Chemoselective hydrogenation of imines catalysed by Ir III complexes

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Abstract
A new family of iridium(III) anionic complexes {Li[Ir(P–P)I4]; P–P = 1,2-bis(diphenylphosphino)ethane, cis-1,2-bis(diphenylphosphino)ethylene, and R-(+)-1,2-bis(diphenylphosphino)propane} has been synthesised; they are efficient for catalytic and chemoselective hydrogenation of aldimines and ketimines at 20 °C and 25 bar H2(1 bar = 105 Pa).