Supramolecular Polymerization of Pseudo[2]rotaxanes Formation of per-Imidazole Pillar[5]arene-based Host-Guest Complexations and Halogen Bonding Interactions

被引：0
|
作者：
Li, Zhengxiang [1 ]
Cheng, Channi [1 ]
Wang, Kaixuan [1 ]
Zhao, Dezhi [1 ]
Meng, Qingguo [2 ]
Han, Chengyou [1 ]
机构：
[1] China Univ Petr East China, Coll Chem & Chem Engn, Dept Chem, 66 Changjiang West Rd, Qingdao 266580, Peoples R China
[2] Weifang Univ, Coll Chem Engn & Environm Chem, 5147 Dongfeng East St, Weifang 261061, Peoples R China
来源：
CHEMISTRYSELECT | 2024年 / 9卷 / 42期
基金：
中国国家自然科学基金;
关键词：
1,4-Diiodotetrafluorobenzene; 3D supramolecular polymerization; Halogen bonding interactions; Host-guest chemistry; <italic>Per</italic>-imidazole pillar[5]arene; NEUTRAL DINITRILES; EFFECTIVE BINDING;
D O I：
10.1002/slct.202404100
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this study, we reported the construction of 3D supramolecular polymeric networks using per-imidazole pillar[5]arene (DIMP5) as a host and 1,4-diiodotetrafluorobenzene (L) as a halogen bond donor in chloroform. The supramolecular polymerization process was characterized by 1H NMR, 19F NMR spectroscopy, and X-ray single crystal analysis. The C & horbar;I & ctdot;N distance (2.78 & Aring;) and C & horbar;I & ctdot;N angle (177 degrees) clearly indicated the formation of halogen bonds in the crystal structure. Meanwhile, by introducing adiponitrile (G) as the guest, a supramolecular polymerization of pseudo[2]rotaxanes was also prepared, which was driven by DIMP5-based host-guest complexations and halogen bonding interactions.
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页数：5
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