Browsing by Autor "Xinliang Li"

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    New Camphor-Derived Selenonium Ylides: Enantioselective Synthesis of Chiral Epoxides
    (CSIRO Publishing, 2005) Xinliang Li; Yi Wang; Zhi‐Zhen Huang
    Optically pure selenonium salts 3 as the precursors of two new chiral selenonium ylides 4 can be synthesized stereoselectively from natural d-camphor in good yields. It is found that the reaction of the selenonium salt 3b, an aldehyde, and potassium tert-butoxide can take place smoothly in ‘one-pot’ via the formation of selenonium ylide 4b, to give chiral trans-diaryl epoxides 5 in good yields with good diastereoselectivities and enantioselectivities.