Nickel-catalyzed cross-coupling of silyl enol ethers with grignard reagents. Regio- and stereocontrolled synthesis of olefins |
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Authors: | Tamio Hayashi Yoshio Katsuro Makoto Kumada |
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Institution: | Department of Synthetic Chemistry, Kyoto University, Kyoto 606, Japan |
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Abstract: | The substitution of the siloxy group in silyl enol ethers with Grignard reagents to form olefins is accomplished by use of nickel acetylacetonate or phosphine-nickel complexes as catalysts, the stereo- and regiochemistry of coupled olefins depending upon the nature of the catalyst and reaction conditions employed. |
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