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Rhenium-Catalyzed Insertion of Terminal Acetylenes into a C-H Bond of Active Methylene Compounds

Yoichiro Kuninobu,* Atsushi Kawata and Kazuhiko Takai*

*Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan, Email: kuninobucc.okayama-u.ac.jp, ktakaicc.okayama-u.ac.jp

Y. Kuninobu, A. Kawata, K. Takai, Org. Lett., 2005, 7, 4823-4825.

DOI: 10.1021/ol0515208 (free Supporting Information)


Abstract

[ReBr(CO)3(thf)]2 catalyzed the reactions of 1,3-dicarbonyl compounds with terminal acetylenes, which gave the corresponding alkenyl derivatives in excellent yields.

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Efficient Catalytic Insertion of Acetylenes into a Carbon-Carbon Single Bond of Nonstrained Cyclic Compounds under Mild Conditions

Y. Kuninobu, A. Kawata, K. Takai, J. Am. Chem. Soc., 2006, 128, 11368-11369.


Key Words

vinylation, active methylenes, cyclopentanes, Conia-Ene reaction


ID: J54-Y2005-1750