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- W4328125160 abstract "Abstract Herein we report a Pd‐catalyzed asymmetric allenylic alkylation strategy for the direct functionalization of 1H‐indoles by employing P‐chiral BIBOP‐type ligands. The regioselectivity (N1/C3) of this process can be switched efficiently. Using Cs 2 CO 3 at elevated temperatures in MeCN, N1‐alkylated indoles bearing axial chirality with a stereocenter non‐adjacent (β) to the nitrogen are produced in good yields with high enantioselectivity and complete N1‐regioselectivity regardless of the electronic properties and substitution patterns of diverse indoles. Using K 2 CO 3 at room temperature in CH 2 Cl 2 , chiral C3‐alkylated indoles can also be obtained. Notably, we introduce a new class of tri‐substituted allenylic electrophiles that proceeded through different pathways from di‐substituted allenylic electrophiles." @default.
- W4328125160 created "2023-03-22" @default.
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- W4328125160 date "2023-04-13" @default.
- W4328125160 modified "2023-10-17" @default.
- W4328125160 title "Direct Catalytic Asymmetric and Regiodivergent N1‐ and C3‐Allenylic Alkylation of Indoles" @default.
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- W4328125160 doi "https://doi.org/10.1002/ange.202300844" @default.
- W4328125160 hasPublicationYear "2023" @default.
- W4328125160 type Work @default.