Phenyl-Extended Resorcin[4]arenes: Synthesis and Highly Efficient Iodine Adsorption

被引:10
|
作者
Li, Dongxia [1 ]
Wu, Gengxin [1 ]
Zhu, Yong-Kang [1 ]
Yang, Ying-Wei [1 ]
机构
[1] Jilin Univ, Coll Chem, Int Joint Res Lab Nanomicro Architecture Chem, 2699 Qianjin St, Changchun 130012, Peoples R China
基金
中国国家自然科学基金;
关键词
Supramolecular chemistry; Synthetic macrocycle; Macrocyclic arenes; Resorcin[4]arene; Iodine adsorption; METAL-ORGANIC FRAMEWORKS; CAPTURE; RECOGNITION;
D O I
10.1002/anie.202411261
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The continuous exploration of new analogs of calixarenes and pillararenes unlocks infinite opportunities in supramolecular chemistry and materials. In this work, we introduce a new class of macrocycle, phenyl-extended resorcin[4]arenes (ExR4), a unique and innovative design that incorporates unsubstituted phenylene moieties into the resorcin[4]arene scaffold. Single-crystal analysis reveals a chair-like conformation for per-methylated ExR4 (Me-ExR4) and a twisted "Figure-of-eight" shaped conformation for per-hydroxylated ExR4 (OH-ExR4). Notably, OH-ExR4 demonstrates exceptional adsorption capability toward I3- ions in an aqueous solution, with a rapid kinetic rate of 1.18x10-2 g & sdot; mg-1 & sdot; min-1. Furthermore, OH-ExR4 shows excellent recyclability and potential as a stationary phase in column setups. The discovery of ExR4 opens up new avenues for constructing new macrocycles and inspires further research in functional adsorption materials for water pollutant removal. A new class of synthetic macrocycles, phenyl-extended resorcin[4]arenes (ExR4), were designed and synthesized. By incorporating unsubstituted phenylene moieties into the resorcin[4]arene scaffold, ExR4 exhibited a flexible backbone. Most importantly, ExR4 displayed remarkable potential in constructing adsorptive materials for iodine capture. image
引用
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页数:8
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