Monodisperse NiPd alloy nanoparticles decorated on mesoporous graphitic carbon nitride as a catalyst for the highly efficient chemoselective reduction of α,β-unsaturated ketone compounds†
Abstract
Herein, the study reported extraordinary chemoselective reduction with selectivity (>99%) by the catalytic transfer hydrogenation of various α,β-unsaturated ketones with a catalyst of NiPd alloy nanoparticles decorated on mesoporous graphitic carbon nitride (NiPd/mpg-C3N4) under mild conditions in a water/methanol medium. NiPd alloy NPs were synthesized by the reduction of metal salts in oleylamine (OAm) solution with the help of borane-tert-butylamine and then decorated on mpg-C3N4via a liquid phase self-assembly method. The NiPd/mpg-C3N4 nanocatalyst was characterized by TEM, XRD and ICP-MS. The NiPd/mpg-C3N4 nanocatalyst is a highly active catalyst for the chemoselective reduction of α,β-unsaturated ketones and all organic compounds were converted with high yield and 99% selectivity. In addition, the catalyst can be reused five times without an important loss in reaction yield.
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