Enantioselective Synthesis of Substituted δ‑Lactones by Cooperative Oxidative N‑Heterocyclic Carbene and Lewis Acid Catalysis
收藏Figshare2016-02-12 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Enantioselective_Synthesis_of_Substituted_Lactones_by_Cooperative_Oxidative_N_Heterocyclic_Carbene_and_Lewis_Acid_Catalysis/2120932
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Efficient construction of complex cylcopentane- or cyclohexane-fused δ-lactones employing redox activation of enals using a chiral N-heterocyclic carbene and LiCl as cooperative catalysts is described. The organocascade proceeds with excellent diastereo- (>99:1) and enantioselectivity (up to >99% ee) and comprises the formation of three bonds with three contiguous stereocenters.
创建时间：
2016-02-12
