A series of [cp*IrIII(bpy)]2+ (cp*=pentamethylcyclopentadienyl, bpy=2,2'-bipyridine) catalysts with various substituents on the 4,4' positions of the bipyridine ligands were synthesized and characterized by spectroscopy and X-ray crystallography. Their catalytic formic acid disproportionation activities were compared by quantification of methanol produced after reaction under mild conditions. The correlation between the Hammett parameters of the bipyridine substituents and methanol production of the corresponding catalysts will be discussed.

Iridium complexes for the generation of methanol from formic acid

248th National Meeting (2014)

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