Chemical Communications p. 3883 - 3886 (2018)
Update date:2022-09-26
Topics:
Xiong, Zhichao
Pei, Chengfeng
Xue, Peng
Lv, Hui
Zhang, Xumu
Highly enantioselective transfer hydrogenation of β-keto sulfonamides was developed via dynamic kinetic resolution using a chiral Ru(ii) catalyst with an azeotropic solution of HCO2H/Et3N as a hydrogen donor, affording α-substituted β-hydroxyl sulfonamides in good yields with excellent diastereo- and enantioselectivities. This method is featured with mild conditions, easy operation, and a broad substrate scope, which make it possible to find wide applications in the synthesis of natural products and biologically active compounds containing the α-substituted β-hydroxyl sulfonamide core.
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