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Related Experiment Videos

Resorcinarenes as templates.

Bruce C Gibb1

  • 1Department of Chemistry, University of New Orleans, New Orleans LA 70148, USA. bgibb@uno.edu

Chemistry (Weinheim an Der Bergstrasse, Germany)
|November 13, 2003
PubMed
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Resorcinarenes efficiently template the synthesis of large aromatic crown ethers. This novel three-step method overcomes limitations of metal ion templating for complex macrocycle construction.

Area of Science:

  • Supramolecular Chemistry
  • Organic Synthesis

Background:

  • Metal ions excel at templating small macrocycles with Lewis basic sites.
  • Metal ion templating is less effective for large macrocycles or those lacking Lewis basic sites.

Purpose of the Study:

  • To demonstrate resorcinarenes as effective templates for synthesizing large crown ethers.
  • To develop an adaptable method for constructing challenging macrocycles.

Main Methods:

  • A three-step synthesis involving tethering moieties to a resorcinarene template.
  • Linking the tethered moieties and subsequent cleavage of the template.
  • Formation of a family of aromatic crown ethers.

Main Results:

  • Efficient formation of large aromatic crown ethers using resorcinarene templates.

Related Experiment Videos

  • Successful demonstration of a three-step templating and synthesis strategy.
  • Generation of macrocycles not easily accessible via stepwise synthesis.

    • Conclusions:

    • Resorcinarenes offer a viable alternative to metal ions for templating macrocycle synthesis.
    • This method provides efficient access to large crown ethers and other complex macrocycles.
    • The approach holds promise for constructing macrocycles with unique structural features.