期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 25, 期 71, 页码 16246-16250出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201905023
关键词
annulation; C-H activation; diketopyrrolopyrroles; polyaromatic hydrocarbons; ruthenium
资金
- DFG (Gottfried-Wilhelm-Leibniz award)
- CSC
The widespread applications of substituted diketopyrrolopyrroles (DPPs) call for the development of efficient methods for their modular assembly. Herein, we present a pi-expansion strategy for polyaromatic hydrocarbons (PAHs) by C-H activation in a sustainable fashion. Thus, twofold C-H/N-H activations were accomplished by versatile ruthenium(II)carboxylate catalysis, providing step-economical access to diversely decorated fluorogenic DPPs that was merged with late-stage palladium-catalyzed C-H arylation on the thus-assembled DPP motif.
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