Cobalt-Catalyzed C–H Borylation | Zendy

Jennifer V. Obligacion | Zendy; Scott P. Semproni | Zendy; Paul J. Chirik | Zendy

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Cobalt-Catalyzed C–H Borylation

Author(s) -

Jennifer V. Obligacion,

Scott P. Semproni,

Paul J. Chirik

Publication year - 2014

Publication title -

journal of the american chemical society

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja500712z

Subject(s) - chemistry , borylation , cobalt , catalysis , inorganic chemistry , organic chemistry , aryl , alkyl

A family of pincer-ligated cobalt complexes has been synthesized and are active for the catalytic C-H borylation of heterocycles and arenes. The cobalt catalysts operate with high activity and under mild conditions and do not require excess borane reagents. Up to 5000 turnovers for methyl furan-2-carboxylate have been observed at ambient temperature with 0.02 mol % catalyst loadings. A catalytic cycle that relies on a cobalt(I)-(III) redox couple is proposed.

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