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

Blue-colored donor-acceptor [2]rotaxane.

Taichi Ikeda1, Ivan Aprahamian, J Fraser Stoddart

  • 1California NanoSystems Institute, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095, USA.

Organic Letters
|March 16, 2007
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

Correction to "Photoswitchable Fluorescent Hydrazone for Super-Resolution Cell Membranes Imaging".

Journal of the American Chemical Society·2026
Same author

Cognitive trajectories and mortality risk in older adults: a 9-year follow-up study.

GeroScience·2026
Same author

Why Osteosarcopenia Matters: Clinical and Investigative Implications.

European journal of clinical investigation·2026
Same author

Adverse childhood experiences and sarcopenia: a prospective study embedded in the Canadian Longitudinal Study on Aging.

Age and ageing·2026
Same author

<i>C</i><sub>3</sub>-Symmetric Photoresponsive Chiral Dopants Based on Tribenzotriquinacene.

Journal of the American Chemical Society·2026
Same author

Azobenzene/Triptycene-Based Cholesteric Liquid Crystal Dopants.

Angewandte Chemie (International ed. in English)·2025
Same journal

Acid-Catalyzed Synthesis of C-6-Esterified Sugar Acceptors from Acetals/Ketals Using Esters as Acyl Donors.

Organic letters·2026
Same journal

Asymmetric Hydrophosphination of Quinolinones and Chromones Catalyzed by Chiral Phosphoric Acid.

Organic letters·2026
Same journal

Cellobiose-Derived β-Linked Disaccharide Donor Enables Convergent Syntheses of <i>Acinetobacter baumannii</i> K91 and K25 Capsular Trisaccharides.

Organic letters·2026
Same journal

Iodine-Mediated On-DNA Oxidative Cyclization of 2-Pyridylhydrazones for 1,2,4-Triazolo[4,3-<i>a</i>]pyridines.

Organic letters·2026
Same journal

Manipulating the Activity and Diastereoselectivity of ω-Transaminase for the Synthesis of Bulky Aminopiperidines with Contiguous Stereocenters.

Organic letters·2026
Same journal

Total Synthesis of Voratin C: Formation of the [6,5]-Spiroketal Core through Acid-Mediated Epoxide Cascade Opening.

Organic letters·2026
See all related articles

Researchers synthesized a new molecule and complexed it with a host molecule to create a blue [2]rotaxane. This discovery completes a set of donor-acceptor-based RGB color complexes for advanced materials.

Area of Science:

  • Supramolecular Chemistry
  • Organic Synthesis
  • Materials Science

Background:

  • Host-guest chemistry is crucial for developing sophisticated molecular architectures.
  • Template-directed synthesis offers precise control over molecular assembly.
  • Donor-acceptor interactions are fundamental to charge-transfer phenomena and color generation in materials.

Purpose of the Study:

  • To synthesize a novel bis-N-tetraethyleneglycol-substituted 3,3'-difluorobenzidine derivative as a guest molecule.
  • To investigate the complexation of this guest molecule with cyclobis(paraquat-p-phenylene) host.
  • To utilize the host-guest complex for the template-directed synthesis of a colored [2]rotaxane.

Main Methods:

  • Synthesis of a functionalized benzidine derivative.

Related Experiment Videos

  • Formation of a host-guest complex between the synthesized guest and cyclobis(paraquat-p-phenylene).
  • Template-directed synthesis of a [2]rotaxane using the host-guest complex.

    • Main Results:

    • Successful synthesis of the bis-N-tetraethyleneglycol-substituted 3,3'-difluorobenzidine guest molecule.
    • Formation of a stable host-guest complex.
    • Generation of a blue-colored [2]rotaxane through template-directed synthesis.

    Conclusions:

    • The color of the [2]rotaxane originates from a charge-transfer absorption band between the guest's HOMO and the host's LUMO.
    • This work establishes a new donor-acceptor-based blue color complex.
    • The synthesized host-guest complex and resulting [2]rotaxane complete the set of RGB (red/green/blue) color complexes based on donor-acceptor interactions.