Tertiary Amine-Catalyzed Chemoselective and Asymmetric [3 + 2] Annulation of Morita–Baylis–Hillman Carbonates of Isatins with Propargyl Sulfones
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https://figshare.com/articles/dataset/Tertiary_Amine_Catalyzed_Chemoselective_and_Asymmetric_3_2_Annulation_of_Morita_Baylis_Hillman_Carbonates_of_Isatins_with_Propargyl_Sulfones/2618338
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资源简介：
A chemo- and enantioselective [3 + 2] annulation of Morita–Baylis–Hillman carbonates of isatins with propargyl sulfones was catalyzed by a β-ICD O-MOM ether 1c, affording spirocyclic 2-oxindoles bearing an unusual cyclopentadiene motif in outstanding ee values (up to >99%). More electrophiles, such as N-phenylmaleimide, have been also utilized to deliver complex spirocyclic 2-oxindoles with good results.
创建时间：
2011-09-02
