Metal-organic frameworks (MOFs) consist of metal ions and organic molecules that are assembled into rigid 3-dimensional networks.  The resulting network structures offer a wide range of potential application including gas storage, chemical sensing, drug delivery, solid-state catalysis, and selective chemical filtering. The vast number of possible ligand-metal combinations gives rise to great variability in MOF synthesis.  We have successfully prepared and characterized a novel organic ligand that may be used to synthesize new MOF materials: di-3-cyanophenyl formamidine (HD-3-cypF).  Reaction of 2 equivalents of 3-amino cyanobenzene results in the formation of di-3-cyanophenyl formamidine (HD-3-cypF) in good yield.  This molecule features diametrically opposed metal binding regions.  The formamidinate binding region is known to support dimetal centers, while the nitrogen donors of the cyano groups are expected to coordinate with additional metal ions thereby forming a 3-dimensional network. We are currently investigating the coordination chemistry of this novel ditopic ligand.  The synthesis and characterization for HD-3-cypF and its associated metal complexes will be presented.

Synthesis and characterization of di-3-cyanophenyl formamidine: A potential new ligand for the formation of polymetallic networks

247th National Meeting (2014)

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