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学术论文
Xiao B, Gong TJ, Liu ZJ, Liu JH, Luo DF, Xu J, Liu L.* Synthesis of dibenzofurans via palladium-catalyzed phenol-directed C-H activation/C-O cyclization. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 133,
发布时间:2011-11-16作者:刘磊关键字:

Abstract
A practical, Pd(0)/Pd(II)-catalyzed reaction was developed for phenol-directed C-H activation/C-O cyclization using air as an oxidant. The turnover-limiting step of the process was found to be C-O reductive elimination instead of C-H activation. This reaction can tolerate a variety of functional groups and is complementary to the previous methods for the synthesis of substituted dibenzofurans.




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