As analogues to proposed intermediates in cobalt-catalyzed hydroformylation, the synthesis and isolation of both electronically and coordinatively unsaturated cobalt complexes supported by sterically encumbering m-terphenyl isocyanides will be discussed. Attention will be given to the potent Lewis-acidity of such species towards a variety of weak Lewis-bases. In particular, a critical assessment of the solution-phase persistence of solid-state host-guest interactions to small-molecule substrates will be discussed in the context of geometric isomerism and van der Waals interactions with the m-terphenyl ligand framework.

Synthesis, dynamics, and reactivity of monovalent, trigonal monopyramidal cobalt isocyanides

248th National Meeting (2014)

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