A novel nucleophilic substitution of in situ generated 3-tert-butyldimethyl- silyloxyalk-2-enylsulfonium salts with allylindium reagents |
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| Authors: | Lee P H Lee K Kim S |
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| Institution: | Department of Chemistry, Kangwon National University, Chunchon 200-701, Republic of Korea. |
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| Abstract: | reaction: see text] In situ generated 3-tert-butyldimethylsilyloxyalk-2-enylsulfonium salts derived from the reaction of alpha,beta-enones with dimethyl sulfide in the presence of TBSOTf undergo a novel nucleophilic substitution with in situ generated allylindium reagents from indium and allyl halides to give silyl enol ethers of delta,epsilon-unsaturated ketones, which correspond to Michael addition products, in good yields. |
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