Self-Assembly of Molecular Borromean Rings from Bimetallic Coordination Rectangles

In contrast to conventional stepwise synthesis of molecular Borromean rings, a self‐assembly synthetic method which proceeds without the aid of a template has been developed. In the formation of molecular rectangles, by adjustment of the long‐arm length of the rectangles, a series of size‐dependent...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2014-10, Vol.53 (42), p.11218-11222
Main Authors: Huang, Sheng-Li, Lin, Yue-Jian, Li, Zhen-Hua, Jin, Guo-Xin
Format: Article
Language:English
Subjects:
Adjustment
Bimetals
borromean rings
Business
Chemists
coordination compounds
density functional calculations
Formations
Mathematical analysis
Rectangles
Self assembly
supramolecular chemistry
Synthesis
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Summary:In contrast to conventional stepwise synthesis of molecular Borromean rings, a self‐assembly synthetic method which proceeds without the aid of a template has been developed. In the formation of molecular rectangles, by adjustment of the long‐arm length of the rectangles, a series of size‐dependent Borromean‐link frameworks were constructed. Both the shortest length of two arms and the relative proportion of the length of the long arm to that of the short arm play a key role in the formation of Borromean rings. DFT calculations were used to provide theoretical support for the formation of discrete interlocked frameworks. A (Borro)mean business: For chemists, molecular Borromean rings represent a formidable synthetic challenge. Different from their stepwise synthesis with the aid of a well‐known driving force, a self‐assembly method associated with the formation of molecular rectangles is described. DFT calculations were used to provide theoretical support for the formation of these species.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201406193