Dynamic Covalently Bonded Rotaxanes Cross‐Linked by Imine Bonds between the Axle and Ring: Inverse Temperature Dependence of Subunit Mobility | Zendy

Kawai Hidetoshi | Zendy; Umehara Takeshi | Zendy; Fujiwara Kenshu | Zendy; Tsuji Takashi | Zendy; Suzuki Takanori | Zendy

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Dynamic Covalently Bonded Rotaxanes Cross‐Linked by Imine Bonds between the Axle and Ring: Inverse Temperature Dependence of Subunit Mobility

Author(s) -

Kawai Hidetoshi,

Umehara Takeshi,

Fujiwara Kenshu,

Tsuji Takashi,

Suzuki Takanori

Publication year - 2006

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.200600750

Subject(s) - rotaxane , axle , covalent bond , imine , ring (chemistry) , molecular machine , chemistry , bond cleavage , cleavage (geology) , dynamic covalent chemistry , crystallography , stereochemistry , materials science , nanotechnology , physics , organic chemistry , thermodynamics , supramolecular chemistry , fracture (geology) , crystal structure , composite material , catalysis

Building bridges : Imine bridges between the axle and ring components in rotaxanes allow simple rotaxane synthesis and a novel method for motion control to be developed. The submolecular mobility in this rotaxane‐type assembly is regulated by the imine‐bond formation/cleavage (see scheme). The relative abundance of the [2]rotaxane increases with decreasing temperature under dynamic equilibrium conditions.

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