期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 27, 页码 10955-10960出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202002258
关键词
C-H activation; cobalt; electrosynthesis; mechanism; oxidative catalysis
资金
- DFG (Gottfried-Wilhelm-Leibniz award)
The merger of cobalt-catalyzed C-H activation and electrosynthesis provides new avenues for resource-economical molecular syntheses, unfortunately their reaction mechanisms remain poorly understood. Herein, we report the identification and full characterization of electrochemically generated high-valent cobalt(III/IV) complexes as crucial intermediates in electrochemical cobalt-catalyzed C-H oxygenations. Detailed mechanistic studies provided support for an oxidatively-induced reductive elimination via highly-reactive cobalt(IV) intermediates. These key insights set the stage for unprecedented cobaltaelectro two-fold C-H/C-H activation.
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