Trifluoromethyl acting as stopper in [2]rotaxane

Suvankar Dasgupta, Kuo-Wei Huang, Jishan Wu

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17 Scopus citations

Abstract

A modified dumbbell obtained by replacing one of the phenyl groups of the dibenzylammonium with a strong electron-withdrawing trifluoromethyl group templated the synthesis of the smallest [2]rotaxane reported so far. The trifluoromethyl group not only enhances the templating effect of the dumbbell but also acts as the stopper to prevent dethreading of a [20]crown ether macrocycle. © 2012 The Royal Society of Chemistry.
Original languageEnglish (US)
Pages (from-to)4821
JournalChemical Communications
Volume48
Issue number40
DOIs
StatePublished - Mar 24 2012

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