Synthesis and characterization of light-fluorous NHC-ligands and their palladium complexes

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Original languageEnglish
Article number121634
Journal / PublicationJournal of Organometallic Chemistry
Volume932
Online published28 Nov 2020
Publication statusPublished - 15 Jan 2021

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Abstract

Light-fluorous ponytails containing perfluoro-n-propyl, perfluoro-n-butyl and perfluoro-t-butoxy groups were used to synthesize light-fluorous α-olefins, branched dialkyl iodides, alkyl triflates, alkyl imidazoles, and dialkyl imidazolium salts. The latter were used to prepare two light-fluorous N,N’-dialkyl-imidazole-2-ylidene diiodo palladium(II) complexes. The fluorous partition coefficients of the light-fluorous olefins, iodides, and triflates were measured in perfluoro(methylcyclohexane)/toluene biphasic system, which revealed that the shorter and environmentally friendlier perfluoroalkyl chains of the light-fluorous ponytails results in lower fluorous partition coefficients, especially as the number of methylene groups increases.

Research Area(s)

  • Light fluorous alkyl imidazols, Light-fluorous dialkyl imidazolium salts, Light-fluorous dialkyl iodides, Light-fluorous NHC ligands and their palladium complexes, Light-fluorous olefins, Perfluoroalkyl groups

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