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- Title
Lower‐Rim‐Modified Calix[4]arene‐Pyrrolotetrathiafulvalene Molecular Tweezers.
- Authors
Schlüter, Dirk; Korsching, Kai R.; Azov, Vladimir A.
- Abstract
An approach for the lower rim modification of the calix[4]arene‐based molecular tweezes with monopyrrolo‐tetrathiafulvalene (MPTTF) arms attached to the upper rim of calixarenes is described. First, calixarene‐MPTTF conjugates with free hydroxyl on the lower rim are synthesized using the Ullmann reaction, then hydroxyl groups are substituted by propargyl groups, which can be used for further modification by the click reaction. The new calixarene‐TTF derivatives displayed reversible redox processes, as well as demonstrated binding affinity for electron‐deficient molecular guests such as tetracyanoquinodimethane. The described synthetic approach will be used for the modular synthesis of molecular receptors tailored for specific applications.
- Subjects
CALIXARENES; HYDROXYL group; TETRACYANOQUINODIMETHANE; CLICK chemistry; OXIDATION-reduction reaction
- Publication
European Journal of Organic Chemistry, 2021, Vol 2021, Issue 31, p4469
- ISSN
1434-193X
- Publication type
Article
- DOI
10.1002/ejoc.202100676