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Mechanistic studies on the catalytic cycle of rhodium-catalyzed asymmetric 1,4-addition of aryltitanate reagents to α,β-unsaturated ketones

Addition of lithium aryl(tetraisopropoxy)titanates [ArTi(OPr-i)(4)(–)Li(+)] to α,β-unsaturated ketones proceeded with high enantioselectivity (up to 99% ee) in the presence of an excess amount of chlorotrimethylsilane and a rhodium catalyst (3 mol % Rh), generated from [RhCl(C(2)H(4))(2)](2) and (S)...

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書目詳細資料
Main Authors: Tokunaga, Norihito, Yoshida, Kazuhiro, Hayashi, Tamio
格式: Artigo
語言:Inglês
出版: National Academy of Sciences 2004
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在線閱讀:https://ncbi.nlm.nih.gov/pmc/articles/PMC397402/
https://ncbi.nlm.nih.gov/pubmed/14981257
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.0307260101
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