Endohedral dynamics of push-pull rotor-functionalized cages

被引：26

作者：

Krick, Marcel ^{[1
]}

Holstein, Julian ^{[1
]}

Wuertele, Christian ^{[2
]}

Clever, Guido H. ^{[1
]}

机构：

[1] TU Dortmund Univ, Fac Chem & Chem Biol, Otto Hahn Str 6, D-44227 Dortmund, Germany

[2] Univ Gottingen, Inst Inorgan Chem, Tammannstr 4, D-37077 Gottingen, Germany

来源：

CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 68期

关键词：

METAL-ORGANIC FRAMEWORKS; ENCAPSULATION; MECHANISMS; COMPLEXES; EXCHANGE; LIGANDS; BINDING; KNOTS;

D O I：

10.1039/c6cc04155h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of [Pd2L4] coordination cages featuring endohedral functionalities in central backbone positions was synthesized. Although attached via C=C double bonds, the substituents behave as molecular rotors. This is explained by their pronounced donor-acceptor character which lowers rotational barriers and allows for electronic control over the spinning rates inside the cage. The dynamic behaviour of the free ligands, assembled cages and host-guest complexes is compared with the aid of NMR experiments, X-ray structure analysis and molecular modelling.

引用

页码：10411 / 10414

页数：4

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