期刊
ACS CATALYSIS
卷 10, 期 7, 页码 4444-4450出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.9b05413
关键词
C-H activation; domino reaction; cobalt; selectivity; mechanism; computation
资金
- DFG (Gottfried-Wilhelm-Leibniz prize)
- CSC
- DAAD
Distinct selectivity control in Cp*Co-III-catalyzed domino C-H activation/pyridine directing group migration/alkyne annulation has been accomplished through the nucleophilicity of an organometallic cobalt intermediate with a d(6) electron configuration. Detailed mechanistic studies provided compelling evidence for a facile C-H activation along with a favorable migration of the directing group for the Cp*Co-III catalysis, rather than the beta-oxygen elimination observed for a (CO)(3)Mn-I manifold.
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