Transition metal complexes offer great promise in the context of C-H bond functionalization in large part because of the unique selectivity shown in C-H activation. The iridium fragment (tBuPCP)Ir (tBuPCP = {k3-2,6-bis[(di-tert-butylphosphino)methyl]phenyl}) has been found to add the C-H bond of benzene and a range of other monocyclic arenes with surprising selectivity and mechanistic implications. Here we present the results of studies of multi-cyclic aromatic systems (substituted naphthalenes, biphenyls, and others).  This work enhances our understanding of simple C-H activation; in addition, we have found that C-X activation (X = Cl, Br, etc.) and multiple C-H bond activation are also important processes.

Investigation of C-H and C-X bond activation of a variety of aromatic substrates by a pincer-ligated iridium complex

244th National Meeting (2012)

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