Asymmetric Construction of Functionalized Bicyclic Imides via [3+2] Annulation of MBH Carbonates Catalyzed by Dipeptide-Based Phosphines

[摘要]：A highly enantioselective [3 + 2] annulation of MBH carbonates and maleimides catalyzed by chiral phosphines has been developed. In the presence of 5 mol % of L-Thr-L-Val-derived phosphine 6, functionalized bicyclic imides were prepared in excellent yields, and with high diastereoselectivities and nearly perfect enantioselectivities.

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