular anions [CnF2 n+1‐I???I???I‐CnF2 n+1]? are reported. The material system is unique in many ways, demonstrating for the first time 1) ionic, halogen‐bonded liquid crystals, and 2) imidazolium‐based ionic liquid crystals in which the occurrence of liquid crystallinity is not driven by the alkyl chains of the cation. 相似文献
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《Angewandte Chemie (Weinheim an der Bergstrasse, Germany)》2017,129(38):11629-11632
Most alignment media for the residual dipolar coupling (RDC) based molecular structure determination of small organic compounds consist of rod‐like polymers dissolved in organic solvents or of swollen cross‐linked polymer gels. Thus far, the synthesis of polymer‐based alignment media has been a challenging process, which is often followed by a time‐consuming sample preparation. We herein propose the use of non‐polymeric alignment media based on benzenetricarboxamides (BTAs), which self‐assemble into rod‐like supramolecules. Our newly found supramolecular lyotropic liquid crystals (LLCs) are studied in terms of their LLC properties and their suitability as alignment media in NMR spectroscopy. Scalable enantiodifferentiating properties are introduced through a sergeant‐and‐soldier principle by blending achiral with chiral substituted BTAs. 相似文献
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