Volume 52, Issue 49 pp. 12975-12979
Communication

An Approach to Benzophosphole Oxides through Silver- or Manganese-Mediated Dehydrogenative Annulation Involving CC and CP Bond Formation

Yuto Unoh

Yuto Unoh

Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) http://www.chem.eng.osaka-u.ac.jp/∼miura-lab/index-Eng.htm

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Dr. Koji Hirano

Dr. Koji Hirano

Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) http://www.chem.eng.osaka-u.ac.jp/∼miura-lab/index-Eng.htm

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Prof. Dr. Tetsuya Satoh

Corresponding Author

Prof. Dr. Tetsuya Satoh

Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) http://www.chem.eng.osaka-u.ac.jp/∼miura-lab/index-Eng.htm

JST, ACT-C, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012 (Japan)

Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) http://www.chem.eng.osaka-u.ac.jp/∼miura-lab/index-Eng.htm===Search for more papers by this author
Prof. Dr. Masahiro Miura

Corresponding Author

Prof. Dr. Masahiro Miura

Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) http://www.chem.eng.osaka-u.ac.jp/∼miura-lab/index-Eng.htm

Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871 (Japan) http://www.chem.eng.osaka-u.ac.jp/∼miura-lab/index-Eng.htm===Search for more papers by this author
First published: 11 October 2013
Citations: 208

This work was partly supported by Grants-in-Aid from MEXT, JSPS, and JST (Japan).

Graphical Abstract

Benzophosphole construction was achieved through the AgI-mediated dehydrogenative annulation of phenylphosphine oxides with internal alkynes in a process involving CC and CP bond formation. A wide range of asymmetrical phenylacetylenes could be employed and the reactions proceeded with perfect regioselectivity. Moreover, the annulation could be conducted even at room temperature when a MnIII promoter was used in place of AgI.

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