Synfacts 2009(7): 0788-0788  
DOI: 10.1055/s-0029-1217266
Metal-Mediated Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Iron(II)-Catalyzed Cross Dehydrogenative Arylation of a Benzylic C-H Bond

Contributor(s): Paul Knochel, Tobias Thaler
Y.-Z. Li, B.-J. Li, X.-Y. Lu, S. Lin, Z.-J. Shi*
Peking University, Beijing and State Key Laboratory of Organometallic Chemistry, Shanghai, P. R. of China
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22. Juni 2009 (online)


An iron(II)-catalyzed cross dehydrogenative coupling of electron-rich arenes with ­diarylmethanes is reported. This reaction involves both a benzylic sp³ C-H and aromatic sp² C-H functionalization. The reaction proceeds regio­selectively if the ortho-position of the anisole or thioanisole is already occupied.