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- W4317493042 abstract "Abstract In recent years, the merging of electrosynthesis with 3d metal catalyzed C−H activation has emerged as a sustainable and powerful technique in organic synthesis. Despite the impressive advantages, the development of an enantioselective version remains elusive and poses a daunting challenge. Herein, we report the first electrooxidative cobalt‐catalyzed enantio‐ and regioselective C−H/N−H annulation with olefins using an undivided cell at room temperature (up to 99 % ee). t Bu‐Salox, a rationally designed Salox ligand bearing a bulky tert‐ butyl group at the ortho ‐position of phenol, was found to be crucial for this asymmetric annulation reaction. A strong cooperative effect between t Bu‐Salox and 3,4,5‐trichloropyridine enabled the highly enantio‐ and regioselective C−H annulation with the more challenging α‐olefins without secondary bond interactions (up to 96 % ee and 97 : 3 rr). Cyclovoltametric studies, and the preparation, characterization, and transformation of cobaltacycle intermediates shed light on the mechanism of this reaction." @default.
- W4317493042 created "2023-01-20" @default.
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- W4317493042 date "2023-02-01" @default.
- W4317493042 modified "2023-10-15" @default.
- W4317493042 title "Enantio‐ and Regioselective Electrooxidative Cobalt‐Catalyzed C−H/N−H Annulation with Alkenes" @default.
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- W4317493042 doi "https://doi.org/10.1002/anie.202218533" @default.
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- W4317493042 hasPublicationYear "2023" @default.
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