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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A macrocyclic aromatic pyridone pentamer as a highly efficient organocatalyst for the direct arylations of unactivated arenes
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Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
E-mail: chmzh@nus.edu.sg ;
Fax: +65-6779-1691 ;
Tel: +65-6516-2683
E-mail: chmzh@nus.edu.sg ;
Fax: +65-6779-1691 ;
Tel: +65-6516-2683
Chem. Commun., 2013,49, 2323-2325
DOI: 10.1039/C3CC00019B
Received 02 Jan 2013, Accepted 01 Feb 2013
First published online 04 Feb 2013
Chemical Communications
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