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

Solvent-stabilized molecular capsules.

Alexander Shivanyuk1, Jan C Friese, Steve Döring

  • 1The Skaggs Institute for Chemical Biology and The Department of Chemistry, The Scripps Research Institute, MB-26, 10550 North Torrey Pines Road, La Jolla, California 92037, USA.

The Journal of Organic Chemistry
|August 16, 2003
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

Modeling Binding Selectivity of Xylene Isomers in Resorcin[4]arene-Based Organo- and Metallo-Cavitands.

The Journal of organic chemistry·2025
Same author

Acyl migrations sensitive to supramolecular encapsulation.

Chemical communications (Cambridge, England)·2025
Same author

Selective Aliphatic Aldimine Formation and Stabilization by a Hydrophobic Capsule in Water.

Journal of the American Chemical Society·2025
Same author

Recent Applications of Pillararene-Inspired Water-Soluble Hosts.

Chemistry (Weinheim an der Bergstrasse, Germany)·2025
Same author

Recent progress using novel tetraphenylethylene-based macrocyclic hosts in water.

Chemical communications (Cambridge, England)·2024
Same author

Modeling Amine Methylation in Methyl Ester Cavitand.

Chemistry (Weinheim an der Bergstrasse, Germany)·2024
Same journal

Ethanol's Dual Role as a Mediator and Green Solvent in Photocatalytic Hydrogen Atom Transfer-Enabled Formal Ring-Closing Metathesis toward 2-Quinolinones.

The Journal of organic chemistry·2026
Same journal

Scalable Syntheses of Pseudouridine and <i>N</i><sup>1</sup>-Methylpseudouridine.

The Journal of organic chemistry·2026
Same journal

Silyl Radical Formation from Silanethiols via Sulfur Atom Transfer with Phosphinites.

The Journal of organic chemistry·2026
Same journal

Chiral Benzimidazole Manganese Catalysts for Asymmetric Transfer Hydrogenation of 3-Substituted 2<i>H</i>-1,4-Benzoxazines.

The Journal of organic chemistry·2026
Same journal

Thia-Michael Stapling of Allenamide-Incorporated α-Helical Antimicrobial Peptides.

The Journal of organic chemistry·2026
Same journal

Ru(II)-Catalyzed Hydrodefluorination of Monofluoroalkenes.

The Journal of organic chemistry·2026
See all related articles

Researchers created pyrrogallolarene molecular capsules capable of encapsulating various cations. These supramolecular assemblies demonstrate stability and potential for molecular recognition applications.

Area of Science:

  • Supramolecular Chemistry
  • Organic Chemistry
  • Crystal Engineering

Background:

  • Pyrrogallolarene derivatives are known for their ability to form complex supramolecular structures.
  • Molecular capsules offer potential for host-guest chemistry and molecular recognition.

Purpose of the Study:

  • To synthesize and characterize novel pyrrogallolarene derivatives (Compounds 2).
  • To investigate the self-assembly and host-guest properties of these pyrrogallolarenes in solution and solid states.

Main Methods:

  • Acid-catalyzed condensation of pyrrogallol with aldehydes to synthesize pyrrogallolarenes.
  • Single-crystal X-ray diffraction to determine molecular structures and packing.
  • NMR spectroscopy to study cation encapsulation in solution.

Related Experiment Videos

Main Results:

  • Pyrrogallolarenes 2 form dimeric molecular capsules in the solid state, encapsulating cations like quinuclidinium.
  • Crystal structures reveal capsules stabilized by hydrogen bonds, including bridging solvent molecules.
  • Solution studies demonstrate the encapsulation of various cations (tetramethylammonium, tetramethylphosphonium, quinuclidinium, tropylium) within the dimeric capsules.
  • Encapsulated complexes exhibit stability on the NMR time scale at low temperatures (233 K).

Conclusions:

  • Pyrrogallolarenes 2 effectively form stable hydrogen-bonded dimeric molecular capsules.
  • These capsules demonstrate versatile cation-binding capabilities in both crystalline and solution phases.
  • The findings highlight the potential of pyrrogallolarenes as scaffolds for designing host molecules in supramolecular chemistry.