Supramolecular Tessellations via Pillar[n]arenes-Based Exo–Wall Interactions,Journal of the American Chemical Society

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Supramolecular Tessellations via Pillar[n]arenes-Based Exo–Wall Interactions
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2020-11-27 , DOI: 10.1021/jacs.0c11037
Ming Li ₁ , Bin Hua ₁ , Haozhong Liang ₁ , Jiyong Liu ₁ , Li Shao ₁ , Feihe Huang _{1,

2}

Affiliation

Supramolecular tessellation is a newly emerging and promising area in supramolecular chemistry because of its unique structural aesthetics and potential applications. Herein, we investigate the "exo-wall" interactions of pillar[n]arenes and prepare fantastic hexagonal supramolecular tessellations based on perethylated pillar[6]arenes (EtP6) with electron-deficient molecules 1,5-difluoro-2,4-dinitrobenzene (DFN) and tetrafluoro-1,4-benzoquinone (TFB). The crystal structures clearly confirm that EtP6 can form highly ordered hexagonal 2D tiling patterns with DFN/TFB as linkers through cocrystallization. Moreover, the self-assembled packing arrangements in the ultimate cocrystal superstructures can be adjusted under different crystallization conditions. This work not only explores the rare exo-wall interactions based on pillar[n]arenes but also reports the fabrication of supramolecular tessellations based on pillararenes for the first time, showing a new perspective in supramolecular chemistry.

中文翻译：

通过基于柱 [n] 芳烃的外壁相互作用进行超分子镶嵌

由于其独特的结构美学和潜在的应用，超分子镶嵌是超分子化学中一个新兴和有前途的领域。在此，我们研究了柱[n]芳烃的“外壁”相互作用，并基于全乙基化柱[6]芳烃（EtP6）与缺电子分子1,5-二氟-2,4-二硝基苯制备了奇妙的六方超分子镶嵌(DFN) 和四氟-1,4-苯醌 (TFB)。晶体结构清楚地证实了 EtP6 可以通过共结晶以 DFN/TFB 作为连接体形成高度有序的六边形 2D 平铺图案。此外，最终共晶超结构中的自组装堆积排列可以在不同的结晶条件下进行调整。

更新日期：2020-11-27

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