4.8 Article

Elongated-Geminiarene: Syntheses, Solid-State Conformational Investigations, and Application in Aromatics/Cyclic Aliphatics Separation

Journal

SMALL
Volume 16, Issue 35, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.202003490

Keywords

elongated-geminiarene; nonporous adaptive crystals; polymorphism; separation materials; solid-state host-guest systems

Funding

  1. National Natural Science Foundation of China [21871108, 51673084]
  2. Jilin Province-University Cooperative Construction Project-Special Funds for New Materials [SXGJSF2017-3]
  3. Jilin University Talents Cultivation Program
  4. Fundamental Research Funds for the Central Universities

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Energy-saving separation and purification of industrially important compounds with similar physical and chemical properties by novel molecular crystalline materials are of great importance and highly desired. Here a newly enlarged version of geminiarene, namely elongated-geminiarene (ElGA), is first designed and synthesized. Taking advantages of both geminiarenes and biphenarenes,ElGAshows great features including scalable synthesis, nanometer-sized cavity, rich blend of conformational features, and excellent solid-state host-guest properties. Significantly, the functional crystalline materials ofElGAare highly effective in the separation of aromatics and cyclic aliphatics, showing a preference for dimethylbenzene over its corresponding hydrogenation products and paving a new avenue for separation science and industry.

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