The water-soluble ligand 2-[(dicyclohexlphosphino)ethyl]trimethyl ammonium chloride (DCPET) was reacted with the iridium (I) complexes chloro(1,5-cyclooctadiene)diiridium (I) dimer and <i>trans</i>-carbonylchlorobis(triphenylphosphine) iridium (I). The reactivity of the products of these reaction towards small molecules such as carbon monoxide and molecular hydrogen was studied in order to determine whether DCPET is an appropriate ligand to stabilize a water-soluble iridium catalyst for the synthesis of formaldehyde. Two of the synthesized complexes revealed coordinated carbonyl and hydrido ligands. The ability of these complexes to simultaneously activate carbon monoxide and hydrogen suggests that DCPET may be a suitable ligand for a water-soluble iridium catalyst in the synthesis of formaldehyde from carbon monoxide and molecular hydrogen.

Activation of small molecules by 2-[(dicyclohexylphosphino)ethyl]trimethyl ammonium chloride iridium complexes

253rd National Meeting (2017)

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