Issue 43, 2007
From the journal:

Chemical Communications

Cobalt-catalyzed cross-coupling of alkynyl Grignard reagents with alkenyl triflates†

Eiji Shirakawa,*a   Takahiro Sato,a   Yusuke Imazaki,a   Takahiro Kimuraa  and  Tamio Hayashi*a  

* Corresponding authors

a Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Japan
E-mail: shirakawa@kuchem.kyoto-u.ac.jp, thayashi@kuchem.kyoto-u.ac.jp
Fax: +81 75 753 3988

Abstract

Alkenyl triflates in combination with Co(acac)3 as a catalyst were found to be excellent coupling partners of alkynyl Grignard reagents, where no special additives (even a phosphine ligand) but a common solvent, THF, are required to obtain variously substituted enynes.

Graphical abstract: Cobalt-catalyzed cross-coupling of alkynyl Grignard reagents with alkenyl triflates

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Article information

DOI
https://doi.org/10.1039/B711884H
Article type
Communication
Submitted
02 Aug 2007
Accepted
14 Aug 2007
First published
28 Aug 2007

Chem. Commun., 2007, 4513-4515

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Cobalt-catalyzed cross-coupling of alkynyl Grignard reagents with alkenyl triflates

E. Shirakawa, T. Sato, Y. Imazaki, T. Kimura and T. Hayashi, Chem. Commun., 2007, 4513 DOI: 10.1039/B711884H

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