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Aromatic C–H Coupling with Hindered Arylboronic Acids by Pd/Fe Dual Catalysts

Kazuya Yamaguchi, Hiroki Kondo, Junichiro Yamaguchi, and Kenichiro Itami

Chem. Sci. 2013, Accepted Manuscript. DOI: 10.1039/C3SC51206A

 

Pd/Fe dual catalysts for C–H coupling

An aerobic oxidative coupling of arenes/alkenes with arylboronic acids (C–H/C–B coupling) using catalytic Pd(II)/sulfoxide–oxazoline (sox) ligand and iron-phthalocyanine (FePc) has been developed. This dual catalyst system enables the synthesis of sterically hindered heterobiaryls and styrene derivatives under air without stoichiometric co-oxidants. Additionally, this chemistry demonstrated toward an enantioselective biaryl coupling through C–H functionalization.

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