Rhodium-Catalyzed Regio- and Stereoselective Codimerization of Alkenes and Electron-Deficient Internal Alkynes Leading to 1,3-Dienes

Yu Shibata, Masao Hirano and Ken Tanaka*

*Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan, Email: tanaka-kcc.tuat.ac.jp

Y. Shibata, M. Hirano, K. Tanaka, Org. Lett., 2008, 10, 2829-2831.

DOI: 10.1021/ol800995r

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Abstract

A cationic rhodium(I)/H₈−BINAP complex catalyzes a codimerization of alkenes bearing no α-hydrogen and electron-deficient internal alkynes, leading to 1,3-dienes in good yields with good regio- and stereoselectivity.

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Key Words

1,3-Dienes

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ID: J54-Y2008-1860