Peripheral Templation-Modulated Interconversion between an A4L6 Tetrahedral Anion Cage and A2L3 Triple Helicate with Guest Capture/Release

被引：68

作者：

Bai, Xuemin ^{[1
]}

Jia, Chuandong ^{[1
]}

Zhao, Yanxia ^{[1
]}

Yang, Dong ^{[1
]}

Wang, Shi-Cheng ^{[2
]}

Li, Anyang ^{[1
]}

Chan, Yi-Tsu ^{[2
]}

Wang, Yao-Yu ^{[1
]}

Yang, Xiao-Juan ^{[1
]}

Wu, Biao ^{[1
,3
]}

机构：

[1] Northwest Univ Xian, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710127, Shaanxi, Peoples R China

[2] Natl Taiwan Univ, Dept Chem, Taipei 10617, Taiwan

[3] Lanzhou Univ, State Key Lab Appl Organ Chem, Lanzhou 730000, Gansu, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2018年 / 57卷 / 07期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

anion coordination; multistimuli-responsive behavior; peripheral template ion; self-assembly; tetrahedral anion cage; COORDINATION CAGES; DYNAMIC CONTROL; RECEPTOR; BINDING; LIGHT; TRANSFORMATIONS; CHEMISTRY; RECOGNITION; ASSEMBLIES; COMPLEXES;

D O I：

10.1002/anie.201712080

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An anion-coordination-based A(4)L(6) ("A" denotes anion and "L" is ligand) tetrahedral cage was constructed by a C-2-symmetric bis-bis(urea) ligand and phosphate anion, which showed reversible interconversion with the A(2)L(3) triple helicate as a response to the template, concentration, or solvent. Notably, an unusual "peripheral" templation was found to be critical to stabilize the tetrahedral structure. This peripheral effect was utilized to assemble an "empty" A(4)L(6) cage that allows the multi-stimuli-controlled capture/release of biologically important species such as choline and acetylcholine.

引用

页码：1851 / 1855

页数：5

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