Effective Chirality Transfer in Ionic Liquids through Ion-Pairing Effects

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Abstract

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Passing it on: Since every reaction at a prochiral ion must take place in close proximity to its counterion, it should be possible to transfer chiral information between the ions of an ionic liquid. Indeed, the hydrogenation of a prochiral, keto-functionalized cation was found to proceed in the presence of (R)-camphorsulfonate in up to 80 % ee (see scheme).

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