Magic Ring Rotaxanes by Olefin Metathesis

Authors

  • Andreas F. M. Kilbinger Dr.,

    1. Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, Pasadena, CA 91125, USA, Fax: (+1) 626–564–9297
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  • Stuart J. Cantrill Dr.,

    1. Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, Pasadena, CA 91125, USA, Fax: (+1) 626–564–9297
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  • Andrew W. Waltman,

    1. Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, Pasadena, CA 91125, USA, Fax: (+1) 626–564–9297
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  • Michael W. Day Dr.,

    1. Beckman Institute, X-Ray Crystallography Laboratory, California Institute of Technology, Pasadena, CA 91125, USA
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  • Robert H. Grubbs Prof.

    1. Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, Pasadena, CA 91125, USA, Fax: (+1) 626–564–9297
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  • A.F.M.K. thanks the Alexander von Humboldt Foundation for a Feodor–Lynen Research Fellowship. We thank Dr. Mona Shahgholi for performing the mass spectrometric analyses, Dr. Jennifer Love for assisting with initial NMR spectroscopic measurements, and Dr. Steven Goldberg for valuable comments regarding this manuscript.

Abstract

original image

Wie kommt das Kamel durchs Nadelöhr? Oligoethylenglycol-Diene, die ein hantelförmiges sekundäres Ammoniumion umringen, liefern durch Ru-katalysierte Ringschlussmetathese [2]Rotaxane. Werden der vorgebildete olefinische Makrocyclus und die Hantelkomponente zusammen gegeben, findet eine Einfädelung erst in Gegenwart des Metathese-Katalysators statt (siehe Schema).

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