Catalytic Asymmetric Mannich Reaction of Glycine Derivatives with N-Tosylimines using Copper(I)/TF-BiphamPhos Complex

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Catalytic Asymmetric Mannich Reaction of Glycine Derivatives with N-Tosylimines using Copper(I)/TF-BiphamPhos Complex

Liang, Gang; Tong, Min-Chao; Tao, Haiyan; Wang, Chun-Jiang

Advanced synthesis & catalysis, October 9, 2010, Volume: 352, Issue: 11-12

Journal Article

The direct asymmetric Mannich reaction of glycine Schiff bases with N‐tosylimines has been developed with the tetrakis(acetonitrile)copper(I) tetrafluoroborate Cu(CH3CN)4BF4/TF‐BiphamPhos complex. This catalytic system performs well over a broad range of substrates, furnishing anti‐adducts of various α,β‐diamino acid esters in good yields with up to 94:6 diastereoselectivity and 97% enantioselectivity.

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Liang, Gang | Tong, Min-Chao | Tao, Haiyan | Wang, Chun-Jiang

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