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

Milev, Radian ; Lopez-Pacheco, Alberto ; Nierengarten, Iwona ; Trinh, Thi Minh Nguyet ; Holler, Michel ; Deschenaux, Robert ; Nierengarten, Jean-François

In: European Journal of Organic Chemistry, 2015, vol. 2015, no. 3, p. 479-485

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,...