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  4. Preparation of Pillar[5]arene-Based [2]Rotaxanes from Acyl Chlorides and Amines
 
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Preparation of Pillar[5]arene-Based [2]Rotaxanes from Acyl Chlorides and Amines

Auteur(s)
Milev, Radian
Editeur(s)
Lopez-Pacheco, Alberto
Nierengarten, Iwona
Trinh, Thi Minh Nguyet
Holler, Michel
Deschenaux, Robert 
Institut de chimie 
Nierengarten, Jean-François
In
European Journal of Organic Chemistry, Wiley, 2015/2015/3/479-485
Mots-clés
  • Supramolecular chemis...

  • Inclusion complexes

  • Rotaxanes

  • Pillar[5]­arenes

  • Amides

Résumé
Pillar[5]arene-based [2]rotaxanes have been prepared from the reactions of diacyl chloride reagents with various amine stoppers. The yields of the [2]rotaxanes are sensitive to the reaction conditions (solvent and stoichiometry) as well as to structural and electronic factors. In particular, the nature of the starting amine reagent has a dramatic influence on the yields of [2]rotaxanes; thus, the reaction outcome is not simply related to the binding constant of the diacyl chloride reagent with the pillar[5]arene. Indeed, the differences in the yields must be related to the different affinities for the various monoacylated intermediates. The yields of the [2]rotaxanes are also influenced by several structural factors such as the chain length of the diacyl chloride reagent and the size of the peripheral substituents of the pillar[5]arene building block. Finally, the preparation of [2]rotaxanes from alkyldiamine reagents and acyl chloride stoppers has also been investigated.
URI
https://libra.unine.ch/handle/123456789/4675
DOI
10.1002/ejoc.201403380
Autre version
http://dx.doi.org/10.1002/ejoc.201403380
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: Milev_R.-Preparation_of_Pillar-20170518130917-ZV.pdf (1.56 MB)
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