Citation: Chao Liu, Ruihan Gao, Yunqian Zhang, Qianjiang Zhu, Zhu Tao. Cucurbit[6]uril-based supramolecular frameworks assembled via the outer surface interaction of cucurbit[n]urils[J]. Chinese Chemical Letters, ;2021, 32(1): 362-366. doi: 10.1016/j.cclet.2020.05.014 shu

Cucurbit[6]uril-based supramolecular frameworks assembled via the outer surface interaction of cucurbit[n]urils

Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China

gzutao@263.net

Received Date: 20 March 2020
Revised Date: 6 May 2020
Accepted Date: 9 May 2020
Available Online: 21 May 2020

Figures(5)

Curcurbit[n]uril (Q[n])-based supramolecular frameworks (QSFs) constructed from the outer surface interaction of Q[n]s (OSIQ) have the characteristic of simplicity, diversity and modulability. Their simplicity is reflected in their simple composition and preparation methods used for QSFs. The diversity of supramolecular organic frameworks (SOFs) is reflected in the synthesis methods and structural characteristics of the as-obtained QSFs, as well as the variety of structural directing agents and basic building blocks used to prepare QSFs. The modulability is reflected by the controllable channel size in the QSFs, which can be adjusted using different sizes of Q[n]s. In this work, the first reported cucurbituril Q[6] was selected as the basic building block and three Q[6]-based supramolecular frameworks were obtained from aqueous HCl solutions in the presence of [CdCl₄]^2- respectively. The OSIQs are the main driving forces for the formation of these frameworks. This study shows the diversity of the QSFs.
- Cucurbit[6]uril,
- [CdCl₄]^2- anion,
- Structure directing agent,
- Outer surface interaction of Q[6]s,
- Supramolecular frameworks
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