Catalytic Asymmetric Inverse-Electron Demand 1,3-Dipolar Cycloaddition of Isoquinolinium Methylides with Enecarbamates by a Chiral N,N′‑Dioxide/Ag(I) Complex
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https://figshare.com/articles/dataset/Catalytic_Asymmetric_Inverse_Electron_Demand_1_3_Dipolar_Cycloaddition_of_Isoquinolinium_Methylides_with_Enecarbamates_by_a_Chiral_i_N_N_i_Dioxide_Ag_I_Complex/2070556
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The first catalytic asymmetric inverse-electron demand [3 + 2]-cycloaddition of isoquinolinium methylides with enecarbamates has been realized by using a N,N′-dioxide/Ag(I) complex. The optically active pyrroloisoquinolines and pyrrolophthalazine were obtained in up to 99% yield, >19:1 d.r., and 95% ee. On the basis of fluorescence, ESI-MS analysis, and X-ray structure of the product, a reasonable transition state was proposed.
创建时间：
2016-02-04
