Rearrangement of an Intermediate Cyclopropyl Ketene in a RhII-Catalyzed Formal [4 + 1]-Cycloaddition Employing Vinyl Ketenes as 1,4-Dipoles and Donor–Acceptor Metallocarbenes
收藏Figshare2017-04-28 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Rearrangement_of_an_Intermediate_Cyclopropyl_Ketene_in_a_Rh_sup_II_sup_-Catalyzed_Formal_4_1_-Cycloaddition_Employing_Vinyl_Ketenes_as_1_4-Dipoles_and_Donor_Acceptor_Metallocarbenes/4949540
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A RhII-catalyzed formal [4 + 1]-cycloaddition approach toward spirooxindole cyclopentenones is described. The diastereoselective cyclopropanation of vinyl ketenes with diazooxindoles as C1 synthons initiated a relatively mild formal [1,3]-migration of an intermediate cyclopropyl ketene to provide spirooxindoles in good to excellent yields (36–99%).
创建时间:
2017-04-28



