A [2]Pseudorotaxane‐Based Molecular Machine: Reversible Formation of a Molecular Loop Driven by Electrochemical and Photochemical Stimuli | Zendy

Jeon Woo Sung | Zendy; Ziganshina Albina Y. | Zendy; Lee Jae Wook | Zendy; Ko Young Ho | Zendy; Kang JinKoo | Zendy; Lee Chongmok | Zendy; Kim Kimoon | Zendy

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A [2]Pseudorotaxane‐Based Molecular Machine: Reversible Formation of a Molecular Loop Driven by Electrochemical and Photochemical Stimuli

Author(s) -

Jeon Woo Sung,

Ziganshina Albina Y.,

Lee Jae Wook,

Ko Young Ho,

Kang JinKoo,

Lee Chongmok,

Kim Kimoon

Publication year - 2003

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.200351925

Subject(s) - schematic , thread (computing) , intramolecular force , chemistry , electrochemistry , viologen , molecular machine , computer science , photochemistry , nanotechnology , materials science , stereochemistry , electrode , electronic engineering , engineering , operating system

Picking up the thread : A large, reversible change in size as well as shape is observed in a [2]pseudorotaxane‐based molecular machine composed of cucurbit[8]uril (CB[8]; bead) and a hexamethylene‐bridged bisviologen (thread, see schematic representation) on application of external stimuli. The key feature of the machinelike behavior is the reversible formation of a molecular loop by intramolecular pairing of the terminal viologen radical cation units inside CB[8] upon electrochemical or photochemical reduction.

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