Temperature-Responsive Chiral (A)6B Supramolecular Cages Based on Conformational Preferences

被引：3
作者：
Chen, Shi-Gui [1 ]
Zhao, Zhi-Xiong [1 ]
Jiang, Xiao-Nan [1 ]
Wang, Lu [1 ]
Zhou, Tian-You [1 ]
Lu, Cheng-Lu [1 ]
Zhao, Xin [1 ]
Jiang, Xi-Kui [1 ]
Ma, Yuguo [2 ]
Wang, Ren-Xiao [1 ]
Li, Zhan-Ting [1 ,3 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Organ Chem, 345 Lingling Lu, Shanghai 200032, Peoples R China
[2] Peking Univ, Coll Chem, Key Lab Polymer Chem & Phys, Beijing Natl Lab Mol Sci,Minist Educ, Beijing 100871, Peoples R China
[3] Fudan Univ, Dept Chem, 220 Handan Rd, Shanghai 200433, Peoples R China
来源：
CHEMISTRY-AN ASIAN JOURNAL | 2016年 / 11卷 / 04期
关键词：
chiral transfer; conformational chirality; conformational preference; supramolecular cages; temperature-responsive; MOLECULAR RECOGNITION; POLYMER NETWORK; ASSEMBLIES; VESICLES; RELEASE; LIGHT; AMPHIPHILES; HYDROGEL;
D O I：
10.1002/asia.201501090
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two chiral (A)(6)B-typed supramolecular cages were constructed from hydrogen-bonded C-6-symmetric zinc porphyrin hexamers and chiral C-3-symmetric pyridyl hexadentates with a core of 1,3,5-triphenylbenzene. Circular dichroism and molecular simulations revealed that the symmetry of the supramolecular cages switched from pseudo-C-3v to C-3 with the rotational confinement of the biphenyl backbones at low temperatures, which generated conformationally chiral transfer and amplification. This unique phenomenon suggests a new strategy to develop smart materials with high sensitivity and excellent reversibility.
引用
收藏
页码：465 / 469
页数：5
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