Facile and efficient formation and dissociation of a pseudo[2]rotaxane by a slippage approach using pillar[5]arene-based cyclic host liquid and solvent

A pillar[5]arene-based pseudo[2]rotaxane was synthesized using a slippage method by only heating an axle with bulky valine derivative ends in a cyclic host liquid (CHL), which is liquid at room temperature. The pseudo[2]rotaxane synthesized in a CHL can be converted back to the starting components,...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2016-01, Vol.52 (67), p.1297-13
Main Authors: Ogoshi, Tomoki, Tamura, Yuko, Yamafuji, Daiki, Aoki, Takamichi, Yamagishi, Tada-aki
Format: Article
Language:English
Subjects:
Axles
Derivatives
Formations
Heating
Liquids
Slippage
Solvents
Thermal cycling
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Summary:A pillar[5]arene-based pseudo[2]rotaxane was synthesized using a slippage method by only heating an axle with bulky valine derivative ends in a cyclic host liquid (CHL), which is liquid at room temperature. The pseudo[2]rotaxane synthesized in a CHL can be converted back to the starting components, i.e. , the pillar[5]arene wheel and the axle, by heating in a solvent. A pillar[5]arene-based [2]rotaxane was synthesized by heating an axle with valine ends in a cyclic host liquid.
ISSN:1359-7345
1364-548X
DOI:10.1039/c6cc05514a