GaCl3 Promoted one-step α,α-diethynylation and α,α-diethenylation reactions of silyl enol ethers |
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| Authors: | Ryo Amemiya |
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| Institution: | Department of Organic Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Aoba, Sendai 980-8578, Japan |
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| Abstract: | In the presence of GaCl3 and 2,6-di(tert-butyl)-4-methylpyridine, α-monosubstituted silyl enol ethers were α,α-diethynylated with a chlorosilylacetylene in one step. An analogous reaction using a silylacetylene gave α,α-diethenylated ketones. |
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