Asymmetric Multicomponent Reactions for Efficient Construction of Homopropargyl Amine Carboxylic Esters
Organic Letters(2019)
摘要
Developing an efficient and highly enantioselective protocol to access homopropargyl amines is of high interest to the synthetic community and also remains a formidable challenge for organic chemists. Here, we present integrated Rh2(OAc)4- and BINOL-derived chiral phosphoric acid cooperatively catalyzed three-component reactions of alkynyldiazoacetates, imines with various nucleophiles including alcohols, indoles, and N,N-disubstituted anilines, affording the corresponding homopropargyl amines containing two vicinal chiral centers in satisfactory yields with high to excellent diastereo- and enantioselectivities.
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关键词
homopropargyl amine carboxylic esters,asymmetric multicomponent reactions
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