Synthesis of Dibenzofurans by Palladium-Catalysed Tandem Denitrification/C-H Activation
Zhenting Du*, Jing Zhou, Changmei Si, Weili Ma
*College of Science, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. of China, Email: duztnwsuaf.edu.cn
Z. Du, J. Zhou, C. Si, W. Ma, Synlett, 2011, 3023-3025.
DOI: 10.1055/s-0031-1289881 (free Supporting Information)
Palladium catalysis enables an intramolecular cyclisation of ortho-diazonium salts of diaryl ethers to give dibenzofurans. The protocol uses 3 mol% palladium acetate as the catalyst in refluxing ethanol in the absence of base.
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