Catalysis by alkali and alkaline-earth metal ions in nucleophilic attack of methoxide ion on crown ethers bearing an intra-annular acetoxy group

Roberta Cacciapaglia, Silvia Lucente, Luigi Mandolini, Arie R. van Doorn, David Reinhoudt, Willem Verboom

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Abstract

Rates of reaction of methoxide ion with crown ethers bearing an intra-annular acetoxy group are markedly enhanced by alkali and alkaline-earth metal bromides as a result of much stronger interactions of the metal ions with transition states than with reactants. Rates of reactions of methoxide ion with crown ethers bearing an intra-annular acetoxy group markedly enhanced by alkali and alkaline-earth metal bromides as a result of much stronger interactions of the metal ion with transition state than with reactants.
Original languageEnglish
Pages (from-to)5293-5304
JournalTetrahedron
Volume45
Issue number16
DOIs
Publication statusPublished - 1989

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