Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

A fast-moving [2]rotaxane whose stoppers are remote from the copper complex core.

Ulla Létinois-Halbes1, David Hanss, John M Beierle

  • 1Laboratoire de Chimie Organo-Minérale, Université Louis Pasteur/U.M.R. du CNRS 7513, Institut Le Bel, 4, rue Blaise Pascal, 67070 Strasbourg-Cedex, France.

Organic Letters
|December 16, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Reflections on a Nobel Prize-winning legacy.

Nature reviews. Chemistry·2024
Same author

Robust and scalable single-molecule protein sequencing with fluorosequencing.

bioRxiv : the preprint server for biology·2023
Same author

Metal-Free Polymer-Based Affinity Medium for Selective Purification of His6-Tagged Proteins.

Biomacromolecules·2021
Same author

Unconventional Synthesis of a Cu<sup>I</sup> Rotaxane with a Superacceptor Stopper: Ultrafast Excited-State Dynamics and Near-Infrared Luminescence.

Chemistry (Weinheim an der Bergstrasse, Germany)·2018
Same author

Heteroleptic Copper(I) Pseudorotaxanes Incorporating Macrocyclic Phenanthroline Ligands of Different Sizes.

Journal of the American Chemical Society·2018
Same author

Templated Self-Assembly of Dynamic Peptide Nucleic Acids.

Biochemistry·2017

A novel copper-complexed rotaxane undergoes rapid structural changes upon electrochemical stimulation. This molecular machine demonstrates potential for fast-response systems due to its unique design and rapid ligand exchange. Keywords: copper-complexed rotaxane, molecular machine, electrochemical stimulation, fast response.

Area of Science:

  • Supramolecular Chemistry
  • Materials Science
  • Electrochemistry

Background:

  • Rotaxanes are mechanically interlocked molecules with potential applications in molecular machines.
  • Copper complexes are widely studied for their redox properties and catalytic activity.
  • Controlling molecular rearrangements with external stimuli is key for developing advanced materials.

Purpose of the Study:

  • To synthesize and characterize a new copper-complexed rotaxane.
  • To investigate the electrochemical behavior and stimulus-induced rearrangements of the rotaxane.
  • To evaluate the potential of this system for fast-response applications.

Main Methods:

  • Synthesis of a copper-complexed rotaxane featuring a 2,2'-bipyridine derivative ring.

Related Experiment Videos

  • Electrochemical analysis to study the redox behavior of the copper center.
  • Investigation of molecular rearrangements triggered by electrochemical oxidation or reduction.

    • Main Results:

    • Successful synthesis of the target copper-complexed rotaxane.
    • Demonstration of electrochemically induced molecular rearrangements.
    • Observation of rapid ligand exchange facilitated by flexible linkers.
    • Achieved response times on the millisecond timescale and below.

    Conclusions:

    • The designed copper-complexed rotaxane functions as a responsive molecular machine.
    • Electrochemical signals effectively control the system's rearrangement.
    • The rotaxane architecture enables rapid responses, suitable for advanced molecular devices.