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.

引用

页数：5

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