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Synthesis of 2,3-Disubstituted Benzofurans by Platinum-Olefin-Catalyzed Carboalkoxylation of o-Alkynylphenyl Acetals

Itaru Nakamura, Yuya Mizushima and Yoshinori Yamamoto*

*Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan, Email: yoshimail.tains.tohoku.ac.jp

I. Nakamura, Y. Mizushima, Y. Yamamoto, J. Am. Chem. Soc., 2005, 127, 15022-15023.

DOI: 10.1021/ja055202f (free Supporting Information)


Abstract

The Pt-catalyzed cyclization of o-alkynylphenyl acetals produces 3-(-alkoxyalkyl)benzofurans in good to high yields. The mechanism is discussed.

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Key Words

Benzofurans


ID: J48-Y2005-2720