Efficient Oxidative Alkyne Homocoupling Catalyzed by a Monomeric Dicopper-Substituted Silicotungstate

Authors

  • Keigo Kamata Dr.,

    1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Fax: (+81) 358-417-220
    2. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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  • Syuhei Yamaguchi Dr.,

    1. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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  • Miyuki Kotani,

    1. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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  • Kazuya Yamaguchi Dr.,

    1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Fax: (+81) 358-417-220
    2. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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  • Noritaka Mizuno Prof. Dr.

    1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan, Fax: (+81) 358-417-220
    2. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
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  • This work was supported by the Core Research for Evolutional Science and Technology (CREST) program of the Japan Science and Technology Agency (JST) and a Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Science, Sports and Technology of Japan. We are grateful to Dr. S. Shinachi, Y. Fujita, and T. Katayama (University of Tokyo) for their experimental help.

Abstract

original image

Katalysator mit Kupferkopf: Ein monomeres γ-Keggin-Silicowolframat mit Bis-μ-1,1-azidodikupfer-Einheit katalysiert die selektive oxidative Homokupplung von aromatischen und aliphatischen Alkinen zu den entsprechenden Diinen (siehe Bild).

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