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Switchable molecular tweezers: design and applications.

Pablo Msellem1, Maksym Dekthiarenko1, Nihal Hadj Seyd1

  • 1Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire, 4 place Jussieu, 75005, Paris, France.

Beilstein Journal of Organic Chemistry
|March 5, 2024
PubMed
Summary

Switchable molecular tweezers are adaptable molecular switches with mechanical motion, crucial for artificial molecular machines. This review explores chemically, redox-active, and photochemically responsive tweezers and their applications.

Keywords:
coordinationmolecular recognitionmolecular switchesphotoswitchredoxsupramolecular chemistry

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Area of Science:

  • Supramolecular Chemistry
  • Molecular Machines
  • Chemical Engineering

Background:

  • Molecular tweezers are sophisticated molecular switches capable of conformational changes.
  • These switches are fundamental building blocks for developing artificial molecular machines.
  • Their mechanical motion in response to stimuli offers unique functionalities.

Purpose of the Study:

  • To review selected examples of switchable molecular tweezers.
  • To highlight the potential applications of these molecular systems.
  • To categorize tweezers based on their responsive mechanisms.

Main Methods:

  • Review of chemically responsive tweezers (pH, metal coordination, anion binding).
  • Presentation of redox-active tweezers.
  • Discussion of photochemical tweezers.

Main Results:

  • Switchable molecular tweezers exhibit tunable mechanical motion.
  • Diverse stimuli (chemical, redox, photo) can control tweezer conformation.
  • These tweezers demonstrate significant potential in various applications.

Conclusions:

  • Switchable molecular tweezers are versatile components in molecular machinery.
  • Their responsive nature allows for precise control in molecular systems.
  • Further research into their applications is warranted.