A switchable [2]rotaxane with two active alkenyl groups

A novel functional [2]rotaxane containing two alkenyl bonds was designed, synthesized and characterized by H, C NMR spectroscopy and HRESI mass spectrometry. The introduction of alkenyl bonds endowed the [2]rotaxane a fascinating ability to react with versatile functional groups such as alkenyl and...

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Bibliographic Details
Published in:Beilstein journal of organic chemistry 2018-08, Vol.14 (1), p.2074-2081
Main Authors: Zheng, Xiu-Li, Tao, Rong-Rong, Gu, Rui-Rui, Wang, Wen-Zhi, Qu, Da-Hui
Format: Article
Language:English
Subjects:
Acids
alkenyl bond
Chemistry
Chromatography
Full Research Paper
functional crown ether
Hydrocarbons
Magnetic resonance spectroscopy
Mass spectroscopy
NMR
Nuclear magnetic resonance
Polymers
Smart materials
stimuli-responsiveness
switchable rotaxane
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Summary:A novel functional [2]rotaxane containing two alkenyl bonds was designed, synthesized and characterized by H, C NMR spectroscopy and HRESI mass spectrometry. The introduction of alkenyl bonds endowed the [2]rotaxane a fascinating ability to react with versatile functional groups such as alkenyl and thiol functional groups. The reversible shuttling movement of the macrocycle between two different recognition sites on the molecular thread can be driven by external acid and base. This kind of rotaxane bearing functional groups provides a powerful platform for preparing stimuli-responsive polymers.
ISSN:1860-5397
2195-951X
1860-5397
DOI:10.3762/bjoc.14.181