Expedient Synthesis of Heterobifunctional Triarylmethane Stoppers for Macromolecular Rotaxanes.

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2020
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Abstract
Increasingly complex rotaxane-based molecular devices are interfaced with polymers and surfaces, but suitable bifunctional stoppering groups are lacking. Here, we report a two-step, high-yielding synthesis toward a new class of heterobifunctional triarylmethane stoppers. They possess hydroxyl and ester groups for further functionalization as well as halogen substituents conferring a diagnostic spectroscopic signature. Their utility was demonstrated with the synthesis of a chain-centered macromolecular rotaxane. This new stopper architecture should prove useful to connect rotaxanes with polymers and surfaces for applications in polymer mechanochemistry, single-molecule force spectroscopy, smart materials, and molecular machines.
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zhang2020expedientthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhang, Min;Shvetsova, Olga;De Bo, Guillaume;
Journal The Journal of organic chemistry
Year 2020
DOI
10.1021/acs.joc.9b03063
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Keywords
additives circular economy extraction polymers plastic recycling solvent

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