Copper−Homoscorpionate Complexes as Active Catalysts for Atom Transfer Radical Addition to Olefins

Cu(I) complexes containing trispyrazolylborate ligands efficiently catalyze the atom transfer radical addition (ATRA) of polyhalogenated alkanes to various olefins under mild conditions. The catalytic activity is enhanced when bulky and electron donating Tp x ligands are employed. Kinetic data have...

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Bibliographic Details
Published in:Inorganic chemistry 2007-09, Vol.46 (19), p.7725-7730
Main Authors: Muñoz-Molina, José María, Caballero, Ana, Díaz-Requejo, M. Mar, Trofimenko, Swiatoslaw, Belderraín, Tomás R, Pérez, Pedro J
Format: Article
Language:English
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Summary:Cu(I) complexes containing trispyrazolylborate ligands efficiently catalyze the atom transfer radical addition (ATRA) of polyhalogenated alkanes to various olefins under mild conditions. The catalytic activity is enhanced when bulky and electron donating Tp x ligands are employed. Kinetic data have allowed the proposal of a mechanistic interpretation that includes a Cu(II) pentacoordinated species that regulates the catalytic cycle.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic0702872