- A macrocyclic aromatic pyridone pentamer as a highly efficient organocatalyst for the direct arylations of unactivated arenes.
A macrocyclic aromatic pyridone pentamer as a highly efficient organocatalyst for the direct arylations of unactivated arenes.
Chemical communications (Cambridge, England) (2013-02-14)
Huaiqing Zhao, Jie Shen, Juanjuan Guo, Ruijuan Ye, Huaqiang Zeng
PMID23403921
ABSTRACT
A macrocyclic aromatic pyridone pentamer was shown to catalyze highly efficient transition-metal-free arylations of unactivated aromatic C-H bonds with aryl iodides and bromides in the presence of potassium tert-butoxide.
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