National Changhua University of Education Institutional Repository : Item 987654321/16877
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題名: Fe/Cr- and Co/Cr-Mediated Catalytic Asymmetric 2-Haloallylations of Aldehydes
作者: Michio Kurosu;Lin, Mei-Huey;Yoshito Kishi
貢獻者: 化學系
日期: 2004
上傳時間: 2013-06-06T02:33:24Z
出版者: American Chemical Society
摘要: The first example to couple aldehydes and 3-bromo-2-halopropenes in a catalytic asymmetric manner is reported. The coupling reaction is effected by the use of a chiral sulfonamide−Cr complex (prepared in situ from 1d, CrBr3, Fe(III) or from Co(II), Et3N, and Mn), TMSCl, and 2,6-lutidine. The method reported here is operationally simple and scalable, furnishing 3-halohomoallylic alcohols with a synthetically useful level of enantiomeric excess.
關聯: Journal of American Chemical Society, 126(39): 12248-12249
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