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• W2952092981 abstract "A direct catalytic imidation of sulfides to sulfimides with [N-(p-tolylsulfonyl)imino]phenyliodinane (TsNIPh) using a catalytic amount of copper triflate (CuOTf) has been developed. The reaction proceeds with a wide range of sulfides to give the corresponding sulfimides in 50−83% isolated yields. When the reaction is applied to allylic sulfides, the products are the corresponding sulfonamides produced via [2,3] sigmatropic rearrangement of the initially formed allylic sulfimides. In the presence of a chiral bis(oxazoline) as ligand, asymmetric induction occurs to afford the chiral sulfimides (up to 71% ee) and sulfonamides (up to 58% ee). Chloramine T (TsNClNa) can be used in place of TsNIPh for asymmetric sulfimidation, but the ee's are much lower. Some mechanistic observations are described." @default.
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• W2952092981 date "1997-09-01" @default.
• W2952092981 modified "2023-10-18" @default.
• W2952092981 title "Catalytic Asymmetric Sulfimidation" @default.
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• W2952092981 doi "https://doi.org/10.1021/jo970798d" @default.
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