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Asymmetric Inter- and Intramolecular Cyclopropanation Reactions Catalyzed by a Reusable Macroporous-Polymer-Supported Chiral Ruthenium(II)/Phenyloxazoline Complex

Authors

  • Abdel-Moneim Abu-Elfotoh,

    1. Department of Environmental and Life Sciences, Toyohashi University of Technology, 1-1, Tempaku-cho, Toyohashi, Aichi 441-8580 (Japan), Fax: (+81) 532-44-6817
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  • Dr. Kesiny Phomkeona,

    1. Department of Environmental and Life Sciences, Toyohashi University of Technology, 1-1, Tempaku-cho, Toyohashi, Aichi 441-8580 (Japan), Fax: (+81) 532-44-6817
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  • Prof. Kazutaka Shibatomi,

    1. Department of Environmental and Life Sciences, Toyohashi University of Technology, 1-1, Tempaku-cho, Toyohashi, Aichi 441-8580 (Japan), Fax: (+81) 532-44-6817
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  • Prof. Seiji Iwasa

    1. Department of Environmental and Life Sciences, Toyohashi University of Technology, 1-1, Tempaku-cho, Toyohashi, Aichi 441-8580 (Japan), Fax: (+81) 532-44-6817
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  • We thank Prof. S. Itsuno for helpful discussions and Prof. A. Matsuda (Toyohashi University of Technology) for assisting us with the SEM measurements. This study was supported by a Grant-in-Aid for Scientific Research (No. 20550137) from the Japan Socity for the Promotion of Science.

Abstract

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Along came poly: A novel macroporous polymer-supported chiral RuII/pheox catalyst (1, see SEM image) afforded excellent reactivity and enantioselectivity in inter- and intramolecular cyclopropanation reactions with a broad range of substrates. The catalyst showed no leaching and could be reused up to 11 times, even after storage.

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