A phototunable anion receptor for C-H••X interactions with benzoate anions

被引:2
作者
Rahaman, Sk. Atiur [1 ]
Hossain, Munshi Sahid [1 ]
Baburaj, Sruthy [1 ]
Biswas, Ankita [1 ]
Bag, Arijit [1 ]
Bandyopadhyay, Subhajit [1 ]
机构
[1] Indian Inst Sci Educ & Res IISER Kolkata, Dept Chem Sci, Nadia 741246, WB, India
关键词
2-DIMENSIONAL POLYMER; BINDING; ANTHRACENE; LIGHT; PHOTODIMERIZATION; PHOTOCYCLODIMERIZATION; PHOTOCYCLOADDITION; PHOTOREACTIONS; FLUORESCENT; SWITCHES;
D O I
10.1039/c9ob00781d
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A supramolecular receptor consisting of two anthracene moieties with binding motifs for binding of benzoate anions is reported here. NMR studies indicate that the binding involves pi-pi interactions and CH center dot center dot center dot X interactions. Upon exposure to >350 nm light, the receptor undergoes a [4 + 4] photoelectrocyclization restricting the access to the binding site for benzoate. The reverse reaction works in the presence of the dual stimuli of 254 nm light and the benzoate anions. The work thus demonstrates a light mediated dynamic control of the binding pocket of a supramolecular anion receptor.
引用
收藏
页码:5153 / 5160
页数:8
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